Enterprise-Grade E-Signatures.
Zero Cost. No Excuses.
Everything fee-based document signing platforms offer — legally binding in 50+ countries, free forever.
Everything fee-based platforms charge for. Built open.
Drag-and-Drop Signature Canvas
Place signature, initials, date, and text fields anywhere on your PDF. Assign each field to a specific recipient with a single click.
Legally Binding in 50+ Countries
ESIGN Act, EU eIDAS, and UETA compliant. Every signature carries a tamper-evident audit trail.
SHA-256 Document Integrity
Every document is hashed on upload. Any post-signature modification is instantly detectable.
No Account Required to Sign
Recipients receive a secure link and verify via OTP. They sign and leave — no account, no tracking, no friction.
Certificate of Completion
Auto-generated PDF certificate with timestamps, IP addresses, and cryptographic proof for every completed envelope.
Self-Hostable. MIT Licensed.
Run it on your own infrastructure. No vendor lock-in, no per-seat fees, no surprise invoices.
From upload to signed in minutes.
Upload Your Document
Drag in any PDF. Free2Sign hashes it immediately so any future tampering is detectable.
Place Fields & Assign Recipients
Drop signature, date, and text fields onto the canvas. Set signing order and recipient emails.
Recipients Sign via Secure Link
Each signer gets a unique link, verifies with OTP, and signs — no account needed.
Download the Signed Certificate
Once all parties sign, download the completed PDF with the embedded audit trail and OSG serial.
Verify any signature in seconds.
Enter an OSG serial number or upload a signed PDF. Free2Sign recomputes the SHA-256 hash client-side and compares it against the cryptographic receipt — no data ever leaves your browser.
Verify a Signature
Stop Paying Per Signature.
Free2Sign is free forever. Open source. No seat limits. No per-envelope fees. Just signatures.