One-Click Gmail PDF Signer by EasyMuse!
Sign PDF attachments directly in Gmail — no downloads, no third-party uploads. Draw or upload your signature, place it anywhere, and download or reply with the signed PDF in seconds.
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About this extension
Sign PDF attachments directly in Gmail — no downloads, no third-party uploads, no account needed.
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.
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.
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Permissions and data
Required permissions:
- Access your data for mail.google.com
Optional permissions:
- Access your data for mail.google.com
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.4
- Size
- 2.39 MB
- Last updated
- 11 days ago (Feb 27, 2026)
- Related Categories
- License
- All Rights Reserved
- Version History
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