@toeverything/file-type

Usage

import { readFile } from 'node:fs'

import { FileType } from '@toeverything/file-type'

const fileType = new FileType(await readFile('path/to/file.jpg'))
console.log(fileType.mime()) // 'application/image/jpeg'
console.log(fileType.ext()) // 'jpg'

Performance

┌─────────┬──────────────────────┬─────────────┬────────────────────┬──────────┬─────────┐
│ (index) │ Task Name            │ ops/sec     │ Average Time (ns)  │ Margin   │ Samples │
├─────────┼──────────────────────┼─────────────┼────────────────────┼──────────┼─────────┤
│ 0       │ '@toeverything/file-type' │ '1,505,155' │ 664.3832625987645  │ '±2.22%' │ 752578  │
│ 1       │ 'file-type'          │ '663,435'   │ 1507.3055818495407 │ '±0.36%' │ 331718  │
└─────────┴──────────────────────┴─────────────┴────────────────────┴──────────┴─────────┘

Supported file formats

Archive

• 7-Zip (7Z)
• ACE
• ALZ
• Archived by Robert Jung (ARJ)
• Cabinet (CAB)
• Extensible Archive (XAR)
• LArc (LZS)
• LHA
• Mozilla Archive (MAR)
• Multi Layer Archive (MLA)
• PMarc (PMA)
• Roshal Archive (RAR)
• SeqBox (SBX)
• Squashfs
• StuffIt (SIT)
• StuffIt X (SITX)
• Tape Archive (TAR)
• UNIX archiver (archiver)
• Windows Imaging Format (WIM)
• ZIP
• ZPAQ
• cpio
• zoo

Audio

• 8-Bit Sampled Voice (8SVX)
• Adaptive Multi-Rate (AMR)
• Advanced Audio Coding (AAC)
• Apple iTunes Audio (M4A)
• Apple iTunes Audiobook (M4B)
• Apple iTunes Protected Audio (M4P)
• Au
• Audio Codec 3 (AC-3)
• Audio Interchange File Format (AIFF)
• Audio Visual Research (AVR)
• Creative Voice (VOC)
• FastTracker 2 Extended Module (XM)
• Flash MP4 Audio (F4A)
• Flash MP4 Audiobook (F4B)
• Free Lossless Audio Codec (FLAC)
• Impulse Tracker Module (IT)
• MPEG-1/2 Audio Layer 2 (MP2)
• MPEG-1/2 Audio Layer 3 (MP3)
• MPEG-4 Part 14 Audio (MP4)
• Matroska Audio (MKA)
• Monkey's Audio (APE)
• Musepack (MPC)
• Musical Instrument Digital Interface (MIDI)
• Ogg FLAC (OGA)
• Ogg Opus (Opus)
• Ogg Speex (Speex)
• Ogg Vorbis (Vorbis)
• Qualcomm PureVoice (QCP)
• Quite OK Audio (QOA)
• RealAudio (RA)
• Scream Tracker 3 Module (S3M)
• Sony DSD Stream File (DSF)
• SoundFont 2 (SF2)
• Ultimate Soundtracker Module (MOD)
• WavPack (WV)
• Waveform Audio (WAV)
• Windows Media Audio (WMA)

Compressed

• BZip3 (BZ3)
• LZ4
• Lempel-Ziv Finite State Entropy (LZFSE)
• Lempel-Ziv-Markov chain algorithm (LZMA)
• Long Range ZIP (LRZIP)
• Snappy
• UNIX compress (compress)
• XZ
• Zstandard (zstd)
• bzip (BZ)
• bzip2 (BZ2)
• gzip (GZ)
• lzip (LZ)
• lzop (LZO)
• rzip (RZ)

Database

• Microsoft Access 2007 Database (ACCDB)
• Microsoft Access Database (MDB)
• Microsoft Works Database (WDB)
• OpenDocument Database (ODB)
• SQLite 3

Diagram

• Circuit Diagram Document (CDDX)
• Microsoft Visio Drawing (VSD)
• Office Open XML Drawing (VSDX)
• StarChart (SDS)
• draw.io (DRAWIO)

Disk

• Amiga Disk File (ADF)
• Apple Disk Image (DMG)
• ISO 9660 (ISO)
• Microsoft Virtual Hard Disk (VHD)
• Microsoft Virtual Hard Disk 2 (VHDX)
• QEMU Copy On Write (QCOW)
• Virtual Machine Disk (VMDK)
• VirtualBox Virtual Disk Image (VDI)

