Convert JPG to PNG
Turn JPG photos into lossless PNGs, ready for editing, privately in your browser.
How to convert JPG to PNG
- 1
Add JPG images
Drop in one JPG or a whole batch.
- 2
Convert
Each image is decoded and re-encoded as lossless PNG on your device.
- 3
Download
A single image downloads directly; multiple files arrive as one ZIP.
Why convert JPG to PNG privately?
Converting a photo should not require uploading it. Online converters take your image, process it on their server and hand it back, which means a copy of a personal photo now lives on infrastructure you know nothing about. The conversion itself is something your browser can already do: decode the JPG, re-encode it losslessly as PNG, done. PDFMergely just uses that, so the file never leaves your device. Batch a folder and it downloads as a single ZIP.
Frequently asked questions
Does converting to PNG improve the image quality?+
No, and it is worth being clear about that. JPG discards information when it is first saved, and no conversion can bring it back. What PNG gives you is a lossless container from here on: every subsequent edit and re-save keeps the pixels exactly as they are, instead of compounding JPG artefacts each time.
Why is the PNG larger than the JPG?+
Expected. PNG stores pixels losslessly, so a photo saved as PNG is routinely several times the size of the JPG it came from. That is the trade you are making: bigger file, no further degradation. For sharing rather than editing, the JPG is usually the better choice.
When should I convert JPG to PNG?+
When the image is going into an editor, a design tool or a document where it will be re-saved repeatedly, or when you need a format that supports transparency for the edits you are about to make. Converting alone does not add transparency; it lets you add it.
Are my images uploaded?+
No. Your browser decodes and re-encodes every image on your device. Nothing is sent anywhere.
Is it free?+
Yes, completely free with no sign-up and no limits.