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FastStone Image ViewerLyn
Free

Free for personal use. Commercial use requires a paid licence, and the related FastStone…

 Paid

Paid app with a fully featured 15-day free trial.

Windows macOS
  • Handles every common format including HEIC, WebP, PSD, PDF and camera raw
  • Browser, viewer, basic editor and batch converter in one small program
  • Reads RAW, HDR and all formats macOS supports
  • Non-destructive editing with curves and levels
  • Free for personal use only; commercial use requires a licence
  • Windows only
  • macOS only
  • Paid after the 15-day trial
Downloadable app Downloadable app
Closed source Closed source
License not stated License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 21, 2026

Checked September 24, 2026

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