MIME Type Lookup
Look up the MIME type for a file extension, or the extensions for a MIME type.
image/webp WebP image
image/webpWebP image
.webp
Content-Type: image/webp
Every type, 307 of them
| Type | Extensions | Description |
|---|---|---|
| application/atom+xml | .atom | Atom feed |
| application/cbor | .cbor | Concise Binary Object Representation |
| application/dash+xml | .mpd | MPEG-DASH manifest |
| application/dicom | .dcm | DICOM medical image |
| application/epub+zip | .epub | EPUB e-book |
| application/fdf | .fdf | Adobe Acrobat form data |
| application/geo+json | .geojson | GeoJSON geospatial data |
| application/geopackage+sqlite3 | .gpkg | OGC GeoPackage |
| application/gml+xml | .gml | Geography Markup Language |
| application/gpx+xml | .gpx | GPS Exchange Format |
| application/graphql | .graphql .gql | GraphQL document · unofficial |
| application/gzip | .gz .tgz | Gzip compressed data |
| application/illustrator | .ai | Adobe Illustrator artwork · unofficial |
| application/java-archive | .jar | Java archive |
| application/java-vm | .class | Java class file |
| application/json | .json | JSON data |
| application/kml+xml | .kml | Keyhole Markup Language |
| application/ld+json | .jsonld | JSON-LD linked data |
| application/manifest+json | .webmanifest | Web app manifest |
| application/mathematica | .nb .ma .mb | Mathematica notebook |
| application/msword | .doc .dot | Microsoft Word document |
| application/mxf | .mxf | Material Exchange Format |
| application/octet-stream | .bin | Arbitrary binary data |
| application/oebps-package+xml | .opf | EPUB package descriptor |
| application/ogg | .ogx | Ogg container |
| application/onenote | .one .onepkg | Microsoft OneNote |
| application/pdf | Portable Document Format | |
| application/pgp-signature | .asc .sig | OpenPGP signature |
| application/pkcs7-mime | .p7m .p7c | CMS envelope or certificate |
| application/pkcs7-signature | .p7s | CMS detached signature |
| application/pkix-cert | .cer | PKIX certificate |
| application/pkix-crl | .crl | Certificate revocation list |
| application/postscript | .eps .ps | PostScript program |
| application/rdf+xml | .rdf | Resource Description Framework |
| application/rss+xml | .rss | RSS feed · unofficial |
| application/rtf | .rtf | Rich Text Format |
| application/smil | .smil .smi | Synchronized Multimedia Integration Language |
| application/sql | .sql | SQL script |
| application/toml | .toml | TOML configuration |
| application/ttml+xml | .ttml .dfxp | Timed Text Markup Language subtitles |
| application/unityweb | .unityweb | Unity web player data |
| application/vnd.adobe.air-application-installer-package+zip | .air | Adobe AIR application |
| application/vnd.amazon.ebook | .azw | Amazon Kindle e-book |
| application/vnd.android.package-archive | .apk | Android app package |
| application/vnd.apache.arrow.file | .arrow | Apache Arrow IPC file |
| application/vnd.apple.installer+xml | .pkg .mpkg | Apple installer package |
| application/vnd.apple.keynote | .key | Apple Keynote presentation |
| application/vnd.apple.mpegurl | .m3u8 | HTTP Live Streaming playlist |
| application/vnd.apple.numbers | .numbers | Apple Numbers spreadsheet |
| application/vnd.apple.pages | .pages | Apple Pages document |
| application/vnd.coffeescript | .coffee | CoffeeScript source |
| application/vnd.comicbook-rar | .cbr | Comic book archive, RAR |
| application/vnd.comicbook+zip | .cbz | Comic book archive, ZIP |
| application/vnd.corel-draw | .cdr | CorelDRAW drawing |
