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AutoTrace
What it is
AutoTrace is free desktop software that converts bitmap images into vector graphics. It can follow shape outlines or centerlines, reduce colors, and despeckle images to lessen noise. Listed inputs include PNG, BMP, TGA, PNM, and GF; installing ImageMagick or GraphicsMagick adds JPEG, TIFF, GIF, and other formats. Output choices include SVG, EPS, PDF, AI, DXF, CGM, EMF, MIF, ER, and Fig. The project documents command-line conversion and use through the libautotrace library. Installation options include package managers for macOS, Linux, and FreeBSD, Windows installers, or compiling from source. A source build needs a C compiler and GLib 2.58 or newer; libpng and ImageMagick or GraphicsMagick are optional dependencies. AutoTrace is licensed under GPL v2 or later, while libautotrace uses LGPL v2.1 or later. The project lists version 0.31.10 as its latest release, including ImageMagick 7 support and Windows installers. The README identifies Martin Weber as the original developer and describes the graphical frontend as inactive.
For and against
For
- Converts bitmap images to vectors
- Outline and centerline tracing
- Color reduction and despeckling
- Many vector output formats
- Command-line and library use
Against
- Graphical frontend is inactive
- Source builds require GLib 2.58
- Extra formats need ImageMagick or GraphicsMagick
The verdict
AutoTrace offers broad format support and several ways to integrate tracing into desktop or development workflows. Users seeking a graphical interface should note that the documented GUI frontend is inactive.
Who it suits
AutoTrace suits desktop users who need command-line or library-based bitmap-to-vector conversion. It is also relevant to developers and image-tool contributors working with its supported formats.
On the record
- Author
- The README names Martin Weber as the original developer and lists him under Author.github.com · read 28 Sep 2026
- Build requirement
- Building from source requires GLib 2.58 or newer; libpng and ImageMagick or GraphicsMagick are listed as optional dependencies.github.com · read 28 Sep 2026
- Build requirements
- Building from source requires a C compiler and GLib 2.58 or newer; libpng and ImageMagick or GraphicsMagick are listed as optional.github.com · read 29 Sep 2026
- Image cleanup
- It includes color reduction and despeckling features.github.com · read 29 Sep 2026
- Input formats
- Listed input formats include PNG, BMP, TGA, PNM, and GF; ImageMagick or GraphicsMagick adds JPEG, TIFF, GIF, and other formats.github.com · read 29 Sep 2026
- Installation
- The README lists macOS Homebrew and MacPorts, Fedora/RHEL and Arch Linux packages, FreeBSD packages, Windows installers, and source builds.github.com · read 29 Sep 2026
- License
- The program is licensed under GPL v2 or later, and the libautotrace library under LGPL v2.1 or later.github.com · read 28 Sep 2026
- Licensing
- The program is licensed under GPL v2 or later and the library under LGPL v2.1 or later.github.com · read 29 Sep 2026
- Notable limitation
- The README describes the GUI frontend as inactive.github.com · read 29 Sep 2026
- Output formats
- Listed output formats include SVG, EPS, PDF, AI, DXF, CGM, EMF, MIF, and Fig.github.com · read 29 Sep 2026
- Purpose
- AutoTrace converts bitmap images to vector graphics.github.com · read 29 Sep 2026
- Release
- The releases page lists version 0.31.10 as the latest release.github.com · read 29 Sep 2026
- Release note
- The 0.31.10 release notes list ImageMagick 7 support, addressed HKUST CVEs, and Windows 32-bit and 64-bit installers.github.com · read 28 Sep 2026
- Support
- The README directs users to the GitHub issue tracker and welcomes contributions.github.com · read 29 Sep 2026
- Support and contributions
- The README directs users to the issue tracker and welcomes contributions including bug fixes, documentation, format support, and image-editor plugins.github.com · read 28 Sep 2026
- Tracing
- It supports outline and centerline tracing of shapes.github.com · read 29 Sep 2026
- Usage
- The project documents command-line conversion and use as the libautotrace library.github.com · read 29 Sep 2026
