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How to Compare Two PDF Files for Free

Compare two PDF files for free and see every text difference between versions, without scrolling through both documents by hand.

Merge PDF files for free without an Adobe Acrobat subscription. Free browser tool, works on any device, no install required.

Split a PDF into separate files or extract single pages on Windows for free, no software install required.

Add a password to a PDF for free in under a minute using a browser tool. Also covers removing a password you already know.

Turn a scanned PDF into searchable, selectable text for free using OCR. Learn how to tell if your PDF needs it and what affects accuracy.

Turn phone photos into a single PDF for free on iPhone or Android, no app to install. Also covers iPhone's built-in document scanner.

Remove a PDF password for free if you know it, plus the honest truth about what to do if you genuinely forgot it.

Add a text or image watermark to every page of a PDF for free in under a minute using a browser tool.

Turn a ChatGPT, Claude, or Gemini conversation into a clean, searchable PDF for free, right in your browser.

Convert a PDF to PDF/A for free so it stays readable for decades. Covers what PDF/A actually changes and who needs it.

Permanently remove sensitive text from a PDF for free, not just cover it with a black box. Free browser tool, no software install.

Merge PDF files on Mac for free in seconds using MergePDF.Pro, Apple Preview, Finder Quick Actions, or Automator. No Adobe Acrobat required.

Learn how to combine PDF files on your iPhone for free using built-in iOS features or MergePDF.Pro. No expensive app subscriptions required.

Compress a PDF for free so it clears Gmail's 25MB and Outlook's 20MB attachment limits. Three free methods for any device.

Learn what actually causes formatting loss when converting PDF to Word, and how to preserve fonts, tables, and layout for free.