Guides, tips and comparisons on processing PDFs, images, audio and video.
A comparison of online tools, desktop software, and print settings for cropping blank margins in PDF pages; which one suits which scenario.
6 min read
How-ToA step-by-step guide to finding text and visual differences between two PDFs page by page and downloading the result as a ZIP report.
6 min read
GuideExplains how the PDF Compare tool finds differences between two PDFs page by page, at both the visual and text level, when it's useful, and its approach to privacy.
5 min read
ComparisonComparing PDF signing methods: handwritten signatures, desktop software, and online tools. An unbiased guide to which method makes sense in which scenario.
5 min read
GuideHow do you sign PDF documents with an electronic signature, what does SES level actually mean, and when is it enough? A comprehensive guide covering security and privacy.
6 min read
How-ToLearn step by step how to ask AI questions about your PDF files. A practical way to make sense of long reports, contracts, and articles in minutes.
5 min read
How-ToA step-by-step guide for anyone who wants to add a text watermark to their PDF file. Transparency, angle settings, and common mistakes, all covered here.
6 min read
ComparisonWe compared online tools, desktop software, and manual methods for adding watermarks to PDFs. Which one makes sense in which scenario, explained step by step.
6 min read
GuideA comprehensive guide to the logic behind adding text watermarks to PDF files, the technology involved, the security angle, and practical use cases.
7 min read
How-ToLearn how to shrink PDF files without sacrificing quality. A step-by-step compression guide, practical tips, and common mistakes to avoid.
5 min read
ComparisonWe compared manual methods, desktop programs, and online tools for splitting PDFs. We explain, objectively, which one makes sense in which scenario.
6 min read
GuideWhat does a PDF split tool do, how does it work, and is your data safe? A guide to selecting page ranges, splitting into individual pages, and choosing the right method.
6 min read
ComparisonWe compared browser-based tools, desktop programs, and manual methods for merging PDFs. We explain, with examples, which one makes sense in which scenario.
5 min read
How-ToA step-by-step, browser-based, and secure guide to merging PDF files into a single document in the right order.
6 min read
GuideHow does a PDF merge tool actually work, what is WASM technology for, and why are your files merged without ever being uploaded to a server? A detailed guide.
6 min read
ComparisonAn unbiased guide comparing AI-powered PDF summarization against manual reading, desktop programs, and other methods.
6 min read
GuideAn explanation of how the organize-pdf page-reordering and page-deletion tool works, when it's useful, and what it means for your privacy.
6 min read
ComparisonAn unbiased guide comparing when the Compare PDF tool works best against manual methods and general-purpose online tools.
6 min read
How-ToA step-by-step guide for anyone who wants to combine JPG or PNG images into a single PDF file: uploading, ordering, converting, and common mistakes.
5 min read
ComparisonDifferent ways to turn JPG/PNG images into a PDF: doing it by hand, a desktop program, or an online tool. We compare when each one actually makes sense.
6 min read
GuideThe logic behind converting JPG/PNG images to PDF, what browser-based (WASM) processing actually means, and when you'd need this tool.
5 min read
GuideHow image format conversion between JPG, PNG, WEBP, GIF, TIFF, and AVIF works, which format to choose for which situation, and how your privacy is protected during conversion.
7 min read
How-ToA guide to converting images between JPG, PNG, WEBP, GIF, TIFF, and AVIF: step-by-step instructions, when to choose which format, and tips for avoiding quality loss.
6 min read
ComparisonConverting images between JPG, PNG, WEBP, GIF, TIFF, and AVIF: a comparative guide to which method makes sense in which situation.
5 min read