JPG to PNG Converter

Convert JPG / JPEG photos to lossless PNG format in your browser.

How It Works & Processing Standards

Convert JPG / JPEG photos to lossless PNG format in your browser.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Desktop max file size: 40MB
  • Mobile max file size: 20MB

JPG to PNG Converter is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use JPG to PNG Converter

  1. 1
    Choose JPGSelect one or more JPG files to convert.
  2. 2
    ConvertBrowser converts images locally using HTML5 canvas.
  3. 3
    Download PNGSave your high-fidelity PNG output immediately.

Common Use Cases

  • Preparing graphics for transparent layering or software editing
  • Avoiding generational compression artifacts when re-saving images
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