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PicSharpTiny Image
Free

Free and open source under the AGPL-3.0 license.

 Free

The app is free and open source under the MIT license.

Windows, macOS, Linux macOS
  • Batch compression and watched folders
  • Local compression with lossy and lossless options
  • Compresses images through the TinyPNG service
  • Converts PNG, JPEG, AVIF, and WebP
  • TinyPNG compression requires an internet connection and API key.
  • Uses TinyPNG's online service
  • macOS 13 or later is required for version 2.0 and newer
Downloadable app Downloadable app
Open source Open source
License: AGPL-3.0 License: MIT
Not stated if an account is needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 4, 2026

Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.