Document

• AbiWord (ABW)
• AbiWord Template (AWT)
• Adobe InDesign Document (INDD)
• DjVu
• InDesign Markup Language (IDML)
• LaTeX (TeX)
• Microsoft Publisher Document (PUB)
• Microsoft Word Document (DOC)
• Microsoft Works Word Processor (WPS)
• Microsoft Write (WRI)
• Office Open XML Document (DOCX)
• OpenDocument Text (ODT)
• OpenDocument Text Master (ODM)
• OpenDocument Text Master Template (OTM)
• OpenDocument Text Template (OTT)
• OpenXPS (OXPS)
• Portable Document Format (PDF)
• PostScript (PS)
• Rich Text Format (RTF)
• StarWriter (SDW)
• Sun XML Writer (SXW)
• Sun XML Writer Global (SGW)
• Sun XML Writer Template (STW)
• Uniform Office Format Text (UOT)
• WordPerfect Document (WPD)

Ebook

• Broad Band eBook (BBeB)
• Electronic Publication (EPUB)
• FictionBook (FB2)
• FictionBook ZIP (FBZ)
• Microsoft Reader (LIT)
• Mobipocket (MOBI)

Executable

• Commodore 64 Program (PRG)
• Common Object File Format (COFF)
• Dalvik Executable (DEX)
• Dynamic Link Library (DLL)
• Executable and Linkable Format (ELF)
• Java Class
• LLVM Bitcode (BC)
• Linear Executable (LE)
• Lua Bytecode
• MS-DOS Executable (EXE)
• Mach-O
• New Executable (NE)
• Nintendo Switch Executable (NSO)
• Optimized Dalvik Executable (DEY)
• Portable Executable (PE)
• WebAssembly Binary (Wasm)
• Xbox 360 Executable (XEX)
• Xbox Executable (XBE)

Font

• BMFont ASCII (FNT)
• BMFont Binary (FNT)
• Embedded OpenType (EOT)
• OpenType (OTF)
• TrueType (TTF)
• Web Open Font Format (WOFF)
• Web Open Font Format 2 (WOFF2)

Formula

• Mathematical Markup Language (MathML)
• OpenDocument Formula (ODF)
• OpenDocument Formula Template (OTF)
• StarMath (SMF)
• Sun XML Math (SXM)

Geospatial

• Flexible and Interoperable Data Transfer (FIT)
• GPS Exchange Format (GPX)
• Geography Markup Language (GML)
• Keyhole Markup Language (KML)
• Keyhole Markup Language ZIP (KMZ)
• Shapefile (SHP)
• Training Center XML (TCX)

Image

• AV1 Image File Format (AVIF)
• AV1 Image File Format Sequence (AVIFS)
• Adaptable Scalable Texture Compression (ASTC)
• Adobe Illustrator Artwork (AI)
• Adobe Photoshop Document (PSD)
• Animated Portable Network Graphics (APNG)
• Apple Icon Image (ICNS)
• Better Portable Graphics (BPG)
• Canon Raw (CRW)
• Canon Raw 2 (CR2)
• Canon Raw 3 (CR3)
• Cineon (CIN)
• Digital Picture Exchange (DPX)
• Encapsulated PostScript (EPS)
• Experimental Computing Facility (XCF)
• Free Lossless Image Format (FLIF)
• Fujifilm Raw (RAF)
• Graphics Interchange Format (GIF)
• High Efficiency Image Coding (HEIC)
• High Efficiency Image Coding Sequence (HEICS)
• High Efficiency Image File Format (HEIF)
• High Efficiency Image File Format Sequence (HEIFS)
• JPEG 2000 Codestream (J2C)
• JPEG 2000 Part 1 (JP2)
• JPEG 2000 Part 2 (JPX)
• JPEG 2000 Part 6 (JPM)
• JPEG Extended Range (JXR)
• JPEG Network Graphics (JNG)
• JPEG XL (JXL)
• JPEG-LS (JLS)
• Joint Photographic Experts Group (JPEG)
• Khronos Texture (KTX)
• Khronos Texture 2 (KTX2)
• Magick Image File Format (MIFF)
• Microsoft DirectDraw Surface (DDS)
• Multiple-image Network Graphics (MNG)
• Nikon Electronic File (NEF)
• Olympus Raw Format (ORF)
• OpenDocument Graphics (ODG)
• OpenDocument Graphics Template (OTG)
• OpenEXR (EXR)
• OpenRaster (ORA)
• Panasonic Raw (RW2)
• Picture Exchange (PCX)
• Portable Arbitrary Map (PAM)
• Portable BitMap (PBM)
• Portable FloatMap (PFM)
• Portable GrayMap (PGM)
• Portable Network Graphics (PNG)
• Portable PixMap (PPM)
• Quite OK Image (QOI)
• Radiance HDR (HDR)
• Scalable Vector Graphics (SVG)
• Silicon Graphics Image (SGI)
• StarDraw (SDA)
• Sun XML Draw (SXD)
• Sun XML Draw Template (STD)
• Tag Image File Format (TIFF)
• WebP
• Windows Animated Cursor (ANI)
• Windows Bitmap (BMP)
• Windows Cursor (CUR)
• Windows Icon (ICO)
• Windows Metafile (WMF)
• WordPerfect Graphics (WPG)
• X PixMap (XPM)
• farbfeld (FF)