| application/vnd.cups-ppd | .ppd | PostScript printer description |
| application/vnd.debian.binary-package | .deb | Debian package |
| application/vnd.framemaker | .fm | Adobe FrameMaker document |
| application/vnd.garmin.tcx+xml | .tcx | Garmin Training Center XML |
| application/vnd.google-earth.kml+xml | .kml | Keyhole Markup Language, Google variant |
| application/vnd.google-earth.kmz | .kmz | Keyhole Markup Language, zipped |
| application/vnd.iccprofile | .icc .icm | ICC color profile |
| application/vnd.lotus-wordpro | .lwp | Lotus Word Pro document |
| application/vnd.maxmind.maxmind-db | .mmdb | MaxMind GeoIP database |
| application/vnd.ms-cab-compressed | .cab | Microsoft cabinet archive |
| application/vnd.ms-excel | .xls .xla .xlt | Microsoft Excel spreadsheet, legacy |
| application/vnd.ms-excel.sheet.binary.macroenabled.12 | .xlsb | Microsoft Excel binary workbook |
| application/vnd.ms-excel.sheet.macroenabled.12 | .xlsm | Microsoft Excel workbook with macros |
| application/vnd.ms-fontobject | .eot | Embedded OpenType font |
| application/vnd.ms-htmlhelp | .chm | Compiled HTML Help |
| application/vnd.ms-officetheme | .thmx | Microsoft Office theme |
| application/vnd.ms-outlook | .msg | Microsoft Outlook message |
| application/vnd.ms-powerpoint | .ppt .pot .pps | Microsoft PowerPoint presentation, legacy |
| application/vnd.ms-powerpoint.presentation.macroenabled.12 | .pptm | Microsoft PowerPoint presentation with macros |
| application/vnd.ms-project | .mpp | Microsoft Project plan |
| application/vnd.ms-visio.drawing+xml | .vsdx | Microsoft Visio drawing |
| application/vnd.ms-word.document.macroenabled.12 | .docm | Microsoft Word document with macros |
| application/vnd.ms-works | .wps .wks | Microsoft Works document |
| application/vnd.ms-xpsdocument | .xps .oxps | Open XML Paper Specification |
| application/vnd.oasis.opendocument.database | .odb | OpenDocument database |
| application/vnd.oasis.opendocument.formula | .odf | OpenDocument formula |
| application/vnd.oasis.opendocument.graphics | .odg | OpenDocument drawing |
| application/vnd.oasis.opendocument.presentation | .odp | OpenDocument presentation |
| application/vnd.oasis.opendocument.spreadsheet | .ods | OpenDocument spreadsheet |
| application/vnd.oasis.opendocument.spreadsheet-template | .ots | OpenDocument spreadsheet template |
| application/vnd.oasis.opendocument.text | .odt | OpenDocument text document |
| application/vnd.oasis.opendocument.text-template | .ott | OpenDocument text template |
| application/vnd.openofficeorg.extension | .oxt | OpenOffice.org extension |
| application/vnd.openxmlformats-officedocument.presentationml.presentation | .pptx | Microsoft PowerPoint presentation, Open XML |
| application/vnd.openxmlformats-officedocument.presentationml.slideshow | .ppsx | Microsoft PowerPoint slideshow, Open XML |
| application/vnd.openxmlformats-officedocument.presentationml.template | .potx | Microsoft PowerPoint template, Open XML |
| application/vnd.openxmlformats-officedocument.spreadsheetml.sheet | .xlsx | Microsoft Excel workbook, Open XML |
| application/vnd.openxmlformats-officedocument.spreadsheetml.template | .xltx | Microsoft Excel template, Open XML |
| application/vnd.openxmlformats-officedocument.wordprocessingml.document | .docx | Microsoft Word document, Open XML |
| application/vnd.openxmlformats-officedocument.wordprocessingml.template | .dotx | Microsoft Word template, Open XML |
