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DippiPixelSnap
Free

Free and open source under GPL-3.0-or-later.

 Paid

Paid licence with a 30-day money-back guarantee.

Linux macOS
  • Calculates display DPI and aspect ratio from size and resolution
  • Classifies density from very low DPI to ideal for HiDPI
  • Fast edge detection for measuring on-screen objects
  • Snappable guides and multiple object measurement
  • Designed primarily for GNOME and Linux
  • macOS only
  • Paid with no free tier
Downloadable app Downloadable app
Open source Closed source
License: GPL-3.0-or-later License not stated
Not stated if an account is needed Not stated if an account is needed
Works offline Works offline

Checked October 8, 2026

Checked October 1, 2026

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