Convert PNG to WebP Online — Free
Convert PNG to WebP online — free, no upload, no signup. WebP delivers PNG-quality images at 25–35% smaller file sizes and is supported by all modern browsers. Ideal for website assets where every kilobyte counts toward Core Web Vitals. Need the reverse? Use WebP to JPG for legacy support, or browse all image tools for resize and compress options.
How to convert png to webp online
- Drop your JPG, PNG or WebP file into the tool above (or paste from clipboard).
- Adjust the quality slider — the live size readout updates in real time.
- Stop when the size matches the target for "convert png to webp online", then click Download.
Common use cases
- Online forms, government portals, and exam applications with strict size caps
- Profile pictures and ID scans for job, visa, and bank KYC submissions
- Faster website loading and lighter email attachments
- Mobile photo storage cleanup without losing visible quality
- Social media uploads where the platform re-compresses anyway
Frequently asked questions
Is WebP supported everywhere?
Yes — every modern browser including Chrome, Firefox, Safari (14+), and Edge supports WebP. Older browsers like IE11 do not.
Does WebP keep transparency?
Yes — WebP supports both lossy and lossless modes plus full alpha transparency, just like PNG.
How much smaller is WebP than PNG?
25–35% smaller at the same visual quality. Lossy WebP can be 70%+ smaller for photographs.