How to Merge PDF Files for Free in 2026
A practical guide to combining multiple PDFs into one file — comparing online tools, desktop apps, and command-line methods.
6 min read
Blog
Guides, tips, and tutorials for working with PDFs.
How to Split a PDF into Multiple Files
Learn how to split PDF documents by page range, individual pages, or bookmarks — using free browser tools, desktop apps, and the command line.
7 min read
How to Compress a PDF Without Losing Quality
Understand PDF compression types — lossless vs lossy, image downsampling, font subsetting — and learn which settings shrink files without degrading output.
7 min read
Convert PDF to Word — Methods Compared
A thorough comparison of every practical way to convert PDFs to editable Word documents — from built-in tools to command-line scripts.
8 min read
Convert PDF to JPG for Printing and Web
Choose the right DPI, JPEG quality, and color settings when converting PDF pages to images — for screen sharing, slide decks, e-commerce, and professional print.
7 min read
How to Password Protect a PDF
Step-by-step methods for locking down a PDF with a password — using macOS Preview, Windows, LibreOffice, the command line, and browser-based tools.
7 min read
Unlock a Password-Protected PDF Legally
How to remove owner and user passwords from PDFs you own — covering qpdf, Ghostscript, Python, browser tools, and the legal boundaries of PDF unlocking.
8 min read
OCR — Turn Scanned PDFs into Searchable Text
How OCR works, which engines to use, language support, and practical tips for turning scanned documents into searchable, selectable PDFs.
7 min read
Add a Watermark to Your PDF
Use cases for PDF watermarks — draft stamps, confidentiality markers, branding — plus positioning tips, opacity settings, and how to avoid common mistakes.
8 min read
Sign a PDF Without Printing It
How to sign PDFs electronically on any device — e-signatures vs. digital signatures, legal validity, methods for Mac, Windows, iPhone, Android, and the browser.
8 min read
10 Things You Didn't Know PDFs Could Do
Interactive forms, 3D models, embedded video, cryptographic signatures, archival preservation — the PDF spec is far more capable than most people realize.
7 min read
iLovePDF vs PDF Toolkit — Which Is Right for You?
An honest feature-by-feature comparison of iLovePDF and PDF Toolkit — covering privacy, pricing, tool coverage, and when each one makes more sense.
8 min read