Load an image and trace over it with your pen.
Pen draws · one finger pans · two fingers pinch-zoom · wheel zooms.
Pressure is captured and drawn as variable-width ink.
Tracer quick guide
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Load a reference image, fade it back, trace on layers, then save JSON or export SVG.
First session
Use Image to load a reference.
Lower Image opacity so your strokes stand out.
Draw with pen or mouse. One finger pans; two fingers pinch-zoom.
Save JSON to continue later. Export SVG for vector/plotter handoff.
Remember
JSON is the working project file.
SVG contains visible drawing layers, not the reference image.
If pressure width behaves badly, turn Pressure width off and export fixed-width paths.
Open full user guide · First-session workflow
Diagnostics
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Use this when checking a browser, stylus, PWA install, or export issue.
Pointer Events not checked
Pressure no pen samples yet
Folder not checked
Service worker not checked
Export mode not checked
Open feedback template
Zoom 100%
Strokes 0
Points 0
Drop image to trace