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TinySolve

JPG to PNG

Convert JPG photos to PNG, losslessly and without uploading them.

Runs in your browser — your files are never uploaded

Drop your images here

or

JPG and JPEG files, up to 30 MB each. Converted on your device — nothing is uploaded.

About the JPG to PNG

PNG is a lossless format, so converting a JPG to PNG preserves exactly the pixels that are in the JPG. What it cannot do is recover anything JPEG already discarded — the compression artefacts around edges and in flat areas are baked into the image, and they will be faithfully preserved rather than removed.

That is worth being clear about, because the commonest reason people make this conversion is a hope that it improves quality. It does not. What it does give you is a file that will not degrade further no matter how many times it is edited and resaved, which is genuinely useful if the image is going into a workflow with several rounds of editing.

The other real reason is compatibility. Some tools, print workflows and design applications expect PNG, and some upload forms accept nothing else. A conversion takes a second here and needs no software installed.

Expect the file to get considerably larger. PNG compresses losslessly, which works well for flat colour and text and poorly for photographs — a photo saved as PNG is routinely three to five times the size of the JPG. If size matters more than the format, the image compressor is the tool you want instead.

Everything runs in your browser using a canvas, so your images are never uploaded and there is no queue or file limit imposed by a server.

How to use the JPG to PNG

  1. Add your JPG files

    Drag them onto the page or browse. Several at once is fine and each is converted separately.

  2. Wait a moment

    Conversion happens immediately on your device — there is no upload, so even large images finish quickly.

  3. Check the size change

    Each file shows its before and after size. PNG is larger for photographs, and the tool says so rather than hiding it.

  4. Download

    Download each PNG individually or all of them at once. Your original files are untouched.

Frequently asked questions

Does converting JPG to PNG improve the quality?
No. PNG preserves exactly what is in the JPG, including the compression artefacts JPEG already introduced. Nothing that was discarded can be recovered — converting only stops further loss from future edits.
Why is the PNG so much bigger than the JPG?
PNG compresses losslessly, which suits flat colour and text but is inefficient for photographs. A photo saved as PNG is commonly three to five times the size of the equivalent JPG. That is the expected cost of losing nothing.
When should I actually use PNG?
When you need transparency, when the image is a screenshot, logo or diagram with flat colour and sharp edges, or when a file will be edited and resaved repeatedly and you do not want it degrading each time.
Will the transparency be preserved?
JPG has no transparency to preserve — that is one of the format's limits. The resulting PNG supports transparency, but nothing in the source image will be transparent.
Are my images uploaded?
No. They are decoded and re-encoded by your own browser, so nothing is transmitted and no copy exists anywhere but your device.

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