Convert PNG to WebP Online in Seconds
- Step 1: Drag and drop up to 20 PNG files into the upload area or click to choose. Optional: open the settings below to set width and height before converting.
- Step 2: Conversion starts instantly on our servers. It’s quick, even for large files. Transparency and crisp edges are preserved.
- Step 3: Download your WebP files. If you uploaded more than one image, you’ll receive a ZIP containing all results.
Fast PNG to WebP conversion
Drop in up to 20 PNGs and get WebP files back in seconds; we combine multiple results into a single ZIP for easy download. Optional settings let you set exact width and height during conversion, and we handle large files without a queue.
Batch conversion made simple
Upload up to 20 images at once and we start converting immediately on Converter App’s servers. When finished, grab a single ZIP or individual WebP files for quick site updates and asset handoffs.
Always free
Every conversion on Converter App is free. No account, no watermarks, and no daily caps. Fair use applies only in extreme cases to keep the service fast for everyone. Large files are welcome.
Crisp results with transparency intact
Converter App preserves transparency, fine lines, and gradients for clean WebP output. If color accuracy matters, convert a test file and compare quickly to ensure the look fits your UI.
No queue, built for heavy workloads
Our optimized servers start processing right away, even for large files, so you are never stuck in a queue. Convert as often as you like across devices—performance stays snappy.
Privacy first
Your files are processed securely over HTTPS and removed automatically in about one hour. Only you can access the download links; we never share your data.
PNG vs WebP: what actually changes?
On average WebP trims roughly 30 percent off a comparable PNG and can also store simple animation. The result is faster pages and lower data use.
Why swap PNGs for WebP on your site?
Leaner images shorten First Contentful Paint, boost Core Web Vitals, and reduce bandwidth costs.
Convert online in one step
Drag your PNG files into the box above. We convert them on our servers and return ready-to-use WebP files within seconds. No sign-up, no watermark, no queue.
PNG to WebP converter quality rating
4.9 /
5 (based on
89 reviews
)