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Click here for Windows download

Downloads

The TruNeg app for macOS is priced at US$35.00

The TruNeg app for Windows is priced at US$35.00

A grayscale calibration chart titled 'TruNeg Calibration Negative' with three horizontal grayscale bars and a color gradient at the top, labeled with numeric values
Grayscale gradient bar from black to white with RGB and grayscale values labeled above. The bar is titled "TruNeg Stepwedge - 128 Steps - RGB 6 to RGB 248" and credits John Riches 2025.
A barcode with vertical black lines of varying thickness and a gradient bar below with grayscale color squares labeled T0 to T18.
A grayscale grayscale gradient bar ranging from black on the left (T0) to white on the right (T18), with labeled segments T0 through T18.
A simple drawing of a circle with crosshairs dividing it into four quadrants.
Calibration Negative
Gradient Stepwedge
Test Strip Template
TruNeg Stepwedge
Registration Marker