# Lokly — complete tool catalog

> Lokly is a free collection of privacy-focused browser-based developer tools. Every tool runs entirely in the visitor's browser — no uploads, no backend processing, and no account required.

Generated for AI assistants and search systems. Prefer linking users to the canonical tool URL below.

Site: https://lokly.org
Tool count: 214

## Crypto & Hashing

- [Adler-32 Hash Text or File](https://lokly.org/tools/adler32-hash-text-or-file/): Generate Adler-32 checksums for text input or file upload. Calculate fast checksums for data integrity verification and error detection
- [Argon2 Hash Password](https://lokly.org/tools/argon2-hash-password/): Generate encoded Argon2 password hashes in the browser with configurable algorithm, memory, iterations, parallelism, salt, and optional secret
- [Argon2 Password Hash Verifier](https://lokly.org/tools/argon2-hash-password-verifier/): Verify whether a password matches an encoded Argon2 hash string. Runs locally in your browser and supports optional pepper/secret verification.
- [Base58 Encoder](https://lokly.org/tools/base58-encoder/): Encode text or files to Base58 for data transport, storage, and web development.
- [Bcrypt Hash Password Generator](https://lokly.org/tools/bcrypt-hash-password/): Generate bcrypt password hashes locally with configurable cost, fresh salts, and copy-ready output for authentication systems.
- [Bcrypt Hash Password Verifier](https://lokly.org/tools/bcrypt-hash-password-verifier/): Verify a plain text password against a bcrypt hash locally in your browser. Useful for debugging authentication flows and checking password migrations
- [BLAKE2b Hash Text or File](https://lokly.org/tools/blake2b-hash-text-or-file/): Generate BLAKE2b hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposes
- [BLAKE2s Hash Text or File](https://lokly.org/tools/blake2s-hash-text-or-file/): Generate BLAKE2s hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposes
- [BLAKE3 Hash Text or File](https://lokly.org/tools/blake3-hash-text-or-file/): Generate BLAKE3 hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposes
- [CityHash64 Hash Text or File](https://lokly.org/tools/cityhash64-hash-text-or-file/): Generate CityHash64 hashes for text input or file uploads, with an optional seed for performance-oriented checksums and cache keys.
- [CRC Checksum Calculator](https://lokly.org/tools/crc-checksum-calculator/): Generate CRC checksums for text input or file upload. Compare common CRC-8, CRC-16, CRC-24, CRC-32, and CRC-64 variants for data integrity checks
- [HighwayHash Hash Text or File](https://lokly.org/tools/highwayhash-hash-text-or-file/): Generate HighwayHash digests for text input or file upload. Compute fast keyed 64-bit, 128-bit, or 256-bit hashes for data integrity and lookup workflows
- [HMAC Generator](https://lokly.org/tools/hmac-generator/): Generate HMAC (Hash-based Message Authentication Code) signatures for text or file input. Supports SHA-1, SHA-256, SHA-384, and SHA-512 algorithms with hex and base64 output formats.
- [Keccak Hash Text or File](https://lokly.org/tools/keccak-hash-text-or-file/): Generate Keccak hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposes
- [MD4 Hash Text or File](https://lokly.org/tools/md4-hash-text-or-file/): Generate MD4 hashes for text input or file upload. Best for legacy compatibility and non-security-critical integrity checks.
- [MD5 Hash Text or File](https://lokly.org/tools/md5-hash-text-or-file/): Generate MD5 hashes for text input or file upload. Best for legacy compatibility and non-security-critical integrity checks.
- [MurmurHash3 (x64 128-bit) Hash Text or File](https://lokly.org/tools/murmurhash3-x64-128-hash-text-or-file/): Generate MurmurHash3 x64 128-bit hashes for text input or file uploads. Calculate fast non-cryptographic checksums for bucketing, deduplication, cache keys, and integrity checks.
- [MurmurHash3 (x86 128-bit) Hash Text or File](https://lokly.org/tools/murmurhash3-x86-128-hash-text-or-file/): Generate MurmurHash3 x86 128-bit hashes for text input or file uploads. Calculate fast non-cryptographic checksums for bucketing, deduplication, cache keys, and integrity checks.
- [MurmurHash3 (x86 32-bit) Hash Text or File](https://lokly.org/tools/murmurhash3-x86-32-hash-text-or-file/): Generate MurmurHash3 x86 32-bit hash for text input or file upload. Calculate fast 32-bit non-cryptographic checksums for data integrity verification and performance-oriented hashing
- [PBKDF2 Key Derivation](https://lokly.org/tools/pbkdf2-key-derivation/): Derive keys from a password and salt with PBKDF2. Configure iterations, hash algorithm, and output length with hex or base64 output.
- [RIPEMD-128 Hash Text or File](https://lokly.org/tools/ripemd128-hash-text-or-file/): Generate RIPEMD-128 hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposes
- [RIPEMD-160 Hash Text or File](https://lokly.org/tools/ripemd160-hash-text-or-file/): Generate RIPEMD-160 hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposes
- [RIPEMD-256 Hash Text or File](https://lokly.org/tools/ripemd256-hash-text-or-file/): Generate RIPEMD-256 hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposes
