WebP vs JPG: Which Format Should You Use?
A comprehensive comparison of WebP and JPG formats, including file sizes, quality, and browser compatibility.
The Short Answer
For most modern websites, WebP is the better choice. It delivers smaller file sizes at equivalent visual quality compared to JPG. However, JPG still has its place, especially when you need maximum compatibility with older software and email clients.
Format Comparison
| Feature | WebP | JPG |
|---|---|---|
| Compression | Lossy & Lossless | Lossy only |
| Transparency | Yes | No |
| Animation | Yes | No |
| Browser support | 97%+ | 100% |
| Typical size savings | 25-35% smaller | Baseline |
When to Use WebP
- Web pages targeting modern browsers (Chrome, Firefox, Edge, Safari 14+)
- When you need both transparency and small file sizes
- For animated images where GIF would be too large
- When bandwidth savings are a priority (mobile users, slow connections)
When to Use JPG
- Photographs in email newsletters (most email clients do not support WebP)
- When compatibility with older software is required
- For print media workflows that expect standard JPEG input
- When your audience includes users on very old browsers
Practical Conversion Tips
When converting between formats, keep these guidelines in mind:
- Always compare the output quality side by side before publishing
- Use quality 75-85 for WebP to get the best size-to-quality ratio
- For photos, try both formats and pick the smaller one at acceptable quality
- Consider using the picture element with format fallbacks for maximum compatibility
Key Takeaway
Use WebP as your default format for web publishing. Fall back to JPG only when you need guaranteed compatibility. You can convert between formats easily using ImageTools to find the best option for each image.
Conclusion
The WebP format has matured significantly and is now supported by virtually all modern browsers. For web-focused workflows, it should be your first choice. JPG remains the universal fallback for compatibility-critical scenarios like email and legacy systems.