JPEG vs WebP
Differences, use cases, and when to use each
JPEG is the long-established lossy photo format; WebP is Google's modern alternative offering 25-34% smaller files at equivalent quality. WebP also adds transparency support that JPEG lacks.
Quick Comparison
| Feature | JPEG | WebP |
|---|---|---|
| Compression | Lossy (DCT) | Lossy (VP8) or lossless |
| Size at Same Quality | Baseline | 25-34% smaller |
| Transparency | Not supported | Supported |
| Browser Support | Universal | All modern browsers |
| Tool Support | Every image tool | Growing support |
When to Use Each
When to Use JPEG
Use JPEG when maximum compatibility is needed (email, older systems) or when working with tools that don't support WebP.
When to Use WebP
Use WebP for web images to get 25-34% smaller files with equivalent visual quality. WebP also adds transparency that JPEG can't provide.
Pros & Cons
JPEG
Universal compatibility everywhere
Every tool supports JPEG
Standard for photography
Larger files than WebP
No transparency support
WebP
25-34% smaller files
Transparency support
Both lossy and lossless modes
Older browser gaps
Some tools still lack support
Verdict
WebP for web delivery; JPEG for maximum compatibility. Use <picture> elements to serve WebP with JPEG fallback for the best of both worlds.