image / file

JPG to PNG Converter

Turn compressed JPG files into PNG when you need a lossless output container.

Use this page when a workflow requires PNG output, but be explicit: converting JPG to PNG does not restore JPEG detail that is already gone.

Input
jpg, jpeg
Output
png
Engine
libvips
Speed
seconds
Upload block

Upload JPG

Supported input: jpg, jpeg. Current upload limit for this access path: 100 MB.

This dev runtime now calls the API for signed upload, quarantine storage, scan, queue handoff, and result download. External object storage and separate worker pools still come next.

Trust and limits

Every page should explain the rules before the user commits.

Files are deleted automatically
Secure processing path
Clear conversion limits
No signup for basic use

What stays

  • - visible pixels
  • - dimensions
  • - basic orientation

What may change

  • - original JPEG compression history cannot be undone

Known limitations

  • - does not recover hidden quality
  • - very large files should stay on paid or server-side limits

Typical use cases

  • - editing after email export
  • - uploading into tools that expect PNG

Available options

  • - strip metadata
  • - normalize color profile

FAQ

What happens during JPG to PNG conversion?

The output becomes a PNG file, but the visual data still reflects the original JPG compression.

Are uploaded files kept permanently?

No. The planned pipeline keeps files for a short retention window and serves downloads through expiring links.

Can quality or formatting change?

Yes. Each converter page calls out what is preserved, what may be lost, and which settings matter before upload.

Guides and comparisons

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