PDF guides