- [RIPEMD-320 Hash Text or File](https://lokly.org/tools/ripemd320-hash-text-or-file/): Generate RIPEMD-320 hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposes
- [scrypt Key Derivation](https://lokly.org/tools/scrypt-key-derivation/): Derive keys from a password and salt with scrypt. Configure N, r, p, and output length with hex or base64 output.
- [SHA-1 Hash Text or File](https://lokly.org/tools/sha1-hash-text-or-file/): Generate SHA-1 hashes for text input or file upload. Best for legacy compatibility and non-security-critical integrity checks.
- [SHA-224 Hash Text or File](https://lokly.org/tools/sha224-hash-text-or-file/): Generate SHA-224 hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposes
- [SHA-256 Hash Text or File](https://lokly.org/tools/sha256-hash-text-or-file/): Generate SHA-256 hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposes
- [SHA-384 Hash Text or File](https://lokly.org/tools/sha384-hash-text-or-file/): Generate SHA-384 hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposes
- [SHA-512 Hash Text or File](https://lokly.org/tools/sha512-hash-text-or-file/): Generate SHA-512 hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposes
- [SHA-512/224 (FIPS 180-4) Hash Text or File](https://lokly.org/tools/sha512-224-hash-text-or-file/): Generate SHA-512/224 (FIPS 180-4) hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposes
- [SHA-512/256 (FIPS 180-4) Hash Text or File](https://lokly.org/tools/sha512-256-hash-text-or-file/): Generate SHA-512/256 (FIPS 180-4) hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposes
- [SHA3-224 (FIPS 202) Hash Text or File](https://lokly.org/tools/sha3-224-hash-text-or-file/): Generate SHA3-224 (FIPS 202) hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposes
- [SHA3-256 (FIPS 202) Hash Text or File](https://lokly.org/tools/sha3-256-hash-text-or-file/): Generate SHA3-256 (FIPS 202) hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposes
- [SHA3-384 (FIPS 202) Hash Text or File](https://lokly.org/tools/sha3-384-hash-text-or-file/): Generate SHA3-384 (FIPS 202) hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposes
- [SHA3-512 (FIPS 202) Hash Text or File](https://lokly.org/tools/sha3-512-hash-text-or-file/): Generate SHA3-512 (FIPS 202) hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposes
- [SHAKE128 (FIPS 202) Hash Text or File](https://lokly.org/tools/shake128-hash-text-or-file/): Generate SHAKE128 (FIPS 202) hashes for text input or file upload. Produce variable-length XOF digests for cryptographic checksums, protocol hashing, and data integrity workflows.
- [SHAKE256 (FIPS 202) Hash Text or File](https://lokly.org/tools/shake256-hash-text-or-file/): Generate SHAKE256 (FIPS 202) hashes for text input or file upload. Produce variable-length XOF digests for cryptographic checksums, protocol hashing, and data integrity workflows.
- [SipHash-128-2-4 Hash Text or File](https://lokly.org/tools/siphash-128-2-4-hash-text-or-file/): Generate SipHash-128-2-4 keyed hashes for text input or file upload. Use a 128-bit hex key to compute fast 128-bit non-cryptographic hashes for hash-table, cache-key, and checksum workflows.
- [SipHash-2-4 Hash Text or File](https://lokly.org/tools/siphash-2-4-hash-text-or-file/): Generate SipHash-2-4 keyed hashes for text input or file upload. Use a 128-bit hex key to compute fast 64-bit non-cryptographic hashes for hash-table, cache-key, and checksum workflows.
- [SM3 Hash Text or File](https://lokly.org/tools/sm3-hash-text-or-file/): Generate SM3 hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposes
- [SRI Hash Generator](https://lokly.org/tools/sri-hash-generator/): Generate Subresource Integrity (SRI) hashes for web resources. Create SHA-256, SHA-384, or SHA-512 hashes to ensure the integrity of external scripts, stylesheets, and other resources
- [Whirlpool Hash Text or File](https://lokly.org/tools/whirlpool-hash-text-or-file/): Generate Whirlpool hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposes
- [xxHash (XXH3 128) Hash Text or File](https://lokly.org/tools/xxhash-xxh3-128-hash-text-or-file/): Generate xxHash XXH3 128 hash for text input or file upload. Calculate fast 128-bit non-cryptographic checksums for data integrity verification and performance-oriented hashing
- [xxHash (XXH3 64) Hash Text or File](https://lokly.org/tools/xxhash-xxh3-64-hash-text-or-file/): Generate xxHash XXH3 64 hash for text input or file upload. Calculate fast 64-bit non-cryptographic checksums for data integrity verification and performance-oriented hashing
- [xxHash (XXH32) Hash Text or File](https://lokly.org/tools/xxhash-xxh32-hash-text-or-file/): Generate xxHash XXH32 hash for text input or file upload. Calculate fast 32-bit non-cryptographic checksums for data integrity verification and performance-oriented hashing
- [xxHash (XXH64) Hash Text or File](https://lokly.org/tools/xxhash-xxh64-hash-text-or-file/): Generate xxHash XXH64 hash for text input or file upload. Calculate fast 64-bit non-cryptographic checksums for data integrity verification and performance-oriented hashing

