Does converting JPG to PNG improve quality?

No, and this is the key thing to understand. A JPG has already discarded detail. PNG is lossless, so it faithfully stores whatever the JPG contains — including its compression artefacts — but it cannot add back detail that is already gone. You get a larger, identical-looking copy, not a better one.

Why is the PNG bigger than the JPG?

Because PNG is lossless and JPG isn't. PNG stores every pixel exactly with no photographic compression, so for a photo it lands much heavier than the JPG. That extra weight buys you no visible quality, only lossless editing and wider tool support.

Is it free and private?

Yes. The conversion runs inside your browser, so the JPG is read from disk into the page and never uploaded. No account, no daily cap, and it works with your Wi-Fi off.

Will converting to PNG add transparency?

No. PNG supports transparency, but a JPG has none to carry over, so the PNG is fully opaque. Converting cannot invent a transparent background; that has to be created in an image editor.

JPG to PNG,
when a tool insists on it.

Q: So when should I actually convert JPG to PNG?

When something specifically requires PNG — an editor, an upload form, a pipeline — or when you want a lossless working copy to edit and re-save without the image degrading each time. For a photo that just needs to open somewhere, keep the JPG.

This one's worth being straight about: converting a JPG to PNG won't make it look better, and it'll make the file bigger. What it does buy you is a lossless format that picky tools accept and that you can edit without degrading. If that's what you need, it happens right here in the page, nothing uploaded.

Converter Last checked: July 2026

The short version

Reach for PNG when something requires it — an editor, an upload form, a print or design pipeline that only takes PNG — or when you want a lossless working copy to edit and re-save without the picture losing a little each time. Those are real, good reasons.

What PNG won't do is improve the image. Your JPG already threw detail away when it was saved; PNG stores whatever's left exactly, artefacts and all, and can't recover what's gone. And because it's lossless, the PNG will be larger — for a photo, often much larger. You're paying bytes for compatibility and clean editing, not for quality.

Convert JPG to PNG now

Opens with PNG already chosen under "Save as". Free, no account, no daily cap. Nothing uploads — the ledger shows the real size before you save.

Open the converter

Convert a JPG to PNG in three steps

Open the converter. The button above lands on the tool with PNG already selected under "Save as".
Add your JPGs. Drop, paste, or choose a folder. Read into the tab, never uploaded.
Save the PNGs. Each is re-encoded on your device — save individually or as one zip.

The genuine reasons to do it

A tool that only accepts PNG. Some editors, avatar uploaders and design pipelines refuse JPG outright. PNG makes the file go through.
A lossless base for editing. If you'll open, edit and re-save the image several times, working in PNG stops each save from shaving quality — then export to JPG once at the end.
Before adding transparency. You can't make a JPG transparent, but a PNG copy is the right starting point to cut a background out in an editor.

The honest caveats

It won't look better. This is the one people get wrong most. A JPG's lost detail is lost; PNG preserves the current picture, artefacts included, and can't restore anything. Same look, bigger file.
The PNG will be larger. Lossless means no photographic compression, so a photo PNG can be several times the JPG's size. If you only need the image to open somewhere, keep the JPG — it's smaller and opens everywhere.
No transparency appears. A JPG has none to carry, so the PNG is fully opaque. Transparency has to be created in an editor; converting can't invent it.
Nothing uploads, and you can prove it. Watch the Network tab, or switch off your Wi-Fi and convert anyway. EXIF metadata is dropped in the re-encode; rotation is applied.

Questions people actually ask

Will JPG to PNG make my photo sharper?: No. The detail a JPG dropped is gone, and PNG can't bring it back. You get an identical-looking, larger copy — useful for compatibility and editing, not for quality.
Why did the file get bigger?: Because PNG is lossless and stores every pixel exactly, with none of JPG's photographic compression. For a photo that's a much heavier file for no visible gain.
Then why convert at all?: Because a specific tool needs PNG, or because you want a lossless copy to edit and re-save without degrading it. Outside those cases, the JPG is usually the better keep.
Does it add a transparent background?: No. A JPG has no transparency to carry, so the PNG is opaque. You'd cut the background out afterwards in an editor.
Is JPG to PNG free, with no limit?: Yes — no account, no daily cap, no file limit. It runs on your device; for large PNG batches, saving file by file is steadier than one zip, and the app warns you.

Convert between other formats

Ready when you are

Convert one JPG and watch the ledger report the real size for your file. Free, unlimited, and nothing leaves your device.