Convert Image
Drop images here or click to browse
JPG, PNG, WebP, BMP, GIF, AVIF
How it works
1
Drop your images
Drop one or more images. JPG, PNG, WebP, AVIF, BMP, GIF all supported.
2
Choose output format
Select JPG, PNG, or WebP. Adjust quality for lossy formats.
3
Download converted images
Single files download directly. Multiple files arrive as a ZIP.
Why Mutari?
- ✓ Your files never leave your browser. No server processing, ever
- ✓ Works offline once the page loads
- ✓ No account, no signup, completely free
- ✓ Powered by WebAssembly for fast, native-speed processing
Unlike cloud-based tools
Most online PDF tools upload your files to their servers for processing. Mutari is different: everything runs in your browser using WebAssembly. No file ever leaves your device, which means no privacy risk, no upload wait time, and no file size restrictions imposed by server limits.
Frequently asked questions
What formats are supported?
Input: JPG, PNG, WebP, AVIF, BMP, GIF. Output: JPG, PNG, WebP. The available output formats depend on your input format.
Can I convert multiple images at once?
Yes. Drop multiple files and they'll all convert to your chosen format. Multiple results download as a ZIP.
Does conversion lose quality?
Converting to JPG or WebP uses lossy compression, and you can adjust quality with the slider. Converting to PNG is lossless.