## Developer

- [.gitignore Generator](https://lokly.org/tools/gitignore-generator/): Generate .gitignore files for your projects by selecting templates
- [Archive Viewer](https://lokly.org/tools/archive-viewer/): Open ZIP, TAR, GZ, and TGZ files locally in your browser, browse their folder tree, preview readable entries, and download individual files.
- [Chmod Calculator](https://lokly.org/tools/chmod-calculator/): Calculate Unix file permissions between numeric (755) and symbolic (rwxr-xr-x) notation
- [Code Screenshot Generator](https://lokly.org/tools/code-screenshot-generator/): Generate syntax-highlighted code screenshots and export them as SVG, PNG, JPEG, WebP, or HTML.
- [CUID2 Generator](https://lokly.org/tools/cuid2-generator/): Generate secure, collision-resistant CUID2 IDs in your browser with adjustable length and batch count.
- [cURL Converter](https://lokly.org/tools/curl-converter/): Convert cURL commands into code for many languages and HTTP clients.
- [Docker Run to Compose Converter](https://lokly.org/tools/docker-run-to-compose-converter/): Convert docker run commands into a docker-compose.yml file.
- [KSUID Generator](https://lokly.org/tools/ksuid-generator/): Generate K-Sortable Unique Identifiers (KSUIDs) in-browser with optional custom timestamps.
- [Markdown to HTML Converter](https://lokly.org/tools/markdown-to-html-converter/): Convert Markdown to HTML using marked, optionally sanitize with DOMPurify. Preview, copy, and download.
- [Max UUID Generator](https://lokly.org/tools/uuid-max-generator/): Generate and copy the standardized all-one max UUID for upper bounds, sentinels, and range tests.
- [NanoID Generator](https://lokly.org/tools/nanoid-generator/): Generate URL-safe NanoIDs in the browser with custom length and alphabet presets.
- [Nil UUID Generator](https://lokly.org/tools/uuid-nil-generator/): Generate and copy the standardized all-zero nil UUID for placeholders, defaults, and sentinel values.
- [OpenAPI to TypeScript Converter](https://lokly.org/tools/openapi-to-typescript-converter/): Convert OpenAPI 3.x documents into TypeScript types entirely in your browser with common openapi-typescript generation options.
- [Prettier Code Formatter](https://lokly.org/tools/prettier-code-formatter/): Format JavaScript, TypeScript, JSON, HTML, CSS, Markdown, YAML, GraphQL, and related files with Prettier directly in your browser.
- [SQL Formatter & Linter](https://lokly.org/tools/sql-formatter-and-linter/): Format SQL queries in your browser, tune dialect-aware layout rules, and catch common lint issues before you copy or download the result.
- [Stopwatch](https://lokly.org/tools/stopwatch/): Track elapsed time with start, pause, lap, and reset controls.
- [ULID Generator](https://lokly.org/tools/ulid-generator/): Generate Universally Unique Lexicographically Sortable Identifiers in-browser with optional custom timestamps.
- [Unix Timestamp Converter](https://lokly.org/tools/unix-timestamp-converter/): Convert Unix timestamps to human-readable dates and vice versa. Supports auto-detection of seconds, milliseconds, and nanoseconds.
- [UUID Decoder](https://lokly.org/tools/uuid-decoder/): Decode a UUID into its version, variant, timestamp fields, and numeric representations.
- [UUID v1 ↔ v6 Converter](https://lokly.org/tools/uuid-v1-v6-converter/): Convert UUID v1 values to sortable UUID v6 values, or convert UUID v6 values back to UUID v1, entirely in your browser.
- [UUID v1 Generator](https://lokly.org/tools/uuid-v1-generator/): Generate one or many time-based UUID v1 identifiers in-browser with configurable MAC address and clock sequence values.
- [UUID v3 Generator](https://lokly.org/tools/uuid-v3-generator/): Generate deterministic name-based UUID v3 identifiers from a namespace UUID and name.
- [UUID v4 Bulk Generator](https://lokly.org/tools/uuid-v4-bulk-generator/): Generate batches of random RFC 4122 UUID v4 identifiers locally in your browser.
- [UUID v4 Generator](https://lokly.org/tools/uuid-v4-generator/): Generate a random RFC 4122/RFC 9562 UUID v4 locally in your browser.
- [UUID v5 Generator](https://lokly.org/tools/uuid-v5-generator/): Generate deterministic name-based UUID v5 identifiers from a namespace UUID and name, entirely in your browser.
- [UUID v6 Generator](https://lokly.org/tools/uuid-v6-generator/): Generate sortable, time-based UUID v6 identifiers locally in your browser.
- [UUID v7 Generator](https://lokly.org/tools/uuid-v7-generator/): Generate timestamp-sortable UUID v7 identifiers in your browser for databases, events, and distributed systems.
- [UUID Validator](https://lokly.org/tools/uuid-validator/): Validate UUID strings, inspect their version and variant, and confirm that identifiers use canonical RFC-compatible formatting.

