PNG to WebP converter
Convert PNG to WebP to make web images lighter. Choose lossy (small) or quality 100 for near-lossless graphics.
Drop PNG files here
PNG files (other image formats work too) · up to 100 at once · converted on this device
Tip: you can also paste a copied image.
Good web quality, much smaller.
Downsizes only; SVG is drawn at this size (default 1024).
Why convert PNG to WebP?
Swapping PNG for WebP is one of the quickest ways to cut page weight. Google reports lossless WebP files around 26% smaller than PNGs.
What to expect
- Transparency is kept in WebP.
- Quality 100 uses the encoder’s highest lossy setting; for pixel-exact output keep the PNG.
- Maximum WebP dimensions are 16,383 × 16,383 pixels (a limit of the format).
How to convert PNG to WebP
- Tap Choose images or drag your PNG files onto the light box (up to 100).
- WebP is already selected. Adjust quality or the longest edge if you need to.
- Press Convert to WebP, then save files one by one or as one ZIP.
Related reading: WebP vs PNG: measure which is smaller for your image.
The two formats
PNG: Portable Network Graphics (ISO/IEC 15948)
Lossless, supports full transparency. Ideal for screenshots, logos and graphics with flat colour; heavy for photos.
WebP: WebP (Google, 2010)
A web format with both lossy and lossless modes plus transparency. Every current browser shows it, but older desktop apps and some upload forms reject it.
PNG to WebP: questions
Is WebP supported everywhere?
Every current browser displays WebP. Some email clients, older desktop apps and upload forms still do not.
Should I use WebP or AVIF?
AVIF is often smaller still but encodes much slower. WebP is the safer, faster default.
Does it keep transparency?
Yes, WebP supports a full alpha channel.