Sign Any PDF You Find Online — Directly From Your Browser
The NomaSign browser extension automatically detects PDF files as you browse and lets you send them for electronic signature in one click. No downloading. No uploading. Just sign.
Free to install · NomaSign account required · No credit card for trial
Sign PDFs Wherever You Find Them
Most PDF signing tools require you to download the file, log in to a separate site, upload it again, and then start the signing process. The NomaSign extension removes every one of those steps. Open a PDF in your browser — from any website, Google Drive, OneDrive, or your own computer — and sign it without ever leaving that tab.
Install from your browser's store
Click the Chrome or Edge button above. You'll be taken to the official store listing. Click 'Add to Chrome' or 'Get' on Edge.
Pin the extension to your toolbar
Click the Extensions (puzzle) icon in your browser toolbar, find NomaSign, and click the pin icon so it's always visible.
Open any PDF and click Sign
Browse to any PDF — online, from Google Drive, OneDrive, or your computer. The extension detects it and shows a 'Sign with NomaSign' button.
Everything You Need to Sign PDFs in the Browser
Automatic PDF Detection
The extension watches for PDF files as you browse. When it finds one, a 'Sign with NomaSign' button appears — no manual steps needed.
One-Click Signing Workflow
Click once to open the signing panel. Add signer email addresses, place signature fields, and send — all without leaving your browser tab.
Works With Local Files
Enable file URL access in one step and sign PDFs opened directly from your hard drive, desktop, or shared network drives.
Google & Microsoft 365 Integration
Open a PDF from Google Drive or OneDrive and sign it instantly. Completed documents are saved back to your cloud storage automatically.
Full Audit Trail
Every signature captured through the extension includes timestamps, IP addresses, and device information — the same evidence as the web app.
No App Needed for Signers
Signers receive a secure email link and sign in any browser. They don't need an account, the extension, or any software installed.
Who Uses the Extension
Accountants & Finance Teams
Clients send tax returns, financial statements, and engagement letters as email attachments. Open them in your browser and send straight back for signature — no extra steps.
See how →HR & Recruitment
Employment contracts and onboarding documents often live in a shared drive or HR system. Access them through your browser and send for signature without exporting.
See how →Sales & Consultants
Proposals and scope-of-work documents are often shared as PDFs. The extension lets you send them for signing the moment a conversation is ready to close.
See how →Real Estate Agents
Offers, lease agreements, and mandates come through email or portals as PDFs. Sign them instantly without switching apps or portals mid-workflow.
See how →Install the Extension — It's Free
Works in Google Chrome and Microsoft Edge. Sign PDFs from any website, Google Drive, OneDrive, or your own computer.
Already have an account? Go to the web app
Browser Extension FAQ
What does the NomaSign browser extension do?
The NomaSign extension automatically detects PDF files open in your browser and adds a 'Sign with NomaSign' button. Click it to instantly send the document for electronic signature — no downloading or uploading required.
Which browsers are supported?
The extension is available for Google Chrome and Microsoft Edge. Both use the same Manifest V3 extension and have equivalent features.
Is the browser extension free?
Yes, the extension itself is free to install. Signing documents requires a NomaSign account, which starts at R99/month with unlimited documents.
Can I sign PDFs stored on my computer?
Yes. After installing, you can enable 'Allow access to file URLs' in the extension settings to sign PDFs opened locally from your computer. The extension includes a step-by-step guide to enable this.
Does the extension work with Google Drive and OneDrive PDFs?
Yes. The extension integrates with Google Drive and Microsoft OneDrive. When you open a PDF from either platform, the extension detects it and lets you send it for signing with one click.
Is my data secure when using the extension?
The extension only acts when you click 'Sign'. It does not read or transmit any browsing data, history, or document contents without your explicit action. Documents are processed through the same secure NomaSign platform used by the web app.
Do my signers need to install the extension?
No. Your signers receive a secure email link and sign in their browser — no account, no app, and no extension required on their end.
Need the Full Web App Too?
The extension works together with the NomaSign web app — upload documents, manage signing sessions, track status, and store everything in your cloud.