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czSignature.js: A JavaScript library that creates pressure-sensitive digital signatures

A modern, lightweight, and event-driven JavaScript library for creating beautiful, pressure-sensitive digital signatures.

Built with an ES6 Class structure, a clean event-based architecture using Pointer Events, and extensive customization options.

Key features:

  • Pressure sensitivity with velocity-based fallback
  • Event-driven design for UI integration
  • SVG and high-DPI PNG export options
  • Signature serialization for database storage
  • Advanced stroke smoothing algorithms

Perfect for e-signature apps, document management, and creative tools.

The library handles cross-device input uniformly and provides extensive customization options.

๐Ÿ‘‰ Blog Post

๐Ÿ‘‰ GitHub Repo

๐Ÿ‘‰ Live Demo

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