PDF Guides
Practical answers to common PDF questions, each linked to the working tool that solves it.
How Browser-Based PDF Processing Protects Your Privacy
A look at what actually happens — and doesn't happen — when you use a PDF tool that runs entirely in your browser instead of on a server.
Electronic Signature vs. Digital Signature: What's the Difference?
These two terms get used interchangeably, but they mean very different things technically and legally. Here's the actual distinction.
How OCR Makes Scanned PDFs Searchable
A practical look at how PageFlow's local OCR recognizes text in scanned pages, and what to expect from the results.
Why a PDF Is Not Searchable (and How to Fix It)
If Ctrl+F finds nothing in your PDF, it's probably a scanned image rather than real text. Here's why, and what to do about it.
How to Unlock a PDF When You Know the Password
Remove password protection from a PDF using its correct password, and export an unprotected copy — no cracking involved.
How to Password-Protect a PDF
Add a password required to open your PDF, encrypted entirely in your browser — PageFlow never sees or stores it.
How to Sign a PDF Online
Add a visible signature to a PDF by drawing, typing, or uploading an image — processed locally, with no account required.
How to Crop PDF Margins
Trim excess whitespace or unwanted content from PDF pages using a visual crop box or exact numeric margins.
How to Remove Pages From a PDF
Delete unwanted pages from a PDF and export the remainder as a new file — your original stays untouched.
How to Extract Specific Pages From a PDF
Pull out just the pages you need and save them as a new, smaller PDF — without touching the original file.
How to Split a PDF Into Separate Pages
Turn one PDF into several smaller files by page ranges, every N pages, or one file per page — processed locally in your browser.
How to Merge PDF Files Without Uploading Them
Combine multiple PDFs into one document entirely in your browser — no upload, no account, and your originals stay untouched.