| application/vnd.quark.quarkxpress | .qxd | QuarkXPress document |
| application/vnd.rar | .rar | RAR archive, registered name |
| application/vnd.recordare.musicxml | .mxl | MusicXML score, zipped |
| application/vnd.recordare.musicxml+xml | .musicxml | MusicXML score |
| application/vnd.sun.xml.calc | .sxc | OpenOffice.org 1.0 spreadsheet |
| application/vnd.sun.xml.writer | .sxw | OpenOffice.org 1.0 text document |
| application/vnd.tcpdump.pcap | .pcap .cap | Packet capture |
| application/vnd.visio | .vsd | Microsoft Visio drawing, legacy |
| application/vnd.wordperfect | .wpd | WordPerfect document |
| application/wasm | .wasm | WebAssembly binary |
| application/widget | .wgt | W3C widget package |
| application/wsdl+xml | .wsdl | Web Services Description Language |
| application/x-3ds | .3ds | Autodesk 3D Studio mesh · unofficial |
| application/x-7z-compressed | .7z | 7-Zip archive · unofficial |
| application/x-abiword | .abw | AbiWord document · unofficial |
| application/x-apple-diskimage | .dmg | Apple disk image · unofficial |
| application/x-bat | .bat | Windows batch file · unofficial |
| application/x-bibtex | .bib | BibTeX bibliography · unofficial |
| application/x-bittorrent | .torrent | BitTorrent metadata · unofficial |
| application/x-blender | .blend | Blender scene · unofficial |
| application/x-bzip | .bz | Bzip compressed data · unofficial |
| application/x-bzip2 | .bz2 | Bzip2 compressed data · unofficial |
| application/x-chess-pgn | .pgn | Portable Game Notation · unofficial |
| application/x-chrome-extension | .crx | Chrome extension · unofficial |
| application/x-cpio | .cpio | Cpio archive · unofficial |
| application/x-cue | .cue | Disk image descriptor sheet · unofficial |
| application/x-dvi | .dvi | TeX device-independent output · unofficial |
| application/x-esri-shape | .shp | ESRI shapefile geometry · unofficial |
| application/x-fictionbook+xml | .fb2 | FictionBook e-book · unofficial |
| application/x-font-type1 | .pfb .pfa .pfm | PostScript Type 1 font · unofficial |
| application/x-gnumeric | .gnumeric | Gnumeric spreadsheet · unofficial |
| application/x-hdf | .hdf .h5 | Hierarchical Data Format 5 · unofficial |
| application/x-httpd-php | .php .phtml | PHP script · unofficial |
| application/x-indesign | .indd | Adobe InDesign document · unofficial |
| application/x-ipynb+json | .ipynb | Jupyter notebook · unofficial |
| application/x-iso9660-image | .iso | ISO 9660 disk image · unofficial |
| application/x-keepass2 | .kdbx | KeePass 2 database · unofficial |
| application/x-lz4 | .lz4 | LZ4 compressed data · unofficial |
| application/x-lzh-compressed | .lzh .lha | LHA archive · unofficial |
| application/x-lzip | .lz | Lzip compressed data · unofficial |
| application/x-lzma | .lzma | LZMA compressed data · unofficial |
| application/x-mach-binary | .dylib | Mach-O binary · unofficial |
| application/x-mimearchive | .mhtml .mht | MHTML web page archive · unofficial |
| application/x-mobipocket-ebook | .mobi .prc | Mobipocket e-book · unofficial |
| application/x-ms-reader | .lit | Microsoft Reader e-book · unofficial |
| application/x-ms-shortcut | .lnk | Windows shortcut · unofficial |
| application/x-msaccess | .mdb .accdb | Microsoft Access database · unofficial |
| application/x-msdownload | .exe .dll .msi | Windows executable or library · unofficial |
| application/x-mswrite | .wri | Windows Write document · unofficial |
| application/x-ndjson | .ndjson .jsonl | Newline-delimited JSON · unofficial |