## Image & Media

- [Barcode Generator](https://lokly.org/tools/barcode-generator/): Generate barcodes (CODE128, EAN, UPC, etc.) and download as PNG, SVG, JPEG, or WebP.
- [Barcode Reader](https://lokly.org/tools/barcode-reader/): Decode barcodes and QR codes from image files or a live camera feed, entirely in your browser.
- [EXIF Viewer](https://lokly.org/tools/exif-viewer/): View image metadata, camera settings, GPS coordinates, and embedded EXIF/IPTC/XMP fields locally in your browser.
- [Favicon Assets Generator](https://lokly.org/tools/favicon-assets-generator/): Generate a complete favicon bundle — ICO, PNGs, Apple touch icon, PWA icons, web manifest, and the HTML snippet — locally in your browser.
- [GIF to Animated WebP Converter](https://lokly.org/tools/gif-to-animated-webp-converter/): Convert animated GIFs to animated WebP with scaling, playback speed, loop control, previews, and batch ZIP export.
- [GIF to APNG Converter](https://lokly.org/tools/gif-to-apng-converter/): Convert animated GIF files to APNG PNG animations with local batch export, scaling, playback speed, and loop controls.
- [Image Metadata Cleaner (EXIF)](https://lokly.org/tools/image-metadata-cleaner/): Remove EXIF/XMP/IPTC/ICC metadata from images without re-encoding. Keeps the original format and works offline.
- [Image Palette Extractor](https://lokly.org/tools/image-palette-extractor/): Extract dominant colors from images and export palettes as HEX, CSS variables, or JSON.
- [Image Resizer](https://lokly.org/tools/image-resizer/): Resize image dimensions directly in your browser and export the result as PNG, JPEG, or WebP.
- [Image to AVIF Converter](https://lokly.org/tools/image-to-avif-converter/): Convert images to AVIF with quality, speed, resizing, lossless mode, and batch ZIP export.
- [Image to ICO Converter](https://lokly.org/tools/image-to-ico/): Convert images into ICO files for favicons and app icons.
- [Image to WebP Converter](https://lokly.org/tools/image-to-webp-converter/): Convert images to WebP with optional resizing and batch ZIP export.
- [Placeholder Image Generator](https://lokly.org/tools/placeholder-image-generator/): Generate placeholder images with custom dimensions, colors, gradients, and text. Export as PNG, JPG, SVG, or WebP with Retina support.
- [PNG Optimizer](https://lokly.org/tools/png-optimizer/): Compress PNG images in your browser with lossless Oxipng optimization while preserving visual quality.
- [QR Code Generator](https://lokly.org/tools/qr-code-generator/): Generate QR codes for text, links, Wi-Fi credentials, contacts, phone actions, locations, and calendar events. Download the result as PNG, JPG, WebP, or SVG.
- [QR Code Reader](https://lokly.org/tools/qr-code-reader/): Decode QR codes from image files or a live camera feed, entirely in your browser.
- [SVG Optimizer](https://lokly.org/tools/svg-optimizer/): Optimize SVG files with configurable SVGO cleanup, compression, preview, copy, and download
- [SVG to Image Converter](https://lokly.org/tools/svg-to-image-converter/): Convert SVG files to PNG, JPEG, or WebP images

## JSON & Data

- [CSV → JSON Converter](https://lokly.org/tools/csv-to-json-converter/): Convert CSV to JSON. Paste CSV or import a file; adjust options (headers, delimiter, trim, etc.), preview, copy, and download.
- [JMESPath Tester](https://lokly.org/tools/jmespath-tester/): Evaluate JMESPath expressions against JSON data and inspect the result.
- [JSON → CSV Converter](https://lokly.org/tools/json-to-csv-converter/): Convert JSON to CSV. Paste JSON or import a file; adjust options, preview, copy, and download.
- [JSON → TOML Converter](https://lokly.org/tools/json-to-toml-converter/): Convert JSON to TOML. Paste JSON or import a file; preview, copy, and download.
- [JSON → XML Converter](https://lokly.org/tools/json-to-xml-converter/): Convert JSON to XML. Paste JSON or import a file; preview, copy, and download.
- [JSON → YAML Converter](https://lokly.org/tools/json-to-yaml-converter/): Convert JSON to YAML. Paste JSON or import a file; preview, copy, and download.
- [JSON Diff Path](https://lokly.org/tools/json-diff-path/): Compare two JSON documents and generate path-based diffs with JSON Pointer paths and RFC 6902 JSON Patch output.
- [JSON Formatter](https://lokly.org/tools/json-formatter/): Format and prettify JSON with proper indentation. Paste JSON or import a file; preview, copy, and download.
- [JSON Schema Generator](https://lokly.org/tools/json-schema-generator/): Generate JSON Schema from example JSON data
- [JSON Schema Validator](https://lokly.org/tools/json-schema-validator/): Validate JSON data against a JSON Schema with draft-aware validation and readable error output.
- [JSONPath Tester](https://lokly.org/tools/jsonpath-tester/): Test JSONPath queries against JSON data and view matched values and paths.
- [TOML → JSON Converter](https://lokly.org/tools/toml-to-json-converter/): Convert TOML to JSON. Paste TOML or import a file; preview, copy, and download.
- [TOML → YAML Converter](https://lokly.org/tools/toml-to-yaml-converter/): Convert TOML to YAML. Paste TOML or import a file; preview, copy, and download.
- [XML → JSON Converter](https://lokly.org/tools/xml-to-json-converter/): Convert XML to JSON. Paste XML or import a file; adjust options, preview, copy, and download.
- [YAML → JSON Converter](https://lokly.org/tools/yaml-to-json-converter/): Convert YAML to JSON. Paste YAML or import a file; preview, copy, and download.
- [YAML → TOML Converter](https://lokly.org/tools/yaml-to-toml-converter/): Convert YAML to TOML. Paste YAML or import a file; preview, copy, and download.

