Will converting to PNG improve the quality?

No. It preserves exactly what is there, including the JPEG artefacts. Nothing that was discarded can be recovered by changing format.

Why is the PNG so much bigger?

PNG is lossless and photographs compress poorly without loss. A several-fold increase is normal and does not indicate anything wrong.

Does the image get a transparent background?

No. PNG supports transparency; the JPEG had none to carry over. What you gain is the ability to add it in an editor and keep it.

When should I do this conversion?

Before editing, so repeated saves cost nothing. For publishing a photograph, staying with JPEG or moving to WebP is almost always better.

JPG to PNG Converter

Converts a JPEG to PNG, which stops further quality loss from that point — while being clear that it cannot recover what JPEG already discarded.

Runs in your browser — nothing is uploaded

Your image

Drop an image here

or choose a file — it never leaves your browser

PNG is lossless, so quality has no effect. Expect a larger file than JPEG for photographs — PNG suits graphics, screenshots and anything needing transparency.

Result

Your processed image appears here.

Need this as an API?

Why use it

Built to be genuinely useful

No further loss

PNG is lossless, so every subsequent save is identical. Useful when an image is about to be edited repeatedly.

Transparency becomes available

PNG supports an alpha channel. The JPEG had none, so nothing becomes transparent by itself — but you can now cut a background out and keep it.

Nothing is uploaded

The image is decoded and re-encoded by your browser. It never reaches a server, which matters for anything with a face, a document or a location in it.

Free, no watermark

No account, no queue, and nothing stamped across the result.

How it works

Three steps

1
Open the JPEG.
2
Convert.
3
Download the PNG.

What this conversion can and cannot do

Converting to PNG stops the bleeding; it does not heal the wound. Whatever detail JPEG discarded is gone, and the artefacts around edges are now part of the image data. PNG preserves them perfectly, which is not the same as removing them.

The genuine reason to do this is that you are about to edit. Every JPEG save re-compresses the whole image, so an image opened, adjusted and saved five times has been through five rounds of loss. Working in PNG means only the final export costs anything.

Expect the file to get larger

Often several times larger, and this surprises people. PNG stores the image losslessly, and a photograph has essentially no repetition for its compression to exploit — every pixel differs slightly from its neighbours.

PNG earns its size on flat graphics: screenshots, logos, diagrams, anything with large areas of identical colour. On those it is both smaller than JPEG and visibly better. On a photograph it is bigger and no better, because the quality was already lost before the conversion started.

FAQ

Questions people ask

API access

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Related tools

More image tools

Available tools are linked; the rest are in development.

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