| application/x-netcdf | .nc .cdf | netCDF data · unofficial |
| application/x-ns-proxy-autoconfig | .pac | Proxy auto-config script · unofficial |
| application/x-nzb | .nzb | NZB newsgroup download list · unofficial |
| application/x-parquet | .parquet | Apache Parquet columnar data · unofficial |
| application/x-pem-file | .pem .key | PEM certificate or key · unofficial |
| application/x-pkcs12 | .p12 .pfx | PKCS #12 key store · unofficial |
| application/x-rar-compressed | .rar | RAR archive, unofficial name · unofficial |
| application/x-redhat-package-manager | .rpm | RPM package · unofficial |
| application/x-research-info-systems | .ris | RIS bibliographic citation · unofficial |
| application/x-sharedlib | .so | Unix shared library · unofficial |
| application/x-shockwave-flash | .swf | Adobe Flash movie · unofficial |
| application/x-spss-por | .por | SPSS portable data · unofficial |
| application/x-spss-sav | .sav | SPSS data file · unofficial |
| application/x-sqlite3 | .sqlite .sqlite3 .db3 | SQLite database · unofficial |
| application/x-stuffit | .sit | StuffIt archive · unofficial |
| application/x-tar | .tar | Tar archive · unofficial |
| application/x-tex | .tex | TeX source |
| application/x-vhd | .vhd .vhdx | Hyper-V virtual disk · unofficial |
| application/x-www-form-urlencoded | — | HTML form query encoding |
| application/x-x509-ca-cert | .crt .der | X.509 certificate · unofficial |
| application/x-xpinstall | .xpi | Firefox add-on · unofficial |
| application/x-xz | .xz | XZ compressed data · unofficial |
| application/xaml+xml | .xaml | Extensible Application Markup Language |
| application/xhtml+xml | .xhtml .xht | XHTML document |
| application/xliff+xml | .xliff | XML Localization Interchange File Format |
| application/xml | .xml | Extensible Markup Language |
| application/xml-dtd | .dtd | XML document type definition |
| application/xquery | .xq | XQuery source |
| application/xslt+xml | .xsl .xslt | Extensible Stylesheet Language Transformations |
| application/xspf+xml | .xspf | Shareable Playlist Format |
| application/yaml | .yaml .yml | YAML document |
| application/zip | .zip | ZIP archive |
| application/zstd | .zst | Zstandard compressed data |
| audio/aac | .aac | AAC audio |
| audio/aiff | .aif .aiff .aifc | Audio Interchange File Format |
| audio/amr | .amr | Adaptive Multi-Rate audio |
| audio/basic | .au .snd | μ-law audio |
| audio/flac | .flac | FLAC audio |
| audio/midi | .mid .midi .rmi | MIDI music |
| audio/mp4 | .m4a .mp4a | MPEG-4 audio |
| audio/mpeg | .mp3 .mpga | MP3 audio |
| audio/ogg | .oga .ogg .spx | Ogg audio |
| audio/opus | .opus | Opus audio |
| audio/vnd.dts | .dts | DTS audio |
| audio/vnd.rn-realaudio | .ra .ram | RealAudio |
| audio/wav | .wav | WAV audio |
| audio/webm | .weba | WebM audio · unofficial |
| audio/x-caf | .caf | Apple Core Audio file · unofficial |
| audio/x-dsf | .dsf | DSD stream file · unofficial |
| audio/x-it | .it | Impulse Tracker module · unofficial |
| audio/x-matroska | .mka | Matroska audio · unofficial |
| audio/x-mod | .mod | ProTracker module · unofficial |
| audio/x-mpegurl | .m3u | M3U playlist · unofficial |
| audio/x-ms-wma | .wma | Windows Media audio · unofficial |
| audio/x-s3m | .s3m | Scream Tracker 3 module · unofficial |
| audio/x-scpls | .pls | PLS playlist · unofficial |
| audio/x-wavpack | .wv | WavPack audio · unofficial |
| audio/x-xm | .xm | FastTracker II module · unofficial |
| font/collection | .ttc | TrueType font collection |
