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.gitignore GeneratorGenerate .gitignore files for your projects by selecting templatesDeveloperAdler-32 Hash Text or FileGenerate Adler-32 checksums for text input or file upload. Calculate fast checksums for data integrity verification and error detectionCrypto & HashingAES DecryptorDecrypt AES JSON envelopes from Lokly with the original password or raw hexadecimal key.WebAES EncryptorEncrypt text or files in your browser with AES-GCM, AES-CBC, or AES-CTR using a password-derived key or a raw hexadecimal key.WebArchive ViewerOpen ZIP, TAR, GZ, and TGZ files locally in your browser, browse their folder tree, preview readable entries, and download individual files.DeveloperArgon2 Hash PasswordGenerate encoded Argon2 password hashes in the browser with configurable algorithm, memory, iterations, parallelism, salt, and optional secretCrypto & HashingArgon2 Password Hash VerifierVerify whether a password matches an encoded Argon2 hash string. Runs locally in your browser and supports optional pepper/secret verification.Crypto & HashingASCII Art GeneratorConvert text to ASCII art using various figlet fonts. Type a word or phrase, pick a font, and copy the result.TextAudio RecorderRecord microphone audio locally, preview the take, and download the file.MiscellaneousBarcode GeneratorGenerate barcodes (CODE128, EAN, UPC, etc.) and download as PNG, SVG, JPEG, or WebP.Image & MediaBarcode ReaderDecode barcodes and QR codes from image files or a live camera feed, entirely in your browser.Image & MediaBase16 DecoderDecode Base16 (Hex) text or files into raw bytes for inspection, testing, and tooling.WebBase16 EncoderEncode text or files to Base16 (Hex) for data transport, debugging, and web development.WebBase32 DecoderDecode Base32 text or files back to original data for transport, storage, and integration.WebBase32 EncoderEncode text or files to Base32 for data transport, storage, and web development.WebBase58 DecoderDecode Base58 text or files back to original data for transport, storage, and integration.WebBase58 EncoderEncode text or files to Base58 for data transport, storage, and web development.Crypto & HashingBase64 Encoder and DecoderEncode plain text to Base64 and decode Base64 back to Unicode text directly in your browser.TextBase85 DecoderDecode Base85 text or files back to original data for transport, storage, and integration.WebBase85 EncoderEncode text or files to Base85 for data transport, storage, and web development.WebBasic Auth DecoderDecode HTTP Basic Authorization header to extract username and password from Base64. Useful for debugging and API testingWebBasic Auth GeneratorGenerate HTTP Basic Authorization header by encoding username and password as Base64. Quickly create credentials for API testing and developmentWebBcrypt Hash Password GeneratorGenerate bcrypt password hashes locally with configurable cost, fresh salts, and copy-ready output for authentication systems.Crypto & HashingBcrypt Hash Password VerifierVerify a plain text password against a bcrypt hash locally in your browser. Useful for debugging authentication flows and checking password migrationsCrypto & HashingBIC/SWIFT ValidatorValidate BIC/SWIFT codes and parse bank, country, and branch details.TextBIP39 Mnemonic GeneratorGenerate, validate, and convert BIP39 mnemonic phrases in your browser.RandomBLAKE2b Hash Text or FileGenerate BLAKE2b hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposesCrypto & HashingBLAKE2s Hash Text or FileGenerate BLAKE2s hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposesCrypto & HashingBLAKE3 Hash Text or FileGenerate BLAKE3 hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposesCrypto & HashingBusiness Days CalculatorCount business days between dates, and add or subtract business days with custom weekends and holidays.Time & DateCameraUse your device camera locally to take photos, record short videos, and download the result.MiscellaneousCase ConverterConvert text between different naming