
Image FFT
Run 2D FFTs on images
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$1.99
About
Run a 2D Fast Fourier Transform on your camera feed, or on photos loaded from your camera roll.
- Adjustable thresholds: Adjust the low and high threshold levels with sliders at the top of the screen
- Adjustable resolution: Choose from Low (128²), Medium (256²), or High (512²).
- Save the FFT output side-by-side with the processed image.
This app is 100% offline, and processes no data in the cloud.
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What's New in Image FFT
1.2
June 12, 2026
Improves the camera feed and enables close-up capture.






