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Developer Reference

Image MIME Type Reference

The definitive index of image file formats — MIME types, magic bytes, browser compatibility, compression modes, and developer code snippets. Bookmark this and never look it up again.

156
Image formats
5
Browsers tracked
4
Code languages
Free API
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Format MIME Type Features Browsers
PIX
Alias PIX Image
3D Graphics & Legacy
 image/x-alias-pix
Transparency — not supported
Animation — not supported
Progressive loading — not supported
Chrome Firefox Safari Edge
BMP
Windows Bitmap (Legacy MIME)
Raster Graphics
 image/x-bmp
Transparency
Animation — not supported
Progressive loading — not supported
Chrome Firefox Safari Edge
CR2
Canon Raw Version 2
Photography & Raw Imaging
 image/x-canon-cr2
Transparency — not supported
Animation — not supported
Progressive loading — not supported
Chrome Firefox Safari Edge
CRW
Canon Raw Format
Photography & Raw Imaging
 image/x-canon-crw
Transparency — not supported
Animation — not supported
Progressive loading — not supported
Chrome Firefox Safari Edge
RAS
CMU Window Manager Raster
Legacy & Raster Graphics
 image/x-cmu-raster
Transparency — not supported
Animation — not supported
Progressive loading — not supported
Chrome Firefox Safari Edge
CMX
Corel Metafile Exchange
Vector Graphics & Legacy
 image/x-cmx
Transparency
Animation — not supported
Progressive loading — not supported
Chrome Firefox Safari Edge
XCF.GZ
Compressed GIMP XCF Image
Raster Graphics & Project Files
 image/x-compressed-xcf
Transparency
Animation
Progressive loading — not supported
Chrome Firefox Safari Edge
RAW
Digital Camera Raw (Generic Linux MIME)
Photography & Raw Imaging
 image/x-dcraw
Transparency — not supported
Animation — not supported
Progressive loading — not supported
Chrome Firefox Safari Edge
EMF
Windows Enhanced Metafile
Vector Graphics & Legacy
 image/x-emf
Transparency
Animation — not supported
Progressive loading — not supported
Chrome Firefox Safari Edge
ERF
Epson Raw Format
Photography & Raw Imaging
 image/x-epson-erf
Transparency — not supported
Animation — not supported
Progressive loading — not supported
Chrome Firefox Safari Edge
FH
Macromedia FreeHand Document
Vector Graphics & Legacy
 image/x-freehand
Transparency
Animation
Progressive loading — not supported
Chrome Firefox Safari Edge
RAF
Fujifilm RAW Image
Photography & Raw Imaging
 image/x-fuji-raf
Transparency — not supported
Animation — not supported
Progressive loading — not supported
Chrome Firefox Safari Edge
ICNS
Apple Icon Image
Icons & UI
 image/x-icns
Transparency
Animation — not supported
Progressive loading — not supported
Chrome Firefox Safari Edge
ICO
Windows Icon (Legacy MIME)
Icons & UI
 image/x-icon
Transparency
Animation — not supported
Progressive loading — not supported
Chrome Firefox Safari Edge
ART
AOL ART Image
Legacy & Proprietary
 image/x-jg
Transparency — not supported
Animation — not supported
Progressive loading
Chrome Firefox Safari Edge
JNG
JPEG Network Graphics
Legacy & Web Graphics
 image/x-jng
Transparency
Animation — not supported
Progressive loading
Chrome Firefox Safari Edge
JPS
JPEG Stereo Image
3D & Stereoscopic Graphics
 image/x-jps
Transparency — not supported
Animation — not supported
Progressive loading
Chrome Firefox Safari Edge
DCR
Kodak Digital Camera Raw
Photography & Raw Imaging
 image/x-kodak-dcr
Transparency — not supported
Animation — not supported
Progressive loading — not supported
Chrome Firefox Safari Edge
K25
Kodak K25 Raw Image
Photography & Raw Imaging
 image/x-kodak-k25
Transparency — not supported
Animation — not supported
Progressive loading — not supported
Chrome Firefox Safari Edge
KDC
Kodak KDC Raw Image
Photography & Raw Imaging
 image/x-kodak-kdc
Transparency — not supported
Animation — not supported
Progressive loading — not supported
Chrome Firefox Safari Edge
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Free JSON API

Use this data in your project

Every format's full specification is available as a free, open JSON endpoint. No authentication, no rate limits for reasonable use.

Example endpoints
GET /mime/image/webp.json
GET /mime/image/jpeg.json
GET /mime/image/png.json

Why developers reference this page

Magic bytes for file detection
Exact hex signatures to detect image formats without relying on file extensions.
Browser compatibility matrix
Exact minimum browser versions for each format, including legacy IE coverage.
Copy-paste code snippets
MIME detection in Python, Node.js, Go, and PHP. One click to copy.
Embeddable badge & widget
Add a live spec card or SVG badge to your README or documentation.
Side-by-side comparisons
Compare any two formats on compression, features, and support in one view.
Open JSON API
All spec data is machine-readable. Pull it into your own tools and docs.
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