PNG vs WebP
Which image format should you choose?
PNG wins on lossless — no quality loss when re-saved. WebP wins on 25–35% smaller than jpg and png. For most general use, pick whichever is more compatible with your existing tools — file size and quality differences are usually small at the same encoding settings.
When to use PNG
Choose PNG when you need logos and graphics with transparency or screenshots and ui mockups. Its strengths: lossless — no quality loss when re-saved, and full alpha transparency.
Pros
- + Lossless — no quality loss when re-saved
- + Full alpha transparency
- + Universal browser and software support
Cons
- − Much larger files than JPG for photos
- − No animation (use APNG or GIF)
- − Outperformed by WebP and AVIF on the modern web
When to use WebP
Choose WebP when you need web images and core web vitals optimization or replacing jpg and png to reduce page weight. Its strengths: 25–35% smaller than jpg and png, and supports both lossy and lossless.
Pros
- + 25–35% smaller than JPG and PNG
- + Supports both lossy and lossless
- + Transparency and animation in one format
Cons
- − Not supported by some image editors
- − Older browsers (Safari < 14, IE) lack support
- − Less mature ecosystem than JPG/PNG
Side-by-side
| Aspect | PNG | WebP |
|---|---|---|
| Full name | Portable Network Graphics | WebP |
| Extension | .png | .webp |
| MIME type | image/png | image/webp |
| Compression | Lossless | Lossless |
| File size | Large | Medium▲ |
| Compatibility | Universal▲ | Wide |
| Open source | Yes | Yes |
| Best for | Logos and graphics with transparency | Web images and Core Web Vitals optimization |
▲ = generally favored on that aspect. Real-world results depend on encoder settings.
Convert between PNG and WebP
PNG vs WebP — Frequently Asked Questions
Is PNG better than WebP?
Is PNG better than WebP?
Neither is universally better — they serve different needs. PNG is stronger for logos and graphics with transparency, while WebP is stronger for web images and core web vitals optimization. Pick based on what you're trying to do.
Can I convert PNG to WebP?
Can I convert PNG to WebP?
Yes — Zen Convert handles PNG to WebP conversion for free, directly in your browser. It also handles the reverse (WebP to PNG). No signup, no watermark.
Will I lose quality converting between PNG and WebP?
Will I lose quality converting between PNG and WebP?
Both PNG and WebP are lossless — converting between them preserves all the original data. No quality loss.
Which file is bigger : PNG or WebP?
Which file is bigger : PNG or WebP?
WebP files are usually smaller than PNG files at the same quality. The difference depends on encoder settings, but the trend is consistent across most content.
Which one is better supported on phones?
Which one is better supported on phones?
PNG has broader mobile support. Most phones (iPhone and Android) play it natively without extra apps.