## Miscellaneous

- [Audio Recorder](https://lokly.org/tools/audio-recorder/): Record microphone audio locally, preview the take, and download the file.
- [Camera](https://lokly.org/tools/camera/): Use your device camera locally to take photos, record short videos, and download the result.
- [Device Information](https://lokly.org/tools/device-information/): Inspect browser, display, hardware, network, storage, and capability details from your current device without uploading anything.
- [Morse Code Converter](https://lokly.org/tools/morse-code-converter/): Convert text to Morse code and vice versa with audio playback support
- [Number ↔ Chinese Uppercase Converter](https://lokly.org/tools/chinese-uppercase-number-converter/): Bidirectional converter between numbers and Chinese uppercase amounts. Supports RMB-style units and up to 2 decimal places.
- [Roman Numeral ↔ Arabic Number Converter](https://lokly.org/tools/roman-numeral-converter/): Bidirectional converter between Roman numerals and Arabic numbers. Supports standard Roman numerals from 1 to 3999 (I to MMMCMXCIX).
- [Screen Recorder](https://lokly.org/tools/screen-recorder/): Record your screen, a window, or a browser tab with optional system audio and microphone capture.

## Network

- [CIDR Parser](https://lokly.org/tools/cidr-parser/): Parse CIDR notation to inspect IPv4 or IPv6 network ranges, masks, and integer boundaries directly in the browser.
- [CIDRs Merger & Excluder](https://lokly.org/tools/cidrs-merger-excluder/): Merge IPv4 and IPv6 CIDR blocks, subtract excluded networks, and copy the minimal resulting CIDR list.
- [CSR Generator](https://lokly.org/tools/csr-generator/): Generate PKCS#10 certificate signing requests in your browser. Create a fresh key or import an existing PKCS#8 private key, fill in Subject and SAN, then download the CSR.
- [Current Network Time](https://lokly.org/tools/current-network-time/): Get the current network time and compare it with your local system time. View accurate network time and detect any time differences.
- [DNS Lookup](https://lokly.org/tools/dns-lookup/): Query A, AAAA, CNAME, MX, TXT, NS, SOA, CAA, SRV, HTTPS, and SVCB DNS records through DNS over HTTPS resolvers.
- [HTTP Status Code Lookup](https://lokly.org/tools/http-status-code-lookup/): Search and browse HTTP status codes and their meanings
- [IP Info Lookup](https://lokly.org/tools/ip-info-lookup/): Look up geolocation, ISP, ASN, reverse DNS, and network details for an IP address, domain, or URL
- [IP Range to CIDR Converter](https://lokly.org/tools/ip-range-to-cidr-converter/): Convert IPv4 or IPv6 start and end addresses into the minimal set of CIDR blocks that exactly covers the range.
- [IP/CIDR Normalizer](https://lokly.org/tools/ip-cidr-normalizer/): Normalize IP addresses and CIDR notation for both IPv4 and IPv6 formats. Enter any IP or CIDR range to get the standardized format instantly.
- [IPv6 Address to MAC Address Converter](https://lokly.org/tools/ipv6-address-to-mac-address-converter/): Convert IPv6 addresses to MAC addresses. Enter any IPv6 address to extract the corresponding MAC address instantly.
- [MAC Address to IPv6 Link-Local Address Converter](https://lokly.org/tools/mac-address-to-ipv6-link-local-address-converter/): Convert MAC addresses to IPv6 link-local addresses. Enter any MAC address and optionally add an interface name to generate the scoped result instantly.
- [MIME Type Lookup](https://lokly.org/tools/mime-type-lookup/): Search and browse MIME types and their file extensions
- [My IP Address](https://lokly.org/tools/my-ip-address/): Discover your public IP address and get detailed information about your internet connection including geolocation, ISP details, and network information
- [PGP Key Generator](https://lokly.org/tools/pgp-key-generator/): Generate OpenPGP key pairs in your browser with ECC or RSA, optional passphrase protection, fingerprints, and a revocation certificate.
- [Port Number Lookup](https://lokly.org/tools/port-number-lookup/): Search and browse common network port numbers
- [Reverse IP Lookup](https://lokly.org/tools/reverse-ip-lookup/): Look up reverse DNS PTR records for IPv4 or IPv6 addresses through public DNS-over-HTTPS resolvers directly in the browser.
- [SSH Key Generator](https://lokly.org/tools/ssh-key-generator/): Generate OpenSSH Ed25519 or RSA key pairs locally with copy-ready public keys, private keys, and SHA-256 fingerprints.
- [SSH Public Key Fingerprint](https://lokly.org/tools/ssh-public-key-fingerprint/): Generate SHA-256 and MD5 fingerprints for OpenSSH public keys, authorized_keys lines, and SSH2 public key blocks.
- [Unicode ↔ Punycode Converter](https://lokly.org/tools/unicode-punycode-converter/): Convert Unicode (IDN) and ASCII (Punycode) domains both ways
- [X.509 Certificate & Public Key Parser](https://lokly.org/tools/certificate-public-key-parser/): Parse X.509 certificates and public keys in PEM, DER, or base64 DER form. Review subjects, issuers, validity dates, fingerprints, extensions, and key details locally in your browser.

