JPG to PNG: stop the quality bleed
Every time a JPG is edited and saved as JPG again, it loses a little more detail — compression artefacts stack like photocopies of photocopies. The classic defence is to convert the image to PNG before the editing begins: PNG is lossless, so from that point on, every save preserves every pixel. Add the cases where a system simply demands PNG — many printing services, app stores, certain CMS fields and design pipelines — and this small converter earns a permanent place in your toolbox. Drop JPGs, get PNGs, nothing uploaded.
How to convert JPG to PNG
- Drag one or more JPG files into the drop zone.
- Click Convert.
- A single image downloads instantly; batches appear in a list with a Download all button.
What PNG does and doesn't fix
An honest note that most converter sites skip: converting JPG to PNG prevents future loss — it cannot restore detail the JPG compression already discarded. The artefacts present in your JPG are faithfully preserved in the PNG, just never made worse again. Think of it as laminating a document: the lamination protects it from further wear but doesn't undo existing creases. For best results, always convert from the highest-quality JPG you have, ideally the camera original.
When PNG is genuinely the better container
- Repeated editing: crop today, adjust colours tomorrow, annotate next week — in PNG, the third edit is as clean as the first.
- Graphics extracted from photos: if you're cutting a logo or signature out of a photo, the PNG output supports the transparency you'll add in an editor.
- Pixel-exact requirements: medical imaging, document evidence and design assets often mandate lossless formats.
- Text in images: JPG smears hard edges; once converted, screenshots-of-photos with text won't degrade further.
Size expectations
PNG files of photographic content are large — often 5–10× the JPG. That's the cost of losslessness on complex imagery, not a malfunction. It also means PNG is a poor delivery format for photos on the web; the professional pattern is PNG (or camera RAW) as the working master, exported to JPG or WEBP for publishing. Our Compress Image and PNG to WEBP tools cover that publishing step when you're ready.
Convert once, edit forever, lose nothing — that's the whole pitch, and it runs entirely on your device.
Quick reference
| Property | Detail |
|---|---|
| Input | JPG / JPEG images |
| Output | PNG (lossless) |
| Batch support | Yes, with Download all |
| Quality | Pixel-exact copy of the decoded JPG |
| File size | Typically 5–10× larger than the JPG |
| Best for | Editing masters, lossless pipelines, PNG-only uploads |
| Processing | 100% in-browser, no upload |
Frequently asked questions
Will converting to PNG improve my photo's quality?
No — and any site claiming otherwise is misleading you. PNG preserves exactly the pixels your JPG currently has and prevents any further loss in future edits. Existing JPG artefacts remain; new ones can never appear.
Why is the PNG so much bigger than my JPG?
PNG stores photographic detail losslessly, which is inherently expensive. 5–10× growth is normal. Use PNG as a working master; deliver photos as JPG or WEBP.
Does the PNG get transparency?
The converted file supports transparency as a format, but a photo has no transparent pixels to start with — every pixel stays opaque. You can add transparency afterwards in any editor without quality loss.
Can I convert many JPGs at once?
Yes — drop a whole batch, click Convert, then use Download all. Names are kept, only the extension changes to .png.