Guides, tips and comparisons on processing PDFs, images, audio and video.
Learn step by step how to sign a contract on a PDF using a drawing-based electronic signature, without printing it out. Includes tips and common mistakes.
6 min read
GuideA guide explaining how PDF compression tools work, what technology they use, and when they actually help.
6 min read
ComparisonWe compared online compression, desktop software, and manual methods for shrinking PDF file size. Here's an unbiased look at which one makes sense in which situation.
6 min read
How-ToLearn step by step how to safely remove the password from a PDF file when you already know it. Practical tips and common mistakes covered in this guide.
6 min read
ComparisonWays to password-protect a PDF compared: online encryption tool, desktop software, and doing it manually. Which one makes sense in which scenario, and how does AES-256 encryption work.
6 min read
How-ToStep-by-step instructions for password-protecting your PDF with AES-256 encryption. A comprehensive guide with practical tips and common mistakes.
6 min read
GuideHow is AES-256 encryption applied to a PDF, when is it needed, and why is browser-based encryption secure? A comprehensive guide.
6 min read
ComparisonWe compared manual solutions, desktop software, and online tools for unlocking a PDF protected with a password you already know. Here's when each option actually makes sense.
5 min read
GuideA guide to safely removing the password from PDFs whose password you already know. Covers WASM-based in-browser processing, how it differs from server-based methods, and what to know about privacy.
6 min read
ComparisonWhich approach makes more sense when you need to reorder or delete PDF pages? An unbiased comparison of the page-organizing tool against alternative solutions.
6 min read
How-ToA practical, step-by-step guide to reordering, deleting, and rearranging PDF pages.
5 min read
How-ToA step-by-step guide to adding page numbers to PDF files, including position, format, and starting-number options, plus common mistakes to avoid.
6 min read
GuideA comprehensive guide to the technical details behind adding page numbers to PDFs, position/format options, when you actually need it, and what happens to your file's security.
7 min read
ComparisonAn unbiased guide comparing when adding page numbers to a PDF is necessary, and which method — desktop software, an office program, or an online tool — makes more sense in which scenario.
6 min read
GuideWhy does rotating PDF pages by 90, 180, or 270 degrees become necessary, how do browser-based tools work, and is your file safe? A detailed guide.
6 min read
How-ToHow do you rotate PDF pages by 90, 180, or 270 degrees? A step-by-step, browser-based method for fixing sideways-scanned documents.
6 min read
ComparisonWe compared online tools, desktop software, and manual methods for rotating PDF pages. Here's which one makes more sense in which scenario, with examples.
7 min read
How-ToA step-by-step guide to actually removing sensitive information from a PDF. Explains the difference between a visual box and true removal, and the correct method to use.
6 min read
ComparisonThe difference between a visual box and real content deletion in PDF redaction, and which method is right for which situation.
6 min read
GuideMost PDF redaction tools just draw a black box; the actual text stays hidden inside the file. We explain why the rasterize-flatten method is essential for genuinely deleting content.
5 min read
How-ToHow do you sign a PDF document with an electronic signature? Drawing-based signature creation, the multi-signer process, and what to watch out for, explained step by step.
5 min read
How-ToHow do you split a PDF into page ranges or individual pages? A step-by-step guide with practical tips and common mistakes.
6 min read
How-ToLearn how to trim excess white margins from PDF pages step by step. Content is never deleted — only the visible area is reduced.
5 min read
GuideA guide to the tool for cropping unnecessary margins in PDF pages without content loss — its method, use cases, and approach to privacy.
5 min read