Digital Sign & Stamp
Apply a unique QR stamp containing signer identity, exact date & time, document hash and optional keywords. Looks and behaves like a physical rubber stamp.
PowerSign QR turns any document into a verifiable record. Embed unique QR stamps with date, time, user identity and keywords — just like a physical corporate stamp, but cryptographic and scannable anywhere.
Sign, verify, comment, forward, share and stamp keywords — all encoded in a simple, scannable QR.
Apply a unique QR stamp containing signer identity, exact date & time, document hash and optional keywords. Looks and behaves like a physical rubber stamp.
Anyone can scan the QR to open a verification page showing the original stamp data, timestamp and integrity status. No special app required.
Add official comments or keywords that travel with the document inside the QR payload — perfect for approvals, reviews and audit trails.
Generate shareable links or QR codes so colleagues can open, review or continue the workflow on any device — desktop or mobile.
Keep clean originals separate from stamped versions using the browser’s File System Access API (Chrome / Edge). Works with your Documents/Powersign_QR folder.
Add to home screen. Works offline for core features. Scan the QR on this page to install instantly on any modern phone or laptop.
Four simple steps from document to trusted, verifiable record.
Select a PDF from your device or from the Powersign_QR/Originals folder.
Choose action, add optional keywords/comments. We encode identity + timestamp + hash into a QR.
Place the QR stamp on the document. Save to Signed folder or download.
Anyone scans the QR → verification page confirms authenticity and details.
Point your phone camera at the QR code. You’ll be taken straight to this site where you can install PowerSign QR as an app — no app store required.
Scan with your phone camera
powersign.vercel.app