FileopiaConvert PNG to WEBP
Convert PNG to WEBP online for free. Batch convert many images at once, right in your browser – no upload, no sign-up, no watermark.
- Upload
- Options
- Download
- ✓ 100% free
- ✓ No sign-up
- ✓ No limits
- 🔒 Files never leave your device
How to: PNG to WEBP
- Select or drop your PNG images (batch supported).
- Choose quality and options – WEBP is preselected.
- Click Start and download your WEBP files (ZIP for several).
PNG screenshots and graphics can be very large. WEBP supports both transparency and much stronger compression, often cutting file size by more than half – perfect for websites and apps.
Common uses
- Make transparent website graphics lighter.
- Reduce screenshot sizes in documentation sites.
- Optimise app and game assets.
Tips for best results
- Use lossless WEBP for sharp text and UI; lossy for photos.
- Check the result on a dark and light background if it has transparency.
Why use Fileopia for PNG to WEBP?
| Fileopia | Typical upload-based sites | |
|---|---|---|
| Files uploaded to a server | No – processed on your device | Yes |
| Sign-up required | Never | Often for bigger jobs |
| Hourly / daily task limits | None | Common on free plans |
| Watermark on output | Never | Sometimes |
| Works offline after loading | Yes, for most tools | No |
Your files never leave your device
PNG to WEBP runs entirely in your browser using JavaScript and WebAssembly. Your files are read from your disk into this tab, processed in memory and saved straight back to your downloads folder – they are never uploaded to Fileopia or any third party.
- Test it yourself: once this page has loaded, switch off Wi‑Fi or mobile data and run the tool – it keeps working.
- Check the network: open your browser’s developer tools (F12 → Network) while processing; you will see no file upload requests.
- Nothing to delete: close the tab and the data is gone – there is no server copy, no retention period and no account.
Frequently asked questions
Will converting PNG to WEBP reduce quality?
Lossless formats like PNG keep every pixel. For JPG, WEBP and AVIF you control the quality setting; 85–92 is visually identical for most photos.
Can I convert many PNG files at once?
Yes. Select as many files as you like; they are converted in your browser and downloaded together as a ZIP.
Does WEBP keep transparency?
Yes, WEBP supports transparency in both lossy and lossless modes.
Is PNG to WEBP really free?
Yes. Every tool on Fileopia is 100% free with no file limits, no sign-up and no watermarks. The site is supported by unobtrusive ads.
Are my files uploaded to a server?
No. Fileopia processes your files directly in your browser using JavaScript. Your documents never leave your device, so they stay completely private.
Does it work on mobile?
Yes. Fileopia works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux.