Signature Maker
https://github.com/docusealco/signature-maker-js- Category
- Developer Tools
- Rank
- No. 1874Tools index
Previous survey · No. 1881 ·
- Pricing
- Open Source
- Type
- TOOL
- Builder
- docusealco
- Date
About
Lightweight vanilla JavaScript signature pad for capturing handwritten signatures in web apps. Easy to embed, framework-agnostic.
What it does
Signature Maker presents one browser component where a user can draw, type, or upload a signature. The result can download directly, populate a form field, or reach application code as base64 data through save and change events.
Why it's ranked here
The tool solves a narrow integration problem with little ceremony. It offers three input modes, sensible default controls, direct form participation, and event-based handoff to application code. Extensive attribute-based presentation options make it practical when the surrounding product already owns storage and workflow.
What's good
Teams can adopt it through npm, Yarn, or a hosted script. The component includes undo, clear, submit, color selection, configurable input modes, and default styling. Labels, classes, and inline styles can be replaced through attributes. Save and change events expose base64 output, while embedded forms can receive the signature through a field.
Tradeoffs
Its scope stops at capturing signature data. Server upload remains application code, and the supplied text describes no storage, identity checks, document placement, or signing workflow. Styling customization relies on a long attribute surface. The package also carries a runtime dependency on the signature pad library, while the source shown is truncated and no testing setup is presented.
How to use it well
Use it when a browser form or focused signing step needs configurable signature capture and your application already handles submission, persistence, and surrounding business rules. Choose event handling for background uploads or custom saves, and form integration for conventional submissions. Do not treat it as a complete electronic-signature or document workflow system.
Technical notes+
README.md documents npm, Yarn, and CDN installation, plus save and change events whose detail contains base64 data. package.json exposes CommonJS and ES module entry points, publishes only the distribution directory, depends on signature_pad, and defines a single build script. src/index.js defines a custom HTMLElement with observed data attributes, default labels, default inline styles, input-mode controls, and reactive setters; the supplied source is truncated. esbuild.config.js bundles src/index.js into minified ESM and CommonJS builds without source maps. LICENSE contains the MIT license text.
Observed
- License
- MIT
- Primary language
- JavaScript
- Packaging
- Published as @docuseal/signature-maker-js through npm, with Yarn and CDN installation documented
- Interface
- Browser web component with HTML attributes and save and change events
- Module formats
- CommonJS and ES module entry points are declared
- Runtime dependency
- Depends on signature_pad
- Build tooling
- Uses esbuild to create bundled, minified ESM and CommonJS output
Read from README.md, package.json, src/index.js, esbuild.config.js, LICENSE.
What it can do
Capture handwritten signatures
Mouse or touch input on signature pad → Digital signature data
Export signature as image
Captured signature data → Image file (PNG, JPEG, or SVG)
Clear signature pad
User clear command → Empty signature pad
Embed signature pad in web application
HTML/JavaScript integration code → Interactive signature capture interface
Validate signature completion
Signature pad state → Boolean validation result
Resize signature canvas
Canvas dimensions parameters → Resized signature capture area
Tags
Tech Stack
Media
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