SaveImageConvert PNG to WebP
Free PNG to WebP converter that runs entirely in your browser — private, fast, with no daily quota. No signup, no watermark.
WebP files are typically 25–35% smaller than equivalent PNGs, which makes pages load faster — this is the go-to conversion when preparing images for a website. Transparency is preserved.
PNG to WebP: what changes
- Quality
- At the default 92% quality the difference is imperceptible; pick a lower quality for smaller files. Transparency is kept.
- Transparency
- Transparency is preserved when the source file contains it.
- Best for
- web publishing when smaller files matter and modern browser support is acceptable
- Animation & metadata
- This tool creates a still image; it does not add animation to the output. The new file may not retain the source file's EXIF metadata.
How to convert PNG to WebP
1. Add files
Drop PNG files, click to choose, or paste from the clipboard.
2. Local conversion
Your browser converts the files on your device — usually in seconds, with no upload queue.
3. Download
Save each WebP individually or grab them all at once.
Frequently asked questions
Is this PNG to WebP converter free?
Yes — there is no signup, watermark or daily usage quota. Conversion runs in your browser; practical batch size depends on your device's available memory.
Are my files uploaded to a server?
No. The conversion happens entirely on your device using your browser's built-in image engine. Your files never leave your computer — which also makes it as fast as your machine, with no queue.
Does converting PNG to WebP lose quality?
At the default 92% quality the difference is imperceptible; pick a lower quality for smaller files. Transparency is kept.
Can I convert multiple files at once?
Yes — add a batch and convert up to 50 files at once. Each converts independently, and you can download them individually or in one ZIP.
Does it work on phones and all browsers?
It works in every up-to-date browser on desktop and mobile. Note: Safari can't encode WebP — Use Chrome, Edge or Firefox for this conversion — or convert to PNG/JPG instead.
More free tools
Convert images while you browse
The SaveImage Chrome extension adds “Save image as JPG / PNG / WebP” to your right-click menu on any image — plus crop, resize, annotate and AI background removal.
＋ Add to Chrome — free