Convert JPG to PNG
Convert JPG images to lossless PNG format.
Drop your JPG images here
Only JPG files accepted
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Why use PixelTools to convert jpg to png
Lossless output
PNG preserves every pixel. No compression artifacts, no quality loss. Ideal for editing and design work.
Edit-ready format
PNG works perfectly in Photoshop, Figma, Canva, and every image editor. It is the standard for web graphics.
Batch conversion
Convert all your JPGs at once. Download individually or as a ZIP.
No upload required
Your images are converted locally. Nothing is sent to any server.
Three steps to convert jpg to png
- 1
Drop your JPG or JPEG files
Drag one or more .jpg or .jpeg files onto the drop zone. The browser reads each file as a JPEG-encoded blob and decodes it into a raw pixel grid via the Canvas API — decompressing the lossy JPEG data into full, uncompressed RGBA values in memory.
- 2
Re-encode as PNG with lossless compression
Each decoded pixel grid is written to an HTML5 Canvas and exported using canvas.toBlob('image/png'). PNG applies DEFLATE lossless compression to the raw pixel data, so the artifact pattern already baked into the JPG is frozen as-is — no new degradation is introduced, but no lost detail is recovered either.
- 3
Download your PNG files
Each output file is a true lossless PNG. Download files individually or as a ZIP. From this point forward, the image can be re-saved in Photoshop, edited in Figma, or exported again as PNG without any additional compression loss.
Who converts JPG to PNG — and why
Designers, developers, and photographers convert JPG to PNG when they need a file that won't degrade further — either to add a transparent layer in Figma, import into Photoshop without compounding artifacts, or hand off assets that must stay pixel-stable through multiple edits.
UI designer preparing Figma assets
A JPG screenshot or photo imported into Figma cannot have its background removed or layers masked cleanly because JPEG compression bleeds edge pixels. Converting to PNG first gives Figma a crisp, stable pixel source before applying vector masks or background removal.
Photographer archiving edited exports
Re-saving a JPG in Lightroom or Photoshop adds another generation of lossy compression each time. Converting the current JPG to PNG creates a lossless checkpoint that can be reopened and re-exported indefinitely without further degradation.
Developer generating CSS sprites or favicons
Tools like ImageMagick, sharp, and Webpack image loaders all process PNG more predictably than JPG when tiling, cropping, or compositing because PNG channels contain no inter-block compression artifacts. Feeding a PNG source prevents artifact amplification during resize operations.
Graphic designer handling client-supplied photos
Clients often supply JPG logos or product photos that need a transparent background added in Illustrator or Affinity Photo. Converting to PNG first is required since JPG has no alpha channel — the PNG can then have its background cut out without re-introducing compression noise.
Content team preparing Webflow or Framer uploads
Webflow's built-in image optimizer and Framer's asset pipeline recompress JPG uploads, stacking a second round of lossy encoding on top of the original. Uploading a PNG instead lets the platform apply its own compression exactly once, from clean pixel data.
QA engineer comparing UI screenshots
Pixel-diff tools like Percy, Chromatic, and reg-suit compare screenshots at the pixel level. JPG artifacts create false positives in diff reports because compression varies by content. Using PNG screenshots eliminates codec-introduced noise so only genuine UI regressions are flagged.
Frequently asked questions
Why convert JPG to PNG?
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PNG is a lossless format that preserves every pixel exactly. This is useful for editing, graphic design, or when you need pixel-perfect quality without further compression artifacts.
Will the PNG be larger than the JPG?
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Usually yes, since PNG is lossless. The file size increase depends on the image complexity, but expect 2-5x larger files for photographs.
Does this add transparency?
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No. Converting JPG to PNG does not create transparency — the image keeps its existing appearance. PNG simply stores it in a lossless format.
Can I batch convert?
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Yes. Drop all your JPG files at once and download the PNGs individually or as a ZIP.
Are my images uploaded?
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No. Everything is processed locally in your browser. Your files never leave your device.
Is there a quality slider?
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No. PNG is a lossless format so there is no quality setting — every pixel is preserved exactly.
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