Why PDF text cannot be copied
Understand why visible text in a PDF may still fail to copy or extract, including image PDFs, font encoding, and permissions issues.
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PDF help articles for common questions
These pages support the live tools with practical explanations about text extraction limits, OCR, and browser-side privacy. They are meant to answer real questions and route readers to the right tool.
What OCR means for PDF text extraction
Learn why scanned PDFs are different from text PDFs and why OCR is not the same thing as reading an existing text layer.
Read the guideBrowser-side PDF tools and privacy
See what browser-side processing actually means, what it does not mean, and how that differs from site-level analytics or advertising systems.
Read the guideSplit PDF vs Remove Pages
Understand when to export selected pages as a new file and when to trim unwanted pages from an existing document.
Read the guideHow to rotate scanned PDF pages
Fix sideways scanned pages, understand when rotation is enough, and see why OCR is still a separate problem.
Read the guideHow to extract pages from a PDF
Understand what page extraction means, when Split PDF fits best, and when trimming pages is a different workflow.
Read the guideHeader, footer, page numbers, and watermark differences
See how repeated top and bottom text differs from automatic page numbering and from large visible watermark overlays.
Read the guideHow to merge multiple PDF files
Learn when a merge tool fits, how file order affects the result, and when to remove pages before combining files.
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