The FreePdfTools blog
Guides & explainers
Short, practical reading for the file chores everyone meets: forms that reject your PDF, photos too big to send, formats nobody explained. One new article every day.
Why Browser-Based Tools Keep Your Files Private
Upload-based tools copy your documents to a stranger's server. Browser tools never see them at all. Here is the difference, and how to test it.
6 NovSign a Document Without a Printer (or a Scanner)
Draw your signature once, place it on the right page, and send back a signed PDF — no print-sign-scan round trip.
6 NovPassword-Protect a PDF Before You Share It
Why emailing an unprotected contract is a risk, how AES-256 protection works, and the habits that keep the password useful.
6 NovPNG, JPG or WebP: Which Format Should You Use?
A ten-second decision guide for photos, screenshots, logos and web graphics — and how to convert between them.
6 NovShrink a PDF for Email and Upload Forms That Reject Big Files
Diagnose why a PDF is heavy, then shrink it under email and form limits without turning text into mush.
6 NovMerge PDF Files Like a Pro: Order, Quality and Clean Results
Combine contracts, scans and chapters into one tidy PDF — in the right order, at full quality, without uploading anything.