conventions: camelCase, PascalCase, snake_case, kebab-case, and more.TextChmod CalculatorCalculate Unix file permissions between numeric (755) and symbolic (rwxr-xr-x) notationDeveloperCIDR ParserParse CIDR notation to inspect IPv4 or IPv6 network ranges, masks, and integer boundaries directly in the browser.NetworkCIDRs Merger & ExcluderMerge IPv4 and IPv6 CIDR blocks, subtract excluded networks, and copy the minimal resulting CIDR list.NetworkCityHash64 Hash Text or FileGenerate CityHash64 hashes for text input or file uploads, with an optional seed for performance-oriented checksums and cache keys.Crypto & HashingCode Screenshot GeneratorGenerate syntax-highlighted code screenshots and export them as SVG, PNG, JPEG, WebP, or HTML.DeveloperColor Contrast CheckerCheck WCAG contrast ratios for foreground and background colors, including AA/AAA for normal and large text.WebColor ConverterConvert colors between HEX, RGB, HSL, HSV, HWB, LAB, LCH, CMYK and CSS keywords. Real-time bidirectional conversion with alpha channel support.WebColor PickerPick colors from your screen or images. Sample pixels and copy HEX, RGB, HSL, HSV, and CMYK values instantly.WebCookie ParserParse Cookie and Set-Cookie headers into structured JSON for inspection.WebCRC Checksum CalculatorGenerate 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 checksCrypto & HashingCredit Card ValidatorValidate credit card numbers using Luhn algorithm and identify card brandTextCron Expression GeneratorBuild five-field cron expressions with visual controls, presets, and upcoming run previews.Time & DateCron Expression ParserParse, validate, and explain cron schedules with field details and upcoming run times.Time & DateCSR GeneratorGenerate 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.NetworkCSS Box Shadow GeneratorCreate multi-layer CSS box-shadow values with live preview, inset toggles, and precise controls.WebCSS Gradient GeneratorCreate layered linear, radial, and conic gradients with draggable color stops, blend modes, and export-ready CSS.WebCSV → JSON ConverterConvert CSV to JSON. Paste CSV or import a file; adjust options (headers, delimiter, trim, etc.), preview, copy, and download.JSON & DataCUID2 GeneratorGenerate secure, collision-resistant CUID2 IDs in your browser with adjustable length and batch count.DevelopercURL ConverterConvert cURL commands into code for many languages and HTTP clients.DeveloperCurrent Network TimeGet the current network time and compare it with your local system time. View accurate network time and detect any time differences.NetworkData URI to File ConverterDecode Data URI strings into files, inspect MIME type and encoding, and download the result offline.WebDevice InformationInspect browser, display, hardware, network, storage, and capability details from your current device without uploading anything.MiscellaneousDNS LookupQuery A, AAAA, CNAME, MX, TXT, NS, SOA, CAA, SRV, HTTPS, and SVCB DNS records through DNS over HTTPS resolvers.NetworkDocker Run to Compose ConverterConvert docker run commands into a docker-compose.yml file.DeveloperDuration Add/Subtract CalculatorAdd or subtract ISO 8601 durations from a base time in any time zone, with millisecond precision.Time & DateEmail ValidatorValidate email addresses with syntax, length, and domain checks.TextEU VAT Number ValidatorValidate EU VAT numbers by country code, format, and checksum — fully in your browser, nothing uploaded.TextEXIF ViewerView image metadata, camera settings, GPS coordinates, and embedded EXIF/IPTC/XMP fields locally in your browser.Image & MediaFavicon Assets GeneratorGenerate a complete favicon bundle — ICO, PNGs, Apple touch icon, PWA icons, web manifest, and the HTML snippet — locally in your browser.Image & MediaFile to Data URI ConverterConvert files into Data URI strings for embedding in HTML, CSS, or JSON. Works fully offline.WebGIF to Animated WebP ConverterConvert animated GIFs to animated WebP with scaling, playback speed, loop control, previews, and batch ZIP export.Image & MediaGIF to APNG ConverterConvert animated GIF files to APNG PNG animations with local batch export, scaling, playback speed, and loop controls.Image & MediaHighwayHash Hash Text or FileGenerate HighwayHash digests for text input or file upload. Compute fast keyed 64-bit, 128-bit, or 256-bit hashes for data integrity and lookup workflowsCrypto & HashingHMAC GeneratorGenerate 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.Crypto & HashingHTML Color NamesBrowse and search 140+ CSS/HTML named colors with HEX and RGB valuesWebHTML Entity Encoder & DecoderEncode and decode HTML entities. Convert special characters to named, decimal, or hexadecimal HTML entities and vice versaWebHTML to Markdown ConverterConvert raw HTML into Markdown with adjustable heading, list, and code block styles. Paste markup or import a file, then copy or download the result.TextHTTP Status Code LookupSearch and browse HTTP status codes and their meaningsNetworkIBAN ValidatorValidate IBAN numbers with country length, format, and checksum checks.TextiCal Event GeneratorCreate .ics calendar events with time zones, recurrence rules, and reminders.Time & DateImage Metadata Cleaner (EXIF)Remove EXIF/XMP/IPTC/ICC metadata from images without re-encoding. Keeps the original format and works offline.Image & MediaImage Palette ExtractorExtract dominant colors from images and export palettes as HEX, CSS variables, or JSON.Image & MediaImage ResizerResize image dimensions directly in your browser and export the result as PNG, JPEG, or WebP.Image & MediaImage to AVIF ConverterConvert images to AVIF with quality, speed, resizing, lossless mode, and batch ZIP export.Image & MediaImage to ICO ConverterConvert images into ICO files for favicons and app icons.Image & MediaImage to PDF ConverterCombine images into a single PDF locally in your browser.PDFImage to WebP ConverterConvert images to WebP with optional resizing and batch ZIP export.Image & MediaIMEI ValidatorValidate 15-digit IMEI numbers with format and Luhn checksum checks.TextIP Info LookupLook up geolocation, ISP, ASN, reverse DNS, and network details for an IP address, domain, or URLNetworkIP Range to CIDR ConverterConvert IPv4 or IPv6 start and end addresses into the minimal set of CIDR blocks that exactly covers the range.NetworkIP/CIDR NormalizerNormalize IP addresses and CIDR notation for both IPv4 and IPv6 formats. Enter any IP or CIDR range to get the standardized format instantly.NetworkIPv6 Address to MAC Address ConverterConvert IPv6 addresses to MAC addresses. Enter any IPv6 address to extract the corresponding MAC address instantly.NetworkISBN ValidatorValidate ISBN-10/ISBN-13 numbers, check digits, and conversionsTextJMESPath TesterEvaluate JMESPath expressions against JSON data and inspect the result.JSON & DataJSON → CSV ConverterConvert JSON to CSV. Paste JSON or import a file; adjust options, preview, copy, and download.JSON & DataJSON → TOML ConverterConvert JSON to TOML. Paste JSON or import a file; preview, copy, and download.JSON & DataJSON → XML ConverterConvert JSON to XML. Paste JSON or import a file; preview, copy, and download.JSON & DataJSON → YAML ConverterConvert JSON to YAML. Paste JSON or import a file; preview, copy, and download.JSON & DataJSON Diff PathCompare two JSON documents and generate path-based diffs with JSON Pointer paths and RFC 6902 JSON Patch output.JSON & DataJSON FormatterFormat and prettify JSON with proper indentation. Paste JSON or import a file; preview, copy, and download.JSON & DataJSON Schema GeneratorGenerate JSON Schema from example JSON dataJSON & DataJSON Schema ValidatorValidate JSON data against a JSON Schema with draft-aware validation and readable error output.JSON & DataJSON Web Token (JWT) SignerSign JWTs locally with HMAC secrets or PEM/JWK private keys for API testing and authentication debugging.WebJSONPath TesterTest JSONPath queries against JSON data and view matched values and paths.JSON & DataJWK ↔ PEM ConverterConvert JWK and PEM keys locally. Supports RSA, EC, and