How Image Format Converter Works
The image is drawn onto a canvas, then re-exported using the target format's encoder built into your browser. PNG is lossless (larger files, supports transparency); JPG and WebP are lossy and use the quality slider to trade file size for detail.
How to Use This Tool
- Choose or drag in an image.
- Pick the format you want to convert it to.
- For JPG or WebP, adjust the quality slider if needed.
- Select Convert, then Download to save the new file.
Example
A PNG screenshot converted to JPG at 90% quality typically shrinks significantly in file size, which is useful before uploading it somewhere with strict size limits — though any transparency in the original will be lost, since JPG doesn't support it.
Helpful Tips
- Converting to PNG is a good choice when you need transparency or lossless quality, such as for logos and icons.
- WebP usually gives smaller files than JPG at similar visual quality, but double-check it's supported wherever you plan to use it.
Frequently Asked Questions
Is my image uploaded anywhere?
No, format conversion happens entirely in your browser using the Canvas API.
Why does converting to JPG remove transparency?
JPG doesn't support an alpha (transparency) channel — transparent areas are filled with white when converting from a format like PNG.
Is WebP conversion supported in every browser?
Most modern browsers (Chrome, Edge, Firefox) support encoding WebP through the Canvas API. If your browser doesn't, you'll see a clear error instead of a broken file.
This tool runs entirely in your browser. Your input is not uploaded to any server.