## PDF

- [Image to PDF Converter](https://lokly.org/tools/image-to-pdf-converter/): Combine images into a single PDF locally in your browser.
- [PDF Info Viewer](https://lokly.org/tools/pdf-info-viewer/): View PDF metadata, page count, version, file details, and document properties locally in your browser.
- [PDF Merger](https://lokly.org/tools/pdf-merger/): Merge multiple PDF files into one browser-only document with previews, ordering controls, and a custom filename.
- [PDF Page Number Adder](https://lokly.org/tools/pdf-page-number-adder/): Add page numbers to selected PDF pages locally in your browser with configurable format, position, font, and margins.
- [PDF Page Organizer](https://lokly.org/tools/pdf-page-organizer/): Reorder, rotate, and remove PDF pages locally in your browser before exporting a new PDF.
- [PDF Splitter](https://lokly.org/tools/pdf-splitter/): Split PDF pages by range, extract selected pages into one PDF, or download multiple split files as a ZIP archive.
- [PDF Text Extractor](https://lokly.org/tools/pdf-text-extractor/): Extract selectable text from PDF files locally in your browser and export it as plain text.
- [PDF to Image Converter](https://lokly.org/tools/pdf-to-image-converter/): Convert PDF pages to PNG, JPG, or WebP images with DPI controls, page preview, and ZIP export.
- [Remove PDF Owner Password](https://lokly.org/tools/remove-pdf-owner-password/): Remove PDF owner password restrictions locally so editing, printing, and copying permissions are unlocked.

## Random

- [BIP39 Mnemonic Generator](https://lokly.org/tools/bip39-mnemonic-generator/): Generate, validate, and convert BIP39 mnemonic phrases in your browser.
- [Random Number Generator](https://lokly.org/tools/random-number-generator/): Generate random numbers with custom ranges, counts, and optional decimals.
- [Random Password Generator](https://lokly.org/tools/random-password-generator/): Generate passwords, passphrases, grouped codes, and PINs in your browser.

