One-Click Gmail PDF Signer

Sign PDF attachments in Gmail — no downloads, no third-party uploads. Draw or upload your signature, place it, and send in seconds.

As of June 2026, One-Click Gmail PDF Signer has 11 users in the Productivity category.

Productivity

Chrome Web Store ↗.crx

Users+83.3%

Rating0%

—

— reviews

Reviews0%

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Version

1.4

Manifest V3

History

7 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	6	—	—	1.4
Apr 21, 2026	7	—	—	1.4
Apr 28, 2026	6	—	—	1.4
May 6, 2026	9	—	—	1.4
May 11, 2026	8	—	—	1.4
May 17, 2026	7	—	—	1.4
May 23, 2026	10	—	—	1.4
Now	11	—	—	1.4

Permissions & access

Permissions: None declared
Host access: https://mail.google.com/*

Screenshots

About

How it works:
1. Open any email with a PDF attachment in Gmail
2. Click the ✏️ Sign PDF button next to the attachment
3. Draw or upload your signature, then drag it anywhere on the document
4. Download the signed PDF or attach it directly to a reply

Features:
- Draw your signature with a mouse or trackpad
- Upload an image as a signature (PNG, JPG, etc.)
- Paste an image from clipboard
- Save signatures for reuse across sessions
- Place multiple signatures on any page
- Stamp a signature to all pages at once
- Resize and reposition signatures freely
- Undo (Cmd+Z) support
- Multi-page PDF support with page navigation and zoom
- Attach the signed PDF to a new email, a reply, or a reply-all — without leaving Gmail

Your PDF never leaves your browser. Everything is processed locally.