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.
| Format | MIME Type | Features | Browsers | |
|---|---|---|---|---|
|
SR2
Sony SR2 Raw Image
Photography & Raw Imaging
|
image/x-sony-sr2
|
Transparency — not supported
Animation — not supported
Progressive loading — not supported
|
|
|
|
SRF
Sony SRF Raw Image
Photography & Raw Imaging
|
image/x-sony-srf
|
Transparency — not supported
Animation — not supported
Progressive loading — not supported
|
|
|
|
TGA
Truevision TGA (TARGA)
Raster Graphics & Textures
|
image/x-targa
|
Transparency
Animation — not supported
Progressive loading — not supported
|
|
|
|
TGA
Truevision TGA (Legacy MIME Alias)
Raster Graphics & Textures
|
image/x-tga
|
Transparency
Animation — not supported
Progressive loading — not supported
|
|
|
|
TIFF
Tagged Image File Format (Legacy MIME)
Raster Graphics & Publishing
|
image/x-tiff
|
Transparency
Animation — not supported
Progressive loading — not supported
|
|
|
|
DGN
MicroStation Design File
CAD & Vector Graphics
|
image/x-vnd.dgn
|
Transparency
Animation — not supported
Progressive loading — not supported
|
|
|
|
BMP
Windows Bitmap (Alternate Legacy MIME)
Raster Graphics
|
image/x-win-bmp
|
Transparency
Animation — not supported
Progressive loading — not supported
|
|
|
|
BMP
Windows Bitmap (Legacy Windows MIME Alias)
Raster Graphics
|
image/x-windows-bmp
|
Transparency
Animation — not supported
Progressive loading — not supported
|
|
|
|
WMF
Windows Metafile
Vector & Metafile Graphics
|
image/x-wmf
|
Transparency
Animation — not supported
Progressive loading — not supported
|
|
|
|
XBM
X Bitmap
Legacy & Raster Graphics
|
image/x-xbitmap
|
Transparency
Animation — not supported
Progressive loading — not supported
|
|
|
|
XBM
X Bitmap (Legacy MIME Alias)
Legacy & Raster Graphics
|
image/x-xbm
|
Transparency
Animation — not supported
Progressive loading — not supported
|
|
|
|
XCF
GIMP Image Format
Raster Graphics & Layers
|
image/x-xcf
|
Transparency
Animation
Progressive loading — not supported
|
|
|
|
XPM
X Pixmap
Legacy & Raster Graphics
|
image/x-xpixmap
|
Transparency
Animation — not supported
Progressive loading — not supported
|
|
|
|
XWD
X Window Dump
Legacy & Raster Graphics
|
image/x-xwd
|
Transparency
Animation — not supported
Progressive loading — not supported
|
|
|
|
XWD
X Window Dump (Legacy MIME Alias)
Legacy & Raster Graphics
|
image/x-xwindowdump
|
Transparency
Animation — not supported
Progressive loading — not supported
|
|
|
|
XPM
X Pixmap
Legacy & Raster Graphics
|
image/x-xpixmap
|
Transparency
Animation — not supported
Progressive loading — not supported
|
|
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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.