·5 min read·merge
The Best Free PDF Merger Tools in 2026 — A Practical Comparison
Five free online PDF mergers compared on privacy, file-size limits, daily caps, and feature depth. Which one actually fits your workflow?
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Dicas PDF, guias práticos e atualizações do produto.
·7 min read·redact
How to Redact a PDF Properly — And Why the Common Way Is Unsafe
Drawing a black box over a PDF doesn't actually hide the text underneath. Here's what redaction really means and how to do it safely in 60 seconds.
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OCR Accuracy: What Actually Determines Whether Your Scanned PDF Becomes Searchable
OCR accuracy ranges from 99% to unusable depending on DPI, contrast, font, and language. Here's what changes the number — and what you can control.
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PDF/A Explained: When You Need the Archival Format (And When You Don't)
PDF/A is the ISO-standard archival format for PDFs. Here's what it is, when it's legally required, and when regular PDF is the right call.
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PDF Encryption Explained: AES-128 vs AES-256 and What Actually Matters
Most PDF password prompts hide one of four cryptographic standards. Here's what each one actually protects against, and which one you need.
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Why Some PDF Forms Won't Fill In (AcroForm vs XFA Explained)
If a PDF form ignores your clicks in Preview or your browser, it's almost certainly XFA. Here's what that means and how to work around it.
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Why Your PDF File Is So Large (And How to Fix It in 60 Seconds)
PDF file sizes are driven by images, fonts, and embedded objects — not page count. Diagnose which one is inflating your file and shrink it properly.
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PDF Compression Benchmark: What Actually Changes at Each Quality Level
We compressed 200 real PDFs across five content types to see what each compression level actually does to file size, text quality, and image fidelity. Here's what we found.
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How to Compress a PDF — Reduce File Size Without Losing Quality
PDF too large to email or upload? Learn how to shrink any PDF to a fraction of its size using free online tools. Three methods compared.
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How to Convert Excel to PDF
Learn how to convert Excel spreadsheets to PDF online for free. Preserve formatting and share your data as a polished PDF with PDF Genie.
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How to Convert PDF to JPG Images
Convert PDF to JPG images online for free in seconds. Step-by-step guide to turning PDF pages into high-quality image files with PDF Genie.
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How to Merge PDF Files Online — Fast & Free
Learn how to combine multiple PDF files into one document in seconds. No software to install, no signup required. Step-by-step guide with tips.
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How to Remove Password From a PDF
Learn how to unlock a PDF and remove the password quickly and for free. Step-by-step guide to removing PDF password protection with PDF Genie.
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How to Sign a PDF Online for Free
Learn how to sign a PDF online for free without printing or scanning. Add your digital signature to any PDF in seconds with PDF Genie.
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How to Split a PDF Into Separate Pages
Learn how to split a PDF into separate pages or smaller files quickly and for free. Step-by-step guide to splitting PDFs online with PDF Genie.
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10 Best Free Online PDF Tools in 2026
Discover the 10 best free online PDF tools in 2026 for converting, editing, compressing, and signing PDFs — all available on PDF Genie with no sign-up required.
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How to Add Page Numbers to a PDF
Learn how to add page numbers to a PDF online for free. Customize position, font, and starting number to create professional, easy-to-navigate documents.
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How to Convert Word to PDF — 3 Free Methods
Convert any DOC or DOCX file to PDF in seconds. Keep your formatting, fonts, and layout intact. No software installation required.
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How to OCR a Scanned PDF
Learn how to OCR a scanned PDF to make it searchable and selectable. Step-by-step guide to using optical character recognition on PDFs with PDF Genie.
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How to Reduce PDF Size for Email
Learn how to reduce PDF size for email attachments quickly and for free. Compress large PDFs without losing quality using PDF Genie's online tool.
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PDF vs DOCX — When to Use Which Format
PDF or DOCX? This guide explains the differences between PDF and Word document formats, and when to use each one for best results.
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