OKP key formats.WebJWT Decoder and VerifierDecode 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.WebKeccak Hash Text or FileGenerate Keccak hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposesCrypto & HashingKSUID GeneratorGenerate K-Sortable Unique Identifiers (KSUIDs) in-browser with optional custom timestamps.DeveloperList ComparerCompare two lists, surface overlap and exclusions, and export the exact set you need before a sync or cleanup.TextLocal Font BookBrowse and preview fonts installed on your device using the Local Font Access API.WebLorem Ipsum GeneratorGenerate Lorem Ipsum placeholder text with configurable words, sentences, or paragraphs. Supports multiple locales.TextMAC Address to IPv6 Link-Local Address ConverterConvert MAC addresses to IPv6 link-local addresses. Enter any MAC address and optionally add an interface name to generate the scoped result instantly.NetworkMarkdown PreviewerPreview Markdown live with a synchronized outline, HTML sanitization toggle, export-ready HTML, and clean/slate themes.TextMarkdown to HTML ConverterConvert Markdown to HTML using marked, optionally sanitize with DOMPurify. Preview, copy, and download.DeveloperMax UUID GeneratorGenerate and copy the standardized all-one max UUID for upper bounds, sentinels, and range tests.DeveloperMD4 Hash Text or FileGenerate MD4 hashes for text input or file upload. Best for legacy compatibility and non-security-critical integrity checks.Crypto & HashingMD5 Hash Text or FileGenerate MD5 hashes for text input or file upload. Best for legacy compatibility and non-security-critical integrity checks.Crypto & HashingMIME Type LookupSearch and browse MIME types and their file extensionsNetworkMorse Code ConverterConvert text to Morse code and vice versa with audio playback supportMiscellaneousMurmurHash3 (x64 128-bit) Hash Text or FileGenerate MurmurHash3 x64 128-bit hashes for text input or file uploads. Calculate fast non-cryptographic checksums for bucketing, deduplication, cache keys, and integrity checks.Crypto & HashingMurmurHash3 (x86 128-bit) Hash Text or FileGenerate MurmurHash3 x86 128-bit hashes for text input or file uploads. Calculate fast non-cryptographic checksums for bucketing, deduplication, cache keys, and integrity checks.Crypto & HashingMurmurHash3 (x86 32-bit) Hash Text or FileGenerate 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 hashingCrypto & HashingMy IP AddressDiscover your public IP address and get detailed information about your internet connection including geolocation, ISP details, and network informationNetworkNanoID GeneratorGenerate URL-safe NanoIDs in the browser with custom length and alphabet presets.DeveloperNil UUID GeneratorGenerate and copy the standardized all-zero nil UUID for placeholders, defaults, and sentinel values.DeveloperNumber ↔ Chinese Uppercase ConverterBidirectional converter between numbers and Chinese uppercase amounts. Supports RMB-style units and up to 2 decimal places.MiscellaneousNumber Base ConverterConvert numbers between binary, octal, decimal, hexadecimal, base32, base36, base62, base64, and custom bases from 2 to 64.WebOpenAPI to TypeScript ConverterConvert OpenAPI 3.x documents into TypeScript types entirely in your browser with common openapi-typescript generation options.DeveloperPassword Strength CheckerAssess password strength with entropy, composition, and pattern checks plus tips to improve security.TextPBKDF2 Key DerivationDerive keys from a password and salt with PBKDF2. Configure iterations, hash algorithm, and output length with hex or base64 output.Crypto & HashingPDF Info ViewerView PDF metadata, page count, version, file details, and document properties locally in your browser.PDFPDF MergerMerge multiple PDF files into one browser-only document with previews, ordering controls, and a custom filename.PDFPDF Page Number AdderAdd page numbers to selected PDF pages locally in your browser with configurable format, position, font, and margins.PDFPDF Page OrganizerReorder, rotate, and remove