Metadata

• Android Binary XML (AXML)
• BitTorrent (Torrent)
• CD Audio (CDA)
• Meta Information Encapsulation (MIE)
• TASTy
• Windows Shortcut (LNK)
• macOS Alias

Model

• 3D Manufacturing Format (3MF)
• 3D Studio (3DS)
• 3D Studio Max (MAX)
• Additive Manufacturing Format (AMF)
• AutoCAD Drawing (DWG)
• Autodesk 123D (123DX)
• Autodesk Alias (WIRE)
• Autodesk Inventor Assembly (IAM)
• Autodesk Inventor Drawing (IDW)
• Autodesk Inventor Part (IPT)
• Autodesk Inventor Presentation (IPN)
• Blender (BLEND)
• Cinema 4D (C4D)
• Collaborative Design Activity (COLLADA)
• Design Web Format (DWF)
• Design Web Format XPS (DWFX)
• Drawing Exchange Format ASCII (DXF)
• Drawing Exchange Format Binary (DXF)
• Extensible 3D (X3D)
• Filmbox (FBX)
• Fusion 360 (F3D)
• GL Transmission Format Binary (GLB)
• Google Draco (Draco)
• Initial Graphics Exchange Specification (IGES)
• Inter-Quake Export (IQE)
• Inter-Quake Model (IQM)
• MagicaVoxel (VOX)
• Maya ASCII (MA)
• Maya Binary (MB)
• Model 3D ASCII (A3D)
• Model 3D Binary (M3D)
• Polygon ASCII (PLY)
• Polygon Binary (PLY)
• SketchUp (SKP)
• SolidWorks Assembly (SLDASM)
• SolidWorks Drawing (SLDDRW)
• SolidWorks Part (SLDPRT)
• SpaceClaim Document (SCDOC)
• Standard for the Exchange of Product model data (STEP)
• Stereolithography ASCII (STL)
• Universal 3D (U3D)
• Universal Scene Description ASCII (USDA)
• Universal Scene Description Binary (USDC)
• Universal Scene Description ZIP (USDZ)
• Virtual Reality Modeling Language (VRML)
• openNURBS (3DM)

Other

• ActiveMime (MSO)
• Advanced Systems Format (ASF)
• Android Resource Storage Container (ARSC)
• Apache Arrow Columnar (Arrow)
• Apache Avro (Avro)
• Apache Parquet (Parquet)
• Arbitrary Binary Data (BIN)
• Atom
• Clojure Script
• Compound File Binary (CFB)
• DER Certificate (DER)
• Digital Imaging and Communications in Medicine (DICOM)
• Empty
• Extensible Binary Meta Language (EBML)
• Extensible Markup Language (XML)
• Extensible Stylesheet Language Transformations (XSLT)
• Flash CS5 Project (FLA)
• Flash Project (FLA)
• Flexible Image Transport System (FITS)
• HyperText Markup Language (HTML)
• ICC Profile (ICC)
• JSON Feed
• Java KeyStore (JKS)
• Lua Script
• MPEG-4 Part 14 (MP4)
• MS-DOS Batch (Batch)
• Microsoft Compiled HTML Help (CHM)
• Microsoft Project Plan (MPP)
• Microsoft Visual Studio Solution (SLN)
• MusicXML
• MusicXML ZIP (MXL)
• Ogg Multiplexed Media (OGX)
• PCAP Dump (PCAP)
• PCAP Next Generation Dump (PCAPNG)
• PEM Certificate (PEM)
• PEM Certificate Signing Request (PEM)
• PEM Private Key (PEM)
• PEM Public Key (PEM)
• PGP Message (PGP)
• PGP Private Key Block (PGP)
• PGP Public Key Block (PGP)
• PGP Signature (PGP)
• PGP Signed Message (PGP)
• Perl Script
• Personal Storage Table (PST)
• Plain Text (TXT)
• Python Script
• RealMedia (RM)
• Really Simple Syndication (RSS)
• Ruby Script
• Shell Script
• Simple Object Access Protocol (SOAP)
• Small Web Format (SWF)
• Tiled Map XML (TMX)
• Tiled Tileset XML (TSX)
• Tool Command Language Script (Tcl Script)
• WebAssembly Text (WAT)
• WordPerfect Macro (WPM)
• XML Localization Interchange File Format (XLIFF)
• gettext Machine Object (MO)
• iCalendar (ICS)
• vCalendar (VCS)
• vCard (VCF)

