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JPG to PNG converter
Free JPG to PNG converter in your browser. Files stay on this device. Nothing is uploaded.
Drop images here
or click to choose. Paste works too.
Files never leave this device. Conversion runs in your browser.
Why convert JPG to PNG?
JPG stores lossy photo data without transparency. Converting to PNG locks the current pixels into a lossless file and unlocks an alpha channel for further edits — but it cannot undo JPEG compression artifacts that are already there.
What changes in the file
- File size usually grows because PNG is lossless
- Transparency becomes available for later edits
- Existing JPEG block artifacts stay in the pixels
- EXIF can be kept or stripped on export
How to convert JPG to PNG
- Drop one or more JPG files onto the converter (or pick them from disk).
- Confirm the output is set to PNG, then adjust quality, size, or metadata if needed.
- Download the converted PNG file — processing never left your browser.
About JPG
JPG (JPEG) is a lossy raster format built for photographs. It shrinks file size by discarding detail the eye is less likely to notice, which makes it a default for cameras, email, and the open web.
About PNG
PNG is a lossless raster format with optional transparency. Pixels are preserved exactly, so it is the usual choice for screenshots, UI, logos, and any image that needs a clean alpha channel.
Common questions
Is this JPG to PNG converter free?
Yes. Formatly converts JPG to PNG in the browser at no charge and without an account.
Do you upload my JPG files?
No. Decoding and encoding run locally with browser APIs and WebAssembly codecs when needed. Files stay on this device.
Will converting JPG to PNG reduce quality?
PNG is lossless, so the export keeps the decoded pixels. If the source was already lossy (JPG), prior compression artifacts remain.