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MIME type lookup

Look up the MIME type and magic number for a file extension. Search across known formats and jump to full signature details.

Advanced Audio Coding .aac audio/aac FF F1
Audio Video Interleave .avi video/x-msvideo 52 49 46 46
AV1 Image File Format .avif image/avif 66 74 79 70
Binary glTF .glb model/gltf-binary, model/gltf+binary 67 6C 54 46
Cascading Style Sheets .css text/css 3A 72 6F 6F 74
Comma-Separated Values .csv text/csv 6E 61 6D 65
Electronic Publication .epub application/epub+zip 50 4B 03 04
Excel Open XML Workbook .xlsx application/vnd.openxmlformats-officedocument.spreadsheetml.sheet 50 4B 03 04
Executable and Linkable Format .elf .so .o application/x-elf 7F 45 4C 46
Extensible Markup Language .xml application/xml, text/xml 3C 3F 78 6D 6C
Free Lossless Audio Codec .flac audio/flac 66 4C 61 43
glTF JSON .gltf model/gltf+json 7B
Graphics Interchange Format .gif image/gif 47 49 46 38 37 61
GZIP Compressed Data .gz .gzip application/gzip 1F 8B 08
HyperText Markup Language .html .htm text/html 3C 21 64 6F 63 74 79 70 65
INI Configuration .ini .conf .cfg text/plain 5B 73 61 6D 70 6C 65 5D
JavaScript .js .mjs .cjs text/javascript, application/javascript 65 78 70 6F 72 74
JavaScript Object Notation .json application/json 7B
JPEG File Interchange Format .jpg .jpeg image/jpeg FF D8 FF
Log File .log text/plain 32 30 32 36 2D
Markdown .md .markdown text/markdown 23 20
MPEG Audio Layer III .mp3 audio/mpeg 49 44 33
MPEG-4 Audio .m4a audio/mp4 66 74 79 70
MPEG-4 Part 14 .mp4 .m4v video/mp4 66 74 79 70
Newline Delimited JSON .ndjson .jsonl application/x-ndjson, application/jsonl 7B
Ogg Container .ogg .oga .ogv audio/ogg, video/ogg, application/ogg 4F 67 67 53
OpenDocument Text .odt application/vnd.oasis.opendocument.text 50 4B 03 04
Plain Text .txt .text text/plain 74 69 74 6C 65 3A
Polygon File Format .ply model/ply, application/octet-stream 70 6C 79 0A
Portable Document Format .pdf application/pdf 25 50 44 46 2D
Portable Network Graphics .png image/png 89 50 4E 47 0D 0A 1A 0A
PowerPoint Open XML Presentation .pptx application/vnd.openxmlformats-officedocument.presentationml.presentation 50 4B 03 04
Rich Text Format .rtf application/rtf, text/rtf 7B 5C 72 74 66
Scalable Vector Graphics .svg image/svg+xml 3C 73 76 67
SQLite Database .sqlite .sqlite3 .db application/vnd.sqlite3 53 51 4C 69 74 65 20 66 6F 72 6D 61 74 20 33 00
SubRip Subtitle .srt application/x-subrip, text/plain 31 0A 30 30 3A 30 30
Tab-Separated Values .tsv .tab text/tab-separated-values 69 6E 64 65 78 09
Tagged Image File Format .tif .tiff image/tiff 49 49 2A 00
Tape Archive .tar application/x-tar 75 73 74 61 72
Tom's Obvious Minimal Language .toml application/toml, text/toml 74 69 74 6C 65 20 3D
VRM Avatar .vrm model/vrm, model/gltf-binary 67 6C 54 46
Waveform Audio File Format .wav audio/wav, audio/x-wav 52 49 46 46
Web App Manifest .webmanifest application/manifest+json 7B
WebAssembly Binary .wasm application/wasm 00 61 73 6D 01 00 00 00
WebM .webm video/webm, audio/webm 1A 45 DF A3
WebP Image .webp image/webp 52 49 46 46
Windows Bitmap .bmp .dib image/bmp, image/x-ms-bmp 42 4D
Word Open XML Document .docx application/vnd.openxmlformats-officedocument.wordprocessingml.document 50 4B 03 04
YAML Ain’t Markup Language .yaml .yml application/yaml, text/yaml 74 69 74 6C 65 3A
ZIP Archive .zip application/zip 50 4B 03 04