E-signatures · Audit-trailed · Cryptographically sealed

Send. Sign. Sealed. Documents signed in minutes, not days.

PTR e-Sign sends your PDF to anyone for signature — they sign from any device via a secure email link, no account needed. You get back a stamped, cryptographically sealed PDF with a complete audit-trail certificate, built for 21 CFR Part 11 and IT Act 2000 compliance.

✍ Start sending for signature See how it works
Signers need no account — a secure email link is all it takes · Works on any device

From upload to sealed PDF in five steps

Upload your PDF

Any PDF up to 25 MB — contracts, offer letters, quality agreements, approvals, NDAs.

Place the fields

Drag signature, initials, date, text, name, email, dropdown and checkbox fields exactly where they belong on the document.

Add recipients in order

Up to 10 signers, signing sequentially — recipient 2 is invited automatically only after recipient 1 has signed.

They sign from anywhere

Each signer gets a secure one-time email link — draw, type or upload their signature from any phone or computer. No account, no app.

Sealed & delivered

Everyone receives the final PDF: fields stamped, completion certificate appended, and the whole file cryptographically sealed.

Signatures that stand up to scrutiny

Built by the team behind Training Master Pro and InstruManage — the same 21 CFR Part 11 discipline, applied to signatures.

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Drag-drop field editor

Place signature, initials, date, text, name, email, dropdown and checkbox fields visually on the rendered PDF — per recipient, required or optional.

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Magic-link signing

Signers authenticate with a cryptographic 64-character one-time token in their email — no passwords, no registration, rate-limited against abuse.

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Sequential workflow

Strict signing order enforced server-side — it is never "your turn" until the previous signer finishes. Reminders and voiding at any point.

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Three ways to sign

Draw with mouse or finger, type a name rendered as a signature, or upload a signature image — the signer chooses.

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Completion certificate

Every finished document gets an appended certificate: signer identities, IPs, timestamps, SHA-256 of the source, and the complete append-only event timeline.

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Cryptographic seal

The final PDF is signed with an RSA-2048 PKCS#7 signature embedded in the file — any byte-level tampering afterwards visibly breaks the seal in Adobe Reader.

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Append-only audit trail

Database triggers make the audit log physically impossible to edit or delete — aligned to 21 CFR Part 11 §11.10(e).

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Legally grounded

Designed around IT Act 2000 §3 (India), ESIGN Act / UETA (US) and 21 CFR Part 11 signature manifestation and record-linking requirements.

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Pay by UPI

Subscribe in minutes — scan a QR with any UPI app, submit your reference, and your account is activated.

Simple subscription

One subscription, unlimited signature requests during your plan.

6 months

₹1999
one payment · 6 months of sending
  • Unlimited signature requests
  • Up to 10 sequential signers each
  • Certificate + cryptographic seal
  • UPI / QR payment
Choose 6 months

12 months

₹2999
one payment · a full year of sending
  • Everything in the 6-month plan
  • Best value for regular senders
  • Priority support
  • UPI / QR payment
Choose 12 months

Stop chasing printouts and scanned signatures

Create your account, subscribe by UPI, upload your first PDF — and get it back signed, certified and sealed.

✍ Start sending for signature

Questions? Write to sindhushakti01@gmail.com

PTR e-Sign provides electronic-signature workflow tooling. Legal validity of any signed document depends on the laws applicable to your document type and jurisdiction; consult your legal advisor for regulated or high-value instruments requiring notarisation or qualified certificates.