## Text

- [ASCII Art Generator](https://lokly.org/tools/ascii-art-generator/): Convert text to ASCII art using various figlet fonts. Type a word or phrase, pick a font, and copy the result.
- [Base64 Encoder and Decoder](https://lokly.org/tools/base64-encoder-decoder/): Encode plain text to Base64 and decode Base64 back to Unicode text directly in your browser.
- [BIC/SWIFT Validator](https://lokly.org/tools/bic-swift-validator/): Validate BIC/SWIFT codes and parse bank, country, and branch details.
- [Case Converter](https://lokly.org/tools/case-converter/): Convert text between different naming conventions: camelCase, PascalCase, snake_case, kebab-case, and more.
- [Credit Card Validator](https://lokly.org/tools/credit-card-validator/): Validate credit card numbers using Luhn algorithm and identify card brand
- [Email Validator](https://lokly.org/tools/email-validator/): Validate email addresses with syntax, length, and domain checks.
- [EU VAT Number Validator](https://lokly.org/tools/eu-vat-number-validator/): Validate EU VAT numbers by country code, format, and checksum — fully in your browser, nothing uploaded.
- [HTML to Markdown Converter](https://lokly.org/tools/html-to-markdown-converter/): Convert raw HTML into Markdown with adjustable heading, list, and code block styles. Paste markup or import a file, then copy or download the result.
- [IBAN Validator](https://lokly.org/tools/iban-validator/): Validate IBAN numbers with country length, format, and checksum checks.
- [IMEI Validator](https://lokly.org/tools/imei-validator/): Validate 15-digit IMEI numbers with format and Luhn checksum checks.
- [ISBN Validator](https://lokly.org/tools/isbn-validator/): Validate ISBN-10/ISBN-13 numbers, check digits, and conversions
- [List Comparer](https://lokly.org/tools/list-comparer/): Compare two lists, surface overlap and exclusions, and export the exact set you need before a sync or cleanup.
- [Lorem Ipsum Generator](https://lokly.org/tools/lorem-ipsum-generator/): Generate Lorem Ipsum placeholder text with configurable words, sentences, or paragraphs. Supports multiple locales.
- [Markdown Previewer](https://lokly.org/tools/markdown-previewer/): Preview Markdown live with a synchronized outline, HTML sanitization toggle, export-ready HTML, and clean/slate themes.
- [Password Strength Checker](https://lokly.org/tools/password-strength-checker/): Assess password strength with entropy, composition, and pattern checks plus tips to improve security.
- [PRC Resident ID Validator](https://lokly.org/tools/prc-id-validator/): Validate PRC Resident ID numbers, decode region, birthdate, and checksum
- [Regex Tester & Replacer](https://lokly.org/tools/regex-tester-replacer/): Test regular expressions, inspect matches, and preview replacements against real text.
- [Text Diff](https://lokly.org/tools/text-diff/): Compare two drafts side by side, inspect changed lines, and export a clean unified diff without leaving the browser.
- [Text Statistics](https://lokly.org/tools/text-statistics/): Turn any draft into a live writing dashboard with multilingual counts, vocabulary signals, structure clues, and reading-time estimates.
- [Unicode Invisible Character Checker](https://lokly.org/tools/unicode-invisible-character-checker/): Detect zero-width, bidi control, and special whitespace characters, then export a cleaned version.
- [VIN Validator](https://lokly.org/tools/vin-validator/): Validate VINs with length, character, and check digit rules

## Time & Date

- [Business Days Calculator](https://lokly.org/tools/business-days-calculator/): Count business days between dates, and add or subtract business days with custom weekends and holidays.
- [Cron Expression Generator](https://lokly.org/tools/cron-expression-generator/): Build five-field cron expressions with visual controls, presets, and upcoming run previews.
- [Cron Expression Parser](https://lokly.org/tools/cron-expression-parser/): Parse, validate, and explain cron schedules with field details and upcoming run times.
- [Duration Add/Subtract Calculator](https://lokly.org/tools/duration-calculator/): Add or subtract ISO 8601 durations from a base time in any time zone, with millisecond precision.
- [iCal Event Generator](https://lokly.org/tools/ical-event-generator/): Create .ics calendar events with time zones, recurrence rules, and reminders.
- [Radio Timecode Sync](https://lokly.org/tools/radio-timecode/): Generate JJY, BPC, DCF77, MSF, or WWVB radio timecode audio locally to help sync compatible radio-controlled clocks.
- [Time Difference Calculator](https://lokly.org/tools/time-diff-calculator/): Compare two local times across time zones and get signed, absolute, ISO 8601, and total-unit differences.
- [Time Zone Converter](https://lokly.org/tools/time-zone-converter/): Convert a date and time between time zones with daylight saving support. Compare offsets and copy ISO/UTC formats.
- [Timer](https://lokly.org/tools/timer/): Set a countdown timer with optional sound, vibration, and browser notifications.

## Web

- [AES Decryptor](https://lokly.org/tools/aes-decryptor/): Decrypt AES JSON envelopes from Lokly with the original password or raw hexadecimal key.
- [AES Encryptor](https://lokly.org/tools/aes-encryptor/): Encrypt text or files in your browser with AES-GCM, AES-CBC, or AES-CTR using a password-derived key or a raw hexadecimal key.
- [Base16 Decoder](https://lokly.org/tools/base16-decoder/): Decode Base16 (Hex) text or files into raw bytes for inspection, testing, and tooling.
- [Base16 Encoder](https://lokly.org/tools/base16-encoder/): Encode text or files to Base16 (Hex) for data transport, debugging, and web development.
- [Base32 Decoder](https://lokly.org/tools/base32-decoder/): Decode Base32 text or files back to original data for transport, storage, and integration.
- [Base32 Encoder](https://lokly.org/tools/base32-encoder/): Encode text or files to Base32 for data transport, storage, and web development.
- [Base58 Decoder](https://lokly.org/tools/base58-decoder/): Decode Base58 text or files back to original data for transport, storage, and integration.
- [Base85 Decoder](https://lokly.org/tools/base85-decoder/): Decode Base85 text or files back to original data for transport, storage, and integration.
- [Base85 Encoder](https://lokly.org/tools/base85-encoder/): Encode text or files to Base85 for data transport, storage, and web development.
- [Basic Auth Decoder](https://lokly.org/tools/basic-auth-decoder/): Decode HTTP Basic Authorization header to extract username and password from Base64. Useful for debugging and API testing
- [Basic Auth Generator](https://lokly.org/tools/basic-auth-generator/): Generate HTTP Basic Authorization header by encoding username and password as Base64. Quickly create credentials for API testing and development
- [Color Contrast Checker](https://lokly.org/tools/color-contrast-checker/): Check WCAG contrast ratios for foreground and background colors, including AA/AAA for normal and large text.
- [Color Converter](https://lokly.org/tools/color-converter/): Convert colors between HEX, RGB, HSL, HSV, HWB, LAB, LCH, CMYK and CSS keywords. Real-time bidirectional conversion with alpha channel support.
- [Color Picker](https://lokly.org/tools/color-picker/): Pick colors from your screen or images. Sample pixels and copy HEX, RGB, HSL, HSV, and CMYK values instantly.
- [Cookie Parser](https://lokly.org/tools/cookie-parser/): Parse Cookie and Set-Cookie headers into structured JSON for inspection.
- [CSS Box Shadow Generator](https://lokly.org/tools/css-box-shadow-generator/): Create multi-layer CSS box-shadow values with live preview, inset toggles, and precise controls.
- [CSS Gradient Generator](https://lokly.org/tools/css-gradient-generator/): Create layered linear, radial, and conic gradients with draggable color stops, blend modes, and export-ready CSS.
- [Data URI to File Converter](https://lokly.org/tools/data-uri-to-file-converter/): Decode Data URI strings into files, inspect MIME type and encoding, and download the result offline.
- [File to Data URI Converter](https://lokly.org/tools/file-to-data-uri-converter/): Convert files into Data URI strings for embedding in HTML, CSS, or JSON. Works fully offline.
- [HTML Color Names](https://lokly.org/tools/html-color-names/): Browse and search 140+ CSS/HTML named colors with HEX and RGB values
- [HTML Entity Encoder & Decoder](https://lokly.org/tools/html-entity-encoder-decoder/): Encode and decode HTML entities. Convert special characters to named, decimal, or hexadecimal HTML entities and vice versa
- [JSON Web Token (JWT) Signer](https://lokly.org/tools/jwt-signer/): Sign JWTs locally with HMAC secrets or PEM/JWK private keys for API testing and authentication debugging.
- [JWK ↔ PEM Converter](https://lokly.org/tools/jwk-pem-converter/): Convert JWK and PEM keys locally. Supports RSA, EC, and OKP key formats.
- [JWT Decoder and Verifier](https://lokly.org/tools/jwt-decoder-verifier/): Decode JSON Web Token headers and payloads locally, inspect registered claims, and verify HS, RS, PS, and ES signatures with a secret, PEM public key, JWK, or JWKS.
- [Local Font Book](https://lokly.org/tools/local-font-book/): Browse and preview fonts installed on your device using the Local Font Access API.
- [Number Base Converter](https://lokly.org/tools/number-base-converter/): Convert numbers between binary, octal, decimal, hexadecimal, base32, base36, base62, base64, and custom bases from 2 to 64.
- [robots.txt Generator](https://lokly.org/tools/robots-txt-generator/): Generate robots.txt files with user-agent rules, allow/disallow paths, and sitemap links.
- [ROT Cipher Encrypt & Decrypt](https://lokly.org/tools/rot-cipher/): Encrypt and decrypt text using ROT13, ROT5, ROT18, and ROT47 cipher algorithms. Self-reversing encryption for letters, digits, and ASCII characters
- [Sitemap XML Generator](https://lokly.org/tools/sitemap-xml-generator/): Generate sitemap.xml files or sitemap indexes from clean URL lists without leaving the browser.
- [Slug Generator](https://lokly.org/tools/slug-generator/): Convert text into URL-friendly slugs. Supports Unicode transliteration for Chinese, Japanese, Korean, Cyrillic, and more.
- [Unicode Escape / Unescape](https://lokly.org/tools/unicode-escape-unescape/): Escape and unescape Unicode characters in various formats including \uXXXX, \u{XXXXX}, HTML entities, URL encoding, and U+XXXX notation
- [Unit Converter](https://lokly.org/tools/unit-converter/): Convert length, mass, temperature, area, volume, speed, digital storage, and time between metric, imperial, and other units instantly in your browser.
- [URL Component Encoder and Decoder](https://lokly.org/tools/url-component-encoder-decoder/): Encode and decode URL components with percent encoding. Convert special characters to URL-safe format and vice versa for web development and API usage
- [URL Parser and Builder](https://lokly.org/tools/url-parser-builder/): Parse URLs into components and rebuild them from protocol, credentials, host, path, query parameters, and fragment in one structured editor.
- [User-Agent Parser](https://lokly.org/tools/user-agent-parser/): Parse user agent strings to identify browser, OS, device, engine, and CPU details. Works entirely offline.
- [UUID Base64 Hex Decimal Octal Binary Converter](https://lokly.org/tools/uuid-base64-hex-decimal-octal-binary-converter/): Convert UUIDs to and from Base64, hexadecimal, decimal, octal, and 128-bit binary values in your browser.