Convert Image Format
Convert between PNG, JPG, and WebP with the quality level and transparency handling under your control. One tool, three formats, no upload.
2 free credits · No signup · ~10 seconds
Why use this convert tool
Three formats, one decision
PNG is lossless and keeps transparency. JPG is small but cannot store transparency at all. WebP is smaller than both and still keeps transparency, at the cost of some older software refusing it. Almost every conversion question comes down to those three trade-offs.
Quality you actually control
For JPG and WebP the quality slider decides how much detail is discarded. The control greys out for PNG because PNG is lossless — a quality setting there would be a slider that does nothing, which is worse than no slider at all.
Transparency is an explicit choice
Converting a transparent image to JPG forces a decision, because JPG has no alpha channel. Rather than silently defaulting to black — which is what a surprising number of converters do — the background colour is a control you set. It greys out for PNG and WebP, which keep transparency.
Nothing leaves your browser
The encode runs locally on canvas. There is no upload, so no queue, no server-imposed size limit, and no copy of your file anywhere afterwards — which matters for client work and unpublished artwork.
Choosing the right format
Serving it on a website? WebP
Smaller than both alternatives and it keeps transparency. Every current browser reads it.
Has transparency? Never JPG
JPG has no alpha channel. Transparent areas get flattened onto a solid colour and there is no way back.
Going to be edited? PNG
Lossless means you can save repeatedly without the image degrading a little more each time.
Handing it to someone else? JPG or PNG
WebP is still rejected by some desktop software and upload forms. Play it safe when the destination is out of your hands.
How to convert image format
Upload your image
Drop in a PNG, JPG, WebP, or SVG. It is read locally in your browser.
Choose the output format
Pick PNG, JPG, or WebP. The other controls enable or grey out to match what that format can actually do.
Set quality and background
For JPG and WebP, choose a quality level. For JPG, choose the colour that replaces transparency.
Download
Save the converted file — the extension follows the format you picked.
What the tool looks like
When you need it
Page speed
Move photographs off PNG and onto WebP or JPG.
Preparing to edit
Convert to PNG before background removal or colour work.
Upload requirements
Match whatever format a form or portal insists on.
Opening stubborn files
Turn a WebP into something your software will actually read.
Sending files
Get a large image down to an attachable size.
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