Image format converter
Convert local images between PNG, JPG and WebP.
Maximum 25 MB and 40 megapixels. Each dimension supports up to 16,384 px. Everything is processed in your browser.
Reprocessing can change metadata and color profiles. JPG does not preserve transparency: a white background is used. PNG and WebP support transparency.
Your files are processed here, on your device
We do not send your file or text contents to a processing server. No account is needed and there is no daily operation quota. Individual tools have size limits to protect your device’s memory.
A connection is needed to load the site and its resources. Hosting may receive technical visit data. Favorites store only tool identifiers in this browser.
How we handle your data →How to use this tool
- Load a PNG, JPG or WebP image.
- Choose a destination-supported format that retains transparency if needed.
- Download and check background, colors and file size.
An example you can verify
Change format to make an image compatible with its destination.
Example input
Transparent PNG; JPG output.
Expected result
JPG with white where transparency existed.
Use PNG or WebP to retain transparency. Exporting may change metadata and color profiles.
Settings and limits
Choose an image and output format. PNG suits graphics with transparency; JPG often suits photos; WebP supports both. Output metadata or color profiles may change.
Frequently asked questions
What happens to transparency when converting to JPG?
Transparent areas are filled with white because JPG has no transparency channel.