Package

• Adobe Integrated Runtime (AIR)
• Android App Bundle (AAB)
• Android Package (APK)
• AppImage
• Debian Package (DEB)
• Enterprise Application Archive (EAR)
• Google Chrome Extension (CRX)
• Java Archive (JAR)
• Microsoft Software Installer (MSI)
• Microsoft Visual Studio Extension (VSIX)
• Nintendo Switch Package (NSP)
• Red Hat Package Manager (RPM)
• Web Application Archive (WAR)
• Windows App Bundle (APPXBUNDLE)
• Windows App Package (APPX)
• XAP
• XPInstall (XPI)
• iOS App Store Package (IPA)

Playlist

• Advanced Stream Redirector (ASX)
• MP3 URL (M3U)
• MPEG-DASH MPD (MPD)
• SHOUTcast Playlist (PLS)
• Windows Media Playlist (WPL)
• XML Shareable Playlist Format (XSPF)

Presentation

• Corel Presentations (SHW)
• Corel Presentations 7 (SHW)
• Microsoft PowerPoint Presentation (PPT)
• Office Open XML Presentation (PPTX)
• OpenDocument Presentation (ODP)
• OpenDocument Presentation Template (OTP)
• StarImpress (SDD)
• Sun XML Impress (SXI)
• Sun XML Impress Template (STI)
• Uniform Office Format Presentation (UOP)
• WordPerfect Presentations (SHW)

ROM

• Atari 7800 ROM (A78)
• Commodore 64 Cartridge (CRT)
• Game Boy Advance ROM (GBA)
• Game Boy Color ROM (GBC)
• Game Boy ROM (GB)
• Game Gear ROM (GG)
• Mega Drive ROM (MD)
• Neo Geo Pocket Color ROM (NGC)
• Neo Geo Pocket ROM (NGP)
• Nintendo 64 ROM (Z64)
• Nintendo DS ROM (NDS)
• Nintendo Entertainment System ROM (NES)
• Nintendo Switch ROM (XCI)
• Sega Master System ROM (SMS)

Spreadsheet

• Microsoft Excel Spreadsheet (XLS)
• Microsoft Works 6 Spreadsheet (XLR)
• Microsoft Works Spreadsheet (WKS)
• Office Open XML Spreadsheet (XLSX)
• OpenDocument Spreadsheet (ODS)
• OpenDocument Spreadsheet Template (OTS)
• StarCalc (SDC)
• Sun XML Calc (SXC)
• Sun XML Calc Template (STC)
• Uniform Office Format Spreadsheet (UOS)

Subtitle

• MPEG-4 Part 14 Subtitles (MP4)
• Matroska Subtitles (MKS)
• SubRip Text (SRT)
• Timed Text Markup Language (TTML)
• Universal Subtitle Format (USF)
• Web Video Text Tracks (WebVTT)

Video

• 3rd Generation Partnership Project (3GPP)
• 3rd Generation Partnership Project 2 (3GPP2)
• Actions Media Video (AMV)
• Apple QuickTime (MOV)
• Apple iTunes Video (M4V)
• Audio Video Interleave (AVI)
• Autodesk Animator (FLI)
• Autodesk Animator Pro (FLC)
• BDAV MPEG-2 Transport Stream (M2TS)
• Flash MP4 Protected Video (F4P)
• Flash MP4 Video (F4V)
• Flash Video (FLV)
• JPEG 2000 Part 3 (MJ2)
• MPEG-1/2 Video (MPG)
• MPEG-2 Transport Stream (TS)
• MPEG-4 Part 14 Video (MP4)
• MTV
• Material Exchange Format (MXF)
• Matroska 3D Video (MK3D)
• Matroska Video (MKV)
• Microsoft Digital Video Recording (DVR-MS)
• Ogg Media (OGM)
• Ogg Theora (Theora)
• RealVideo (RV)
• Silicon Graphics Movie (SGI)
• Sony Movie (MQV)
• WebM
• Windows Media Video (WMV)
• Windows Recorded TV Show (WTV)