Privessa

JPG to PNG

Convert JPG photos to PNG when a lossless container is required.

Image tools Client-side Canvas

Tool preview

How to use it

  1. 01

    Drop JPG files.

  2. 02

    Press convert.

  3. 03

    Download the PNG output.

Limitations

FAQ

Will the quality improve?

No, the damage from the original JPEG compression is permanent.

Why is the PNG so big?

PNG stores every pixel losslessly instead of approximating blocks.

Does it add transparency?

No, the image stays fully opaque.

Files never leave your device

Processing happens in your browser using the File API, WebAssembly and Web Workers. There is no upload endpoint.

Technical details

Processing
Client-side
Implementation
Canvas
Category
Image tools
Network requests
None while processing

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