How-to guides
Merge PDFs Without Uploading
How StayPutPDF merges entirely in your browser, and why that matters for sensitive documents.
How to Merge PDF Files
Step-by-step instructions for combining PDFs into one document, with screenshots.
Merge PDFs With No Watermark
Why StayPutPDF never adds a watermark, on the free plan or Premium.
Merging PDFs on a Mac
Preview's built-in method compared with StayPutPDF's browser-based approach.
Sign a PDF, Free
Draw, type or upload your signature and place it on any page. No upload, no page limit.
Redact a PDF, Free
Black out names and numbers so they're removed from the file, not just covered.
Split PDF Online, Free
Pull out a page range or split a PDF into parts, right in your browser, no upload.
Compress a PDF Without Uploading
Shrink scans and big PDFs for email and upload limits, right in your browser.
Convert JPG to PDF
Turn one or more photos or screenshots into a single PDF, right in your browser.
Convert Word to PDF
Turn a .docx file into a PDF without uploading it anywhere.
Convert Excel to PDF
Turn a spreadsheet's sheets into clean PDF tables, no upload.
Organize PDF Pages
Rotate, reorder and remove pages, right in your browser.
Add Page Numbers to a PDF
Number every page in the position and style you choose.
Convert PDF to JPG
Every page as a JPG or PNG image, no upload.
Convert PDF to Word
Editable text in a simplified layout, honestly explained.
Extract Text From a PDF
Copy just the paragraphs you need, or the whole file.
Protect a PDF With a Password
AES-256 encryption, done in your browser.
For professionals
Merge PDFs for Lawyers
Combine exhibits and discovery files without privileged material touching a server.
Merge PDFs for Healthcare
Combine patient records and charts without PHI ever leaving your device.
Merge PDFs for Accountants
Combine invoices and statements without client financials touching a server.
Privacy & comparisons
Is It Safe to Upload Confidential PDFs?
What actually happens when you upload a document, and when it's a real risk.
What Your PDF Is Hiding
Seven places names and numbers hide in a PDF, and how to clean them out.
Security: Verify It Yourself
The airplane-mode test, every network request, and notes for HIPAA and GDPR.
How StayPutPDF Works Without a Server
A technical look at what runs in your browser, and how to verify it yourself.
StayPutPDF vs Smallpdf
What's actually different, side by side: uploads, watermarks and price.
StayPutPDF vs iLovePDF
What's actually different, side by side: uploads, watermarks and price.