$ run --tool
Image Format Converter
Convert images between PNG, JPG and WEBP, with control over quality and output size — entirely in your browser.
Drop a file here, or click to browse
PNG, JPG, WEBP or GIF
Features
- ✓Convert between PNG, JPG and WEBP
- ✓Adjustable quality for JPG/WEBP output
- ✓Optional resize with aspect-ratio lock
- ✓Runs entirely in your browser — nothing is uploaded
How to use
- 1Upload an image
- 2Choose the output format — PNG, JPG or WEBP
- 3Adjust quality and, optionally, resize it
- 4Convert and download the result
Frequently asked questions
Is my image uploaded to a server?+
No — conversion happens locally using the browser's Canvas API.
Why is there no quality slider for PNG?+
PNG is a lossless format, so there's no quality setting — only JPG and WEBP support it.
Can I resize and convert at the same time?+
Yes, set a new width/height (with aspect ratio locked if you like) before converting.
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