Tsunami Stack and Stretch is a simple, easy to use astrophotography stacking and stretching app, especially made for people just getting into the hobby - though advanced imagers will also appreciate many of its features as well.

  1. Add your files

  2. Tap the “Stack button” and the program will quickly calibrate and stack your images.

  3. You’re then presented with a preview and can make adjustments prior to committing the final stretch and save.

Note: The current version is for Windows only. We’re working on future releases that will include macOS and Linux.