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JPG to PNG Converter

Convert a JPG/JPEG image to PNG in your browser. The PNG re-encode is lossless, but it cannot recover detail JPG compression already discarded.

How to use this tool

  1. 1

    Click the file picker and choose a JPG/JPEG image from your device.

  2. 2

    Wait a moment while the image decodes and re-encodes to PNG.

  3. 3

    Check the preview that appears below the picker.

  4. 4

    Click 'Download PNG' to save the converted file, then repeat for the next image.

What does converting JPG to PNG actually do?

JPG (JPEG) is a lossy format: it discards image data during compression to shrink file size, which is why photos saved as JPG develop blocky artifacts and color banding. PNG is a lossless format that stores every pixel exactly. This tool decodes your JPG into a canvas and re-exports those pixels as PNG using the browser's built-in encoder. The key thing to understand is that converting does not restore quality. Whatever detail JPG already threw away is gone for good; the PNG simply preserves the current pixels without adding new compression artifacts. The practical payoff is editing safety. Every time you re-save a JPG, it compresses again and quality degrades a little more (generation loss). PNG sidesteps that, so it is the better working format while you crop, annotate, or composite. One trade-off to expect: because PNG stores photographic detail without lossy compression, the PNG output is often several times larger than the source JPG. Metadata such as EXIF camera info is also dropped, since the canvas only carries pixels. Modern browsers bake EXIF orientation into the pixels during decode, so the result is not rotated incorrectly.

Common use cases

  • Preparing a JPG photo for editing in a tool where you will re-save repeatedly, avoiding JPG generation loss on each save.

  • Supplying an image to an app, CMS, or printer that accepts PNG but rejects or mishandles JPG uploads.

  • Converting a logo or icon that was mistakenly exported as JPG into PNG before placing it on a layered design.

  • Producing a clean PNG copy for screenshots or diagrams that need crisp edges without JPG blocking.

  • Standardizing a folder of mixed images to PNG one at a time for a build pipeline or asset library.

  • Sharing an image where you want a lossless master copy rather than a recompressed JPG.

Frequently asked questions

Will converting to PNG make my JPG sharper or higher quality?
No. JPG quality loss is permanent. The PNG preserves exactly the pixels that are there now without adding further degradation, but it cannot recover detail the original JPG compression already discarded.
Why is the PNG file larger than my JPG?
PNG is lossless, so it stores all the photographic detail without the size-saving compression JPG uses. For photos, the resulting PNG is commonly several times larger than the source JPG. That is expected, not a bug.
Does this upload my image to a server?
No. The conversion runs entirely in your browser using a canvas and the built-in PNG encoder. Your image never leaves your device and is not sent anywhere.
Can I convert several images at once?
Not in one action. The picker handles a single file at a time, so convert and download one image, then select the next.
Does the PNG keep the JPG's EXIF or camera metadata?
No. The tool copies only the pixels onto a canvas, so EXIF data like camera model, GPS, and timestamps is dropped. Browsers apply EXIF orientation to the pixels during decode, so the image itself is not rotated the wrong way.
The picker says JPEG, but can it open other formats?
The file dialog is filtered to JPEG by default for convenience, but it is only a hint, not validation. If you pick another browser-readable image like PNG or WebP, it will still be decoded and re-exported as PNG.
Will transparency be added to my image?
No. JPG has no transparency, so the converted PNG is fully opaque. PNG supports an alpha channel, but converting from JPG cannot invent transparency that was never in the source.

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