SignFlow is a lightweight, dependency-free JavaScript signature capture and
printable document component for websites, internal tools, client approvals,
service agreements and document workflows.
The component runs entirely in the browser. It requires no backend, database,
API key, Node.js runtime or external JavaScript library.
KEY FEATURES
- Pure JavaScript and CSS
- Mouse, stylus and touch signature input
- High-DPI signature canvas
- Signer name, email and date
- Optional email field
- Agreement / acknowledgement checkbox
- Live document preview
- Ready-to-save status
- Download signature as PNG
- Print / Save as PDF through browser print dialog
- Responsive design
- Custom accent color
- Custom company, document title and document ID
- Configurable document copy
- getState() method for custom integrations
- 3 ready-made demos
- Full offline documentation
- Readable source files
- Compact production files
- No external runtime dependencies
- No external API or SaaS required
INCLUDED DEMOS
1. Service Agreement
2. Non-Disclosure Agreement
3. Freelancer Approval
TECHNOLOGY
HTML5, CSS3, Vanilla JavaScript
RUNTIME DEPENDENCIES
None
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Published:
04 Aug, 2026
Category:
Files Included:
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