| font/otf | .otf | OpenType font |
| font/ttf | .ttf | TrueType font |
| font/woff | .woff | Web Open Font Format |
| font/woff2 | .woff2 | Web Open Font Format 2 |
| image/apng | .apng | Animated PNG · unofficial |
| image/avif | .avif .avifs | AV1 Image File Format |
| image/bmp | .bmp | Windows bitmap image |
| image/gif | .gif | GIF image |
| image/heic | .heic | HEIF image, HEVC coded |
| image/heif | .heif | High Efficiency Image File Format |
| image/jp2 | .jp2 | JPEG 2000 image |
| image/jpeg | .jpg .jpeg .jpe .jfif | JPEG image |
| image/jxl | .jxl | JPEG XL image · unofficial |
| image/png | .png | PNG image |
| image/svg+xml | .svg | Scalable Vector Graphics |
| image/tiff | .tif .tiff | TIFF image |
| image/vnd.adobe.photoshop | .psd | Adobe Photoshop document |
| image/vnd.dwg | .dwg | AutoCAD drawing |
| image/vnd.dxf | .dxf | AutoCAD interchange format |
| image/vnd.microsoft.icon | .ico | Icon or cursor image (registered name) |
| image/vnd.wap.wbmp | .wbmp | Wireless bitmap image |
| image/webp | .webp | WebP image |
| image/x-adobe-dng | .dng | Adobe Digital Negative raw image · unofficial |
| image/x-canon-cr2 | .cr2 | Canon raw image · unofficial |
| image/x-emf | .emf | Windows Enhanced Metafile · unofficial |
| image/x-exr | .exr | OpenEXR image · unofficial |
| image/x-icon | .ico .cur | Icon or cursor image (unofficial name) · unofficial |
| image/x-nikon-nef | .nef | Nikon raw image · unofficial |
| image/x-pcx | .pcx | PCX bitmap image · unofficial |
| image/x-portable-anymap | .pnm | Portable anymap · unofficial |
| image/x-portable-bitmap | .pbm | Portable bitmap · unofficial |
| image/x-portable-graymap | .pgm | Portable graymap · unofficial |
| image/x-portable-pixmap | .ppm | Portable pixmap · unofficial |
| image/x-sony-arw | .arw | Sony raw image · unofficial |
| image/x-tga | .tga | Truevision TGA image · unofficial |
| image/x-wmf | .wmf | Windows Metafile · unofficial |
| image/x-xcf | .xcf | GIMP image · unofficial |
| message/rfc822 | .eml | Email message |
| model/gltf-binary | .glb | glTF 3D model, binary |
| model/gltf+json | .gltf | glTF 3D model |
| model/mesh | .msh .mesh | Finite-element mesh |
| model/obj | .obj | Wavefront OBJ geometry |
| model/stl | .stl | STL 3D print |
| model/vnd.collada+xml | .dae | COLLADA 3D model |
| model/vnd.usdz+zip | .usdz | Apple USDZ 3D scene |
| multipart/byteranges | — | HTTP partial content ranges |
| multipart/form-data | — | HTML form upload encoding |
| text/calendar | .ics .ifb | iCalendar event or free/busy list |
| text/css | .css | Cascading Style Sheets |
| text/csv | .csv | Comma-separated values |
| text/event-stream | — | Server-sent events stream |
| text/html | .html .htm | HTML document |
| text/javascript | .js .mjs | JavaScript (ECMAScript) |
| text/markdown | .md .markdown | Markdown document |
| text/n3 | .n3 | RDF in Notation 3 |
| text/plain | .txt .text .log | Plain text |
| text/tab-separated-values | .tsv | Tab-separated values |
| text/troff | .man .t .tr .roff | Troff or man page source |
| text/turtle | .ttl | RDF in Turtle syntax |
| text/typescript | .ts | TypeScript source code · unofficial |
| text/vcard | .vcf .vcard | vCard contact |
| text/vtt | .vtt | WebVTT subtitles or captions |
| text/x-asciidoc | .adoc .asciidoc | AsciiDoc document · unofficial |
| text/x-c | .c .h | C source code · unofficial |
| text/x-c++ | .cpp .cc .cxx .hpp .hh | C++ source code · unofficial |
| text/x-csharp | .cs | C# source code · unofficial |
