Convert PNG to WebP
Convert PNG to WebP free in your browser: upload a .png file above and download it as .webp in seconds. No signup, no watermarks. A little, yes — WebP is a lossy format, so the encoder discards data it considers invisible. At typical quality settings the difference is imperceptible for photos. If you plan to edit the image further, keep a copy of the PNG original.
Upload a .png file and download it as .webp in seconds. PNG is lossless format with transparency support, while WebP is modern format with excellent compression and quality balance — below you can see exactly what changes in the conversion and whether switching makes sense for your image.
Drop files here or click to browse
Supports JPG, PNG, WebP, GIF, HEIC up to 10MB
You can also paste images from clipboard
Files are uploaded temporarily through Sirv processing to generate the converted download.
Should You Convert PNG to WebP?
Conversion changes how your image is stored, not what it shows. Switching from PNG to WebP trades one set of strengths for another, so it helps to know which side of that trade you are on.
Good reasons to switch
- ✓Smaller file sizes than JPEG/PNG
- ✓Supports transparency
- ✓Supports animation
- ✓You need the file in a program or platform that only accepts .webp
Better off staying with PNG
- ✗Lossless quality — conversion does not remove this trade-off
- ✗Transparency support — conversion does not remove this trade-off
- ✗Universal support — conversion does not remove this trade-off
- ✗Nothing about your current workflow requires .webp
What Changes When You Convert
Quality
WebP compresses lossily, so the output is slightly degraded compared to your lossless PNG original. For photos the difference is usually invisible at normal quality settings; for text and sharp edges it can show sooner.
Transparency
Transparency is preserved when converting between these two formats.
Animation
The output is a still image. To animate it you would need dedicated frames or an animated source.
File size
File size depends on content: WebP files are typically 25-35% smaller than JPEG at the same quality, while PNG files are compact for flat graphics and screenshots, large for photographs.
PNG vs WebP: Format Comparison
| Feature | PNG | WebP |
|---|---|---|
| Compression | Lossless only | Lossy and lossless |
| Transparency | Yes | Yes |
| Animation | No | Yes |
| Typical size | compact for flat graphics and screenshots, large for photographs | typically 25-35% smaller than JPEG at the same quality |
| Best for | Logos, Icons, Screenshots, Graphics with text | Web images, E-commerce products, Blog images |
| Browser support | 100% | 96% |
| Extension / MIME | .png · image/png | .webp · image/webp |
How the Converter Works
- Upload — drop your .png file into the tool above. It is processed temporarily and never shared.
- Convert — the file is re-encoded as .webp with sensible default quality settings.
- Download — grab the finished .webp file. Nothing is stored after processing.