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Zero-Data Privacy — Your PDF Never Leaves Your PC
Digital Signing,
Done Right.
Sign PDF documents with your physical DSC USB token. The document never leaves your computer — only the cryptographic hash does.
✔ IT Act 2000 Compliant
✔ No Per-Sign Cost
✔ Works with USB DSC Tokens
✔ Zero-Data Architecture
How It Works
Three Steps to Legally Signed PDFs
01
📤
Upload & Hash
Drop your PDF onto the dashboard. SHA-256 is computed locally in your browser. The actual document stays on your machine.
02
🔑
Sign with DSC Token
The NEEDLY Bridge app communicates with your physical USB DSC token (ePass2003, Watchdata, ProxKey). Enter PIN once.
03
📥
Download Signed PDF
A QR code linked to your verification record is embedded. The signed PDF downloads directly — never stored on our servers.
DSC Compatibility
Works With Your Token
🔐 ePass2003
🔐 Watchdata
🔐 ProxKey
🔐 eMudhra
Support
We're Here to Help
Facing any issue? Call our dedicated support team directly.
We'll help you get signed and sorted fast.
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Available Mon–Sat | 9:00 AM – 6:00 PM
✉ Or email us at support@needly.in