| text/x-diff | .diff .patch | Unified diff · unofficial |
| text/x-go | .go | Go source code · unofficial |
| text/x-groovy | .groovy | Groovy source code · unofficial |
| text/x-haskell | .hs | Haskell source code · unofficial |
| text/x-java-source | .java | Java source code |
| text/x-kotlin | .kt .kts | Kotlin source code · unofficial |
| text/x-less | .less | Less style sheet · unofficial |
| text/x-lua | .lua | Lua source code · unofficial |
| text/x-opml | .opml | Outline Processor Markup · unofficial |
| text/x-perl | .pl .pm | Perl source code · unofficial |
| text/x-protobuf | .proto | Protocol Buffers schema · unofficial |
| text/x-python | .py .pyw | Python source code · unofficial |
| text/x-rst | .rst | reStructuredText · unofficial |
| text/x-ruby | .rb | Ruby source code · unofficial |
| text/x-rust | .rs | Rust source code · unofficial |
| text/x-sass | .scss .sass | Sass style sheet · unofficial |
| text/x-scala | .scala | Scala source code · unofficial |
| text/x-swift | .swift | Swift source code · unofficial |
| video/3gpp | .3gp .3gpp | 3GPP video |
| video/3gpp2 | .3g2 | 3GPP2 video |
| video/h264 | .h264 | H.264 elementary stream |
| video/hevc | .hevc .h265 | H.265/HEVC elementary stream |
| video/mp2t | .ts .m2t .mts | MPEG transport stream |
| video/mp4 | .mp4 .m4v | MPEG-4 video |
| video/mpeg | .mpeg .mpg .mpe .m1v .m2v | MPEG-1 or MPEG-2 video |
| video/ogg | .ogv | Ogg video |
| video/quicktime | .mov .qt | QuickTime movie |
| video/vnd.rn-realvideo | .rv | RealVideo |
| video/webm | .webm | WebM video · unofficial |
| video/x-dv | .dv | Digital video · unofficial |
| video/x-f4v | .f4v | Flash video, H.264 · unofficial |
| video/x-flv | .flv | Flash video · unofficial |
| video/x-m2ts | .m2ts | Blu-ray MPEG-2 transport stream · unofficial |
| video/x-matroska | .mkv .mk3d | Matroska video · unofficial |
| video/x-mng | .mng | Multiple-image Network Graphics, animated · unofficial |
| video/x-ms-asf | .asf .asx | Advanced Streaming Format · unofficial |
| video/x-ms-wmv | .wmv | Windows Media video · unofficial |
| video/x-msvideo | .avi | AVI video · unofficial |
Types marked unofficial are common but not in the IANA registry. Text types are served as Content-Type: type/subtype; charset=utf-8; everything else has no charset.
More in the yard
- ASCII TableEvery ASCII character with its decimal, hex, octal, binary and HTML code, and a lookup for any character.
- Base64 Encoder & DecoderEncode text to Base64 and decode it back, in the standard or URL-safe alphabet, without your text leaving the page.
- Bit FlipFlip bits until the board makes the target number: twelve levels from place values to hex, masks and shifts.
- Box Shadow GeneratorDesign CSS box shadows layer by layer, preview them, and copy the value with a matching Tailwind class.
- Case ConverterConvert text between camelCase, PascalCase, snake_case, kebab-case, Title Case and more, and make a URL slug.
- chmod CalculatorConvert Unix permissions between octal and symbolic notation, special bits included.
- CIDR & Subnet CalculatorWork out what an IPv4 or IPv6 block covers, split it into subnets, and check whether an address is inside it.
- Code TypingA typing test with real code instead of prose: ten snippets in ten languages, brackets, quotes and all.
- Color Converter & Contrast CheckerConvert a colour between HEX, RGB, HSL and OKLCH, and check two colours against WCAG.
- Cron BuilderRead and write cron expressions in plain English, with the next run times in any timezone.
