Open PDF files from Gmail and Google Drive directly in What a PDF! to edit, sign, compress and more.
Users
11
0 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#195K
#163K among extensions
Version
2.1.9
updated 10 Jul 2026
Users
monthly, 10 months
Latest, 21 Oct 2026:11 usersMove the mouse over the chart for any month
Ratings count
monthly, 10 months
Latest, 21 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About What a PDF! for Gmail & Drive
Open PDF attachments from Gmail directly in What a PDF!. Edit, sign, compress, merge and more - with just one click.
What a PDF!. for Gmail lets you open PDF attachments directly from your inbox to edit, sign, compress, and more.
✨ FEATURES
- Open PDF attachments with one click
- Sign documents digitally
- Compress PDFs to reduce file size
- Merge multiple PDFs into one
- Split PDFs into separate pages
- Convert PDFs to other formats
- Rotate and organize pages
- Add password protection
🔒 PRIVACY & SECURITY
- We never read your emails
- Files are processed securely
- No data is stored permanently
- Your privacy is our priority
📧 HOW IT WORKS
1. Open an email with PDF attachments in Gmail
2. Click the "PDF Ninja" button on any PDF attachment
3. The PDF opens automatically in PDF Ninja
4. Choose your tool and edit your document
5. Download your edited PDF
🌐 Powered by pdf-ninja.io - Free online PDF tools
💡 Perfect for:
- Signing contracts and documents
- Compressing large PDFs before sending
- Merging multiple invoices or reports
- Extracting specific pages from documents
Questions or feedback? Contact us at whatapdf.com/contact