Inkscape Trace Bitmap Settings Guide
Inkscape's Trace Bitmap function is the core tool for converting raster images to vector paths. It offers several scanning modes, each suited to different image types.
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Open Protected Vector PreviewAbout Inkscape Trace Bitmap settings
Inkscape's Trace Bitmap converts a raster image to vector paths using one of several algorithms. Choosing the right mode is the most important decision in the trace workflow.
Available trace modes: - Brightness Cutoff: converts to a single black path based on pixel brightness. Best for simple black-and-white clipart or logos. - Edge Detection: traces the boundaries between light and dark areas. Useful for outlines and line drawings. - Colour Quantisation: separates the image into multiple colour paths. Best for logos with distinct flat colour zones. - Greyscale: creates a gradient-mapped vector. Rarely used for cutting workflows.
Getting the best trace result in Inkscape: - Start with a clean, high-resolution PNG (at least 1000px on the longest edge) - Remove the background in a photo editor before tracing — Inkscape Trace Bitmap struggles with complex backgrounds - Increase the image size to 300% on canvas before tracing to improve edge resolution - Use Colours mode with 2–8 colour passes for logos; more passes slow the process significantly - After tracing, run Path > Simplify (Ctrl+L) to reduce node count
Limitations of Inkscape tracing: - Curved paths are approximated with polylines rather than true Bézier curves - Colour separation at zone boundaries is imprecise without clean source files