- CSS Gradient GeneratorBuild linear, radial and conic gradients by eye: drag the colour stops, try a preset and copy the CSS.
- CSS SelectorsWrite one CSS selector that picks exactly the elements a level highlights, in as few characters as you can.
- CSV ↔ JSON ConverterConvert between CSV and JSON: RFC 4180 quoting, an auto-detected delimiter, typed values, and a preview of the table.
- Data Size ConverterConvert bits, bytes, kB and MB against KiB, MiB and GiB exactly, and time a download.
- Date CalculatorCount the days between two dates, and add or subtract days, weeks, months and years.
- Hash GeneratorHash text with MD5, SHA-1, SHA-256, SHA-384 and SHA-512 at once, and check a hash against it.
- Hex Color GameSee a colour, guess its hex code: ten levels from greys to near-miss pairs, judged by CIEDE2000.
- HMAC GeneratorSign a message with a secret key — HMAC over SHA-256, SHA-512, SHA-1 or MD5 — and check a signature against it.
- HTML Entity Encoder & DecoderEscape text into HTML entities and read them back, named where a name exists and numeric otherwise.
- HTTP Status CodesLook up any HTTP status code: what it means, when to use it, and what clients do with it.
- JSON Formatter & ValidatorFormat, minify and check JSON, and see the exact line and column where it breaks.
- JSON ↔ YAML ConverterConvert between JSON and YAML: anchors resolved, multi-document files handled, and output that round-trips.
- JWT DecoderDecode a JSON Web Token in your browser and read its header, claims and expiry in plain words.
- Lorem Ipsum GeneratorGenerate classic Lorem Ipsum or developer-flavoured filler, by the paragraph, sentence or word.
- Markdown Editor & PreviewWrite Markdown, see it rendered, and copy the HTML.
- Number Base ConverterConvert a number between binary, octal, decimal, hex and any base from 2 to 36, however big it is.
- Password GeneratorMake strong passwords and passphrases from your browser’s own randomness, and check how strong a password is.
- PX to REM ConverterConvert px, rem, em, pt and % in both directions, at any root font size.
- QR Code GeneratorMake a QR code for a link, Wi-Fi, an email or a phone number, and download it as SVG or PNG.
- Regex CrosswordA crossword whose clues are regular expressions: fill the grid so every row and every column matches its pattern.
- Regex TrainerLearn regular expressions one level at a time: match one list, skip the other, in as few characters as you can.
- Robots.txt TesterCheck a robots.txt: would this crawler be allowed to fetch this URL, and which rule decided?
- Semver Range CheckerCheck which versions satisfy an npm semver range, and read what the range means in plain words.
- Shell PipesBuild Unix pipelines that turn a log, a CSV or a word list into the target output, in as few characters as you can.
- SQL DetectiveSolve a yard mystery with SQL: ten levels of queries against a small database, in as few characters as you can.
- SQL FormatterFormat SQL for reading, or minify it, in the dialect you use.
- String Escape & UnescapeEscape and unescape strings for JSON, JavaScript, Java, C#, Python, SQL, regex, the shell and CSV.
- Text to Binary ConverterConvert text to binary, hex, decimal or octal bytes, and back — UTF-8, UTF-16 or ASCII, without leaving the page.
- Diff CheckerCompare two texts line by line, word by word or character by character, and copy the unified diff.
- Time Zone ConverterConvert a date and time between time zones, and see it in several at once.
- Unix Timestamp ConverterTurn Unix timestamps into dates and back, in any timezone.
- URL Encoder & DecoderPercent-encode text for URLs, decode it back, and take a URL apart into its pieces.
- User Agent ParserRead a User-Agent string: browser, engine, operating system, device, and whether it is a known crawler.
- UUID Generator & DecoderGenerate version 4 and 7 UUIDs, or take any UUID apart: its version, its variant, and when a time-based one was made.
- Word CounterCount words, characters, sentences and paragraphs as you type, with reading and speaking time.
- XML Formatter & ValidatorFormat, minify and check XML, and point at the exact spot where it breaks.