Sample WebP Files — Modern Web Image Format for Testing
Download free sample WebP images — lossy, lossless, animated, and transparent variants. Google's modern format that's 25–34% smaller than JPEG and 26% smaller than PNG.
sample-100kb.webp
1920×1080 · sRGB
sample-300kb.webp
3840×2160 · sRGB
sample-lossless.webp
1920×1080 · sRGB
sample-animated.webp
400×300
sample-transparent.webp
800×600 · transparent
sample-small.webp
640×480 · sRGB
Use cases for sample WebP files
- Testing WebP support in image upload pipelines
- Verifying WebP-to-JPG/PNG fallback with <picture> tag
- Benchmarking WebP vs JPG/PNG file sizes
- Testing animated WebP as GIF replacement
- Verifying transparent WebP rendering
- Testing CDN image optimization and format negotiation
Why WebP vs JPG or PNG?
| Feature | WebP | JPEG | PNG |
|---|---|---|---|
| Lossy compression | 25–34% smaller | baseline | N/A |
| Lossless compression | 26% smaller | N/A | baseline |
| Transparency | Yes | No | Yes |
| Animation | Yes | No | No |
| Browser support | 96%+ | 100% | 100% |
Browser support
Supported: Chrome, Firefox, Safari 14+, Edge, Opera, Android Browser, iOS Safari 14+
Not supported: IE 11, older Safari (13 and below)
Use the <picture> tag with a JPG fallback for maximum compatibility.
How to serve WebP with fallback
<picture>
<source srcset="image.webp" type="image/webp">
<img src="image.jpg" alt="Description">
</picture>Browsers that support WebP load the .webp file. Others fall back to .jpg automatically. No JavaScript needed.
Technical specifications
| Developed by | Google (2010) |
| Compression | Lossy (VP8) and lossless |
| Transparency | Full alpha channel |
| Animation | Supported (replaces GIF) |
| Max dimensions | 16383×16383 pixels |
Frequently Asked Questions
Other image formats
Related reading
WebP vs PNG vs JPG — Which Format Should You Use?
Comprehensive comparison of WebP, PNG, and JPG image formats. File size, quality, browser support, and when to use each format.
Image Optimization for Web Performance
Modern formats, responsive srcset, lazy loading, and CDN tricks. Cut LCP by 40% with proper image optimization. Sample JPG, PNG, and WebP files included.
SVG vs PNG for Icons — Which Wins in 2025?
When to use SVG, when to use PNG for favicons and UI icons. Accessibility, animation, file size, and caching — with side-by-side samples you can copy.