PNG to WebP Converter
Convert PNG images to WebP online in seconds — free, unlimited, and 100% private. Bulk conversion included.
How to convert PNG to WebP
- Upload your PNG filesDrag & drop, browse, or paste — convert one file or a whole batch at once.
- Tune quality & sizeUse the quality slider and optional max-width to balance sharpness and file size.
- Convert instantlyYour PNG is converted to WebP right in your browser in under a second — nothing is uploaded.
- DownloadSave files one by one or grab everything as a single ZIP archive.
Why convert PNG to WebP?
PNG is lossless quality with full alpha transparency — ideal for graphics and screenshots. WebP, on the other hand, is Google's modern format — up to 34% smaller than JPG at equal quality.
WebP keeps PNG's transparency support while cutting file size by up to 30% — the best of both worlds for modern websites.
PNG vs WebP — quick comparison
| Feature | PNG | WebP |
| Compression | Lossless | Lossy or lossless |
| Transparency | Yes | Yes |
| Typical file size | Medium–large | Very small |
| Compatibility | Universal | All modern browsers |
Frequently asked questions
Is this PNG to WebP converter free?
Yes — completely free with no limits, no signup, and no watermarks. Convert as many PNG images to WebP as you like.
Are my images uploaded to a server?
No. Conversion happens locally in your browser using the HTML5 Canvas API, so your images never leave your device. Only formats that browsers can't natively process are converted via our encrypted server API, and those files are deleted immediately.
Will converting PNG to WebP reduce image quality?
You stay in control: the quality slider (10–100%) lets you choose the balance between sharpness and file size. At 90%, quality loss is visually invisible for most photos.
Can I convert multiple PNG files to WebP at once?
Yes. Drop or select as many files as you need — each is converted and listed individually, and you can download them all together as a ZIP. For mixed input formats, use our Bulk Image Converter.
Does it work on mobile phones?
Absolutely. ToolsCrow is mobile-first: the converter runs entirely in your phone's browser on Android and iOS — no app installation needed.