WebP
A raster image format designed for efficient image delivery with lossy and lossless compression, transparency, and animation.
General information
- Format name
- WebP Image Format
- Extension
.webp- MIME type
image/webp- Category
- image
- Data type
- Binary
- Developer
Image properties
- Structure
- Raster
- Compression
- Lossless and lossy
- Transparency
- Yes
- Animation
- Yes
File signatures
| Offset | Hexadecimal | ASCII | Description |
|---|---|---|---|
| 0 | 52 49 46 46 | RIFF | WebP uses a RIFF container. RIFF alone is not sufficient to identify a WebP file. |
| 8 | 57 45 42 50 | WEBP | The WEBP identifier appears at byte offset 8 in a WebP RIFF container. |
Common uses
Website images
Product images
Photographs
Transparent graphics
Animated web graphics
Related formats
Technical resources
| Resource | Publisher | Link |
|---|---|---|
| RFC 9649 — WebP Image Format | RFC Editor | Open resource ↗ |
| Media Types Registry | IANA | Open resource ↗ |
Record information
- Verified
- October 3, 2026
- Last updated
- October 3, 2026