PDF pages locally in your browser before exporting a new PDF.PDFPDF SplitterSplit PDF pages by range, extract selected pages into one PDF, or download multiple split files as a ZIP archive.PDFPDF Text ExtractorExtract selectable text from PDF files locally in your browser and export it as plain text.PDFPDF to Image ConverterConvert PDF pages to PNG, JPG, or WebP images with DPI controls, page preview, and ZIP export.PDFPGP Key GeneratorGenerate OpenPGP key pairs in your browser with ECC or RSA, optional passphrase protection, fingerprints, and a revocation certificate.NetworkPlaceholder Image GeneratorGenerate placeholder images with custom dimensions, colors, gradients, and text. Export as PNG, JPG, SVG, or WebP with Retina support.Image & MediaPNG OptimizerCompress PNG images in your browser with lossless Oxipng optimization while preserving visual quality.Image & MediaPort Number LookupSearch and browse common network port numbersNetworkPRC Resident ID ValidatorValidate PRC Resident ID numbers, decode region, birthdate, and checksumTextPrettier Code FormatterFormat JavaScript, TypeScript, JSON, HTML, CSS, Markdown, YAML, GraphQL, and related files with Prettier directly in your browser.DeveloperQR Code GeneratorGenerate QR codes for text, links, Wi-Fi credentials, contacts, phone actions, locations, and calendar events. Download the result as PNG, JPG, WebP, or SVG.Image & MediaQR Code ReaderDecode QR codes from image files or a live camera feed, entirely in your browser.Image & MediaRadio Timecode SyncGenerate JJY, BPC, DCF77, MSF, or WWVB radio timecode audio locally to help sync compatible radio-controlled clocks.Time & DateRandom Number GeneratorGenerate random numbers with custom ranges, counts, and optional decimals.RandomRandom Password GeneratorGenerate passwords, passphrases, grouped codes, and PINs in your browser.RandomRegex Tester & ReplacerTest regular expressions, inspect matches, and preview replacements against real text.TextRemove PDF Owner PasswordRemove PDF owner password restrictions locally so editing, printing, and copying permissions are unlocked.PDFReverse IP LookupLook up reverse DNS PTR records for IPv4 or IPv6 addresses through public DNS-over-HTTPS resolvers directly in the browser.NetworkRIPEMD-128 Hash Text or FileGenerate RIPEMD-128 hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposesCrypto & HashingRIPEMD-160 Hash Text or FileGenerate RIPEMD-160 hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposesCrypto & HashingRIPEMD-256 Hash Text or FileGenerate RIPEMD-256 hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposesCrypto & HashingRIPEMD-320 Hash Text or FileGenerate RIPEMD-320 hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposesCrypto & Hashingrobots.txt GeneratorGenerate robots.txt files with user-agent rules, allow/disallow paths, and sitemap links.WebRoman Numeral ↔ Arabic Number ConverterBidirectional converter between Roman numerals and Arabic numbers. Supports standard Roman numerals from 1 to 3999 (I to MMMCMXCIX).MiscellaneousROT Cipher Encrypt & DecryptEncrypt and decrypt text using ROT13, ROT5, ROT18, and ROT47 cipher algorithms. Self-reversing encryption for letters, digits, and ASCII charactersWebScreen RecorderRecord your screen, a window, or a browser tab with optional system audio and microphone capture.Miscellaneousscrypt Key DerivationDerive keys from a password and salt with scrypt. Configure N, r, p, and output length with hex or base64 output.Crypto & HashingSHA-1 Hash Text or FileGenerate SHA-1 hashes for text input or file upload. Best for legacy compatibility and non-security-critical integrity checks.Crypto & HashingSHA-224 Hash Text or FileGenerate SHA-224 hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposesCrypto & HashingSHA-256 Hash Text or FileGenerate SHA-256 hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposesCrypto & HashingSHA-384 Hash Text or FileGenerate SHA-384 hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposesCrypto & HashingSHA-512 Hash Text or FileGenerate SHA-512 hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposesCrypto & HashingSHA-512/224 (FIPS 180-4) Hash Text or FileGenerate SHA-512/224 (FIPS 180-4) hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposesCrypto & HashingSHA-512/256 (FIPS 180-4) Hash Text or FileGenerate SHA-512/256 (FIPS 180-4) hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposesCrypto & HashingSHA3-224 (FIPS 202) Hash Text or FileGenerate SHA3-224 (FIPS 202) hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposesCrypto & HashingSHA3-256 (FIPS 202) Hash Text or FileGenerate SHA3-256 (FIPS 202) hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposesCrypto & HashingSHA3-384 (FIPS 202) Hash Text or FileGenerate SHA3-384 (FIPS 202) hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposesCrypto & HashingSHA3-512 (FIPS 202) Hash Text or FileGenerate SHA3-512 (FIPS 202) hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposesCrypto & HashingSHAKE128 (FIPS 202) Hash Text or FileGenerate SHAKE128 (FIPS 202) hashes for text input or file upload. Produce variable-length XOF digests for cryptographic checksums, protocol hashing, and data integrity workflows.Crypto & HashingSHAKE256 (FIPS 202) Hash Text or FileGenerate SHAKE256 (FIPS 202) hashes for text input or file upload. Produce variable-length XOF digests for cryptographic checksums, protocol hashing, and data integrity workflows.Crypto & HashingSipHash-128-2-4 Hash Text or FileGenerate 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.Crypto & HashingSipHash-2-4 Hash Text or FileGenerate 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.Crypto & HashingSitemap XML GeneratorGenerate sitemap.xml files or sitemap indexes from clean URL lists without leaving the browser.WebSlug GeneratorConvert text into URL-friendly slugs. Supports Unicode transliteration for Chinese, Japanese, Korean, Cyrillic, and more.WebSM3 Hash Text or FileGenerate SM3 hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposesCrypto & HashingSQL Formatter & LinterFormat SQL queries in your browser, tune dialect-aware layout rules, and catch common lint issues before you copy or download the result.DeveloperSRI Hash GeneratorGenerate 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 resourcesCrypto & HashingSSH Key GeneratorGenerate OpenSSH Ed25519 or RSA key pairs locally with copy-ready public keys, private keys, and SHA-256 fingerprints.NetworkSSH Public Key FingerprintGenerate SHA-256 and MD5 fingerprints for OpenSSH public keys, authorized_keys lines, and SSH2 public key blocks.NetworkStopwatchTrack elapsed time with start, pause, lap, and reset controls.DeveloperSVG OptimizerOptimize SVG files with configurable SVGO cleanup, compression, preview, copy, and downloadImage & MediaSVG to Image ConverterConvert SVG files to PNG, JPEG, or WebP imagesImage & MediaText DiffCompare two drafts side by side, inspect changed lines, and export a clean unified diff without leaving the browser.TextText StatisticsTurn any draft into a live writing dashboard with multilingual counts, vocabulary signals, structure clues, and reading-time estimates.TextTime Difference CalculatorCompare two local times across time zones and get signed, absolute, ISO 8601, and total-unit differences.Time & DateTime Zone ConverterConvert a date and time between time zones with daylight saving support. Compare offsets and copy ISO/UTC formats.Time & DateTimerSet a countdown timer with optional sound, vibration, and browser notifications.Time & DateTOML → JSON ConverterConvert TOML to JSON. Paste TOML or import a file; preview, copy, and download.JSON & DataTOML → YAML ConverterConvert TOML to YAML. Paste TOML or import a file; preview, copy, and download.JSON & DataULID GeneratorGenerate Universally Unique Lexicographically Sortable Identifiers in-browser with optional custom timestamps.DeveloperUnicode ↔ Punycode ConverterConvert Unicode (IDN) and ASCII (Punycode) domains both waysNetworkUnicode Escape / UnescapeEscape and unescape Unicode characters in various formats including \uXXXX, \u{XXXXX}, HTML entities, URL encoding, and U+XXXX notationWebUnicode Invisible Character CheckerDetect zero-width, bidi control, and special whitespace characters, then export a cleaned version.TextUnit ConverterConvert length, mass, temperature, area, volume, speed, digital storage, and time between metric, imperial, and other units instantly in your browser.WebUnix Timestamp ConverterConvert Unix timestamps to human-readable dates and vice versa. Supports auto-detection of seconds, milliseconds, and nanoseconds.DeveloperURL Component Encoder and DecoderEncode and decode URL components with percent encoding. Convert special characters to URL-safe format and vice versa for web development and API usageWebURL Parser and BuilderParse URLs into components and rebuild them from protocol, credentials, host, path, query parameters, and fragment in one structured editor.WebUser-Agent ParserParse user agent strings to identify browser, OS, device, engine, and CPU details. Works entirely offline.WebUUID Base64 Hex Decimal Octal Binary ConverterConvert UUIDs to and from Base64, hexadecimal, decimal, octal, and 128-bit binary values in your browser.WebUUID DecoderDecode a UUID into its version, variant, timestamp fields, and numeric representations.DeveloperUUID v1 ↔ v6 ConverterConvert UUID v1 values to sortable UUID v6 values, or convert UUID v6 values back to UUID v1, entirely in your browser.DeveloperUUID v1 GeneratorGenerate one or many time-based UUID v1 identifiers in-browser with configurable MAC address and clock sequence values.DeveloperUUID v3 GeneratorGenerate deterministic name-based UUID v3 identifiers from a namespace UUID and name.DeveloperUUID v4 Bulk GeneratorGenerate batches of random RFC 4122 UUID v4 identifiers locally in your browser.DeveloperUUID v4 GeneratorGenerate a random RFC 4122/RFC 9562 UUID v4 locally in your browser.DeveloperUUID v5 GeneratorGenerate deterministic name-based UUID v5 identifiers from a namespace UUID and name, entirely in your browser.DeveloperUUID v6 GeneratorGenerate sortable, time-based UUID v6 identifiers locally in your browser.DeveloperUUID v7 GeneratorGenerate timestamp-sortable UUID v7 identifiers in your browser for databases, events, and distributed systems.DeveloperUUID ValidatorValidate UUID strings, inspect their version and variant, and confirm that identifiers use canonical RFC-compatible formatting.DeveloperVIN ValidatorValidate VINs with length, character, and check digit rulesTextWhirlpool Hash Text or FileGenerate Whirlpool hash for text input or file upload. Calculate secure cryptographic checksums for data integrity verification and security purposesCrypto & HashingX.509 Certificate & Public Key ParserParse 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.NetworkXML → JSON ConverterConvert XML to JSON. Paste XML or import a file; adjust options, preview, copy, and download.JSON & DataxxHash (XXH3 128) Hash Text or FileGenerate xxHash XXH3 128 hash for text input or file upload. Calculate fast 128-bit non-cryptographic checksums for data integrity verification and performance-oriented hashingCrypto & HashingxxHash (XXH3 64) Hash Text or FileGenerate xxHash XXH3 64 hash for text input or file upload. Calculate fast 64-bit non-cryptographic checksums for data integrity verification and performance-oriented hashingCrypto & HashingxxHash (XXH32) Hash Text or FileGenerate xxHash XXH32 hash for text input or file upload. Calculate fast 32-bit non-cryptographic checksums for data integrity verification and performance-oriented hashingCrypto & HashingxxHash (XXH64) Hash Text or FileGenerate xxHash XXH64 hash for text input or file upload. Calculate fast 64-bit non-cryptographic checksums for data integrity verification and performance-oriented hashingCrypto & HashingYAML → JSON ConverterConvert YAML to JSON. Paste YAML or import a file; preview, copy, and download.JSON & DataYAML → TOML ConverterConvert YAML to TOML. Paste YAML or import a file; preview, copy, and download.JSON & Data