Click your point of aim, calibrate scale against two known reference points, then click each shot hole. Get extreme spread, mean radius, SD from POA, and a ready-to-dial windage/elevation zero adjustment in MOA or MIL — right from a photo of your target. Free to use, no account required.

LRS GROUP ANALYZER Drop a target photo to begin
DROP TARGET IMAGE
tap to browse · JPG · PNG · WEBP
Use a grid mark or known ring diameter to calibrate scale.
1
POINT OF AIM
Click bullseye
2
REFERENCE SCALE
Click 2 points
3
SHOT HOLES
Click each hole
Group Measurements
Shots
Extreme Spread
Mean Radius
SD from POA
Center Offset From POA
Horizontal
Vertical
Description (optional)
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Rifle & load profiles Cloud sync across devices Composite mean radius & SD Long-term trend tracking Import into Load Development Lab
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