Developer open-sources tool to convert a handwritten photo into an installable font

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A developer named Danilo Znamerovszkij has built and open-sourced a pipeline that converts a single photo of handwritten letters into a fully installable TTF font. The tool, released under the MIT license, runs entirely locally using Node.js 18+ with no system-level dependencies, relying on existing open-source libraries such as sharp, potrace, and svg2ttf. The pipeline processes images through six deterministic steps — including adaptive thresholding, blob detection, vectorization, and metric alignment — to produce TTF, WOFF, and WOFF2 font files. An optional Claude Code skill layer allows users to simply drag a photo into the AI interface and receive a finished font, with the model handling only letter labeling while all geometry stays on the user's machine. The project was motivated by the lack of free, frictionless alternatives to paid tools like Calligraphr, and is available on GitHub along with a live demo site.

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