JPG to PNG

How it works

PNG is lossless, so this conversion adds no new quality loss — but it cannot recover detail JPG has already discarded. Expect the output to be larger than the source, often two or three times larger for a photograph, because PNG stores every pixel exactly and photographic noise is the hardest thing for lossless compression to shrink. The conversion earns its place in three situations: you are about to edit the image and want later saves to stop degrading it, you are handing the file to a system that only accepts PNG, or you need a format that will not soften text and sharp edges further. Select as many JPG files as you like; each is converted separately and listed with its new size.

This tool is also known as jpg to png, convert jpg to png, jpeg to png converter, lossless image format, jpg to png batch, jfif to png, jfif to png converter.

What is JPG?

JPG is the lossy format that became the default for photographs, and its lossiness has one consequence people meet without noticing: the file degrades a little every time it is re-saved, because each encode throws away a fresh round of detail. A single save is invisible. Ten rounds of open-edit-save are not — blocky artefacts creep in around edges and flat areas turn patchy. That is why JPG works as a delivery format and fails as a working or archival one.

What is PNG?

PNG is a lossless image format: it stores every pixel exactly as given, so saving a PNG a hundred times produces a hundred identical files. That guarantee is what makes it the safe format to work in while an image is still being edited. It also holds screenshots, text and line drawings without softening their edges, and it supports transparency. The trade is size — for a photograph a PNG is usually several times larger than the equivalent JPG.

What is the difference between JPG and PNG?

JPG is lossy and PNG is lossless, but the direction of the conversion is what actually matters here. Moving from JPG to PNG does not bring back discarded detail — that loss happened at the first JPG save and is permanent. What the conversion buys is the future: from this point on, edits and re-saves add no further damage. So this tool does not improve quality, it stops quality from falling further, and the larger file is the honest price of that guarantee. If your goal is a smaller file rather than a stable one, this is the wrong direction to go.

Why did the file get bigger?

JPG shrinks a photograph by discarding detail the eye is unlikely to miss. PNG keeps every pixel. Converting a photograph therefore often doubles or triples the file size, and no setting avoids it — it is what lossless means.

If you were trying to save space, this conversion works against you. Use an image compressor instead, and keep the file in JPG.

Does it add transparency?

No. PNG supports transparency, but a JPG has none to carry over — every pixel in it is opaque. The converted file has the same background it always had.

Removing a background is a separate editing job that needs a real image editor; no format conversion can do it.

Frequently asked questions

Does converting JPG to PNG improve quality?

No. PNG is lossless, but the detail JPG already discarded does not come back. All you gain is that further saves cause no additional damage.

Why is the PNG file larger?

PNG stores every pixel exactly, while JPG compresses by throwing detail away. On photographs that difference makes the file noticeably bigger.

Can I convert several files at once?

Yes. Select as many JPG files as you need; each is produced as its own PNG and appears in the list to download separately.

Can I convert a JFIF file to PNG here?

Yes. A .jfif file is an ordinary JPEG with a different extension (JFIF is the container name for baseline JPEG, and Windows sometimes saves downloaded images that way). Select it like any JPG and you get a PNG with the same pixels; if you only need the extension changed, renaming .jfif to .jpg also works, but PNG output lets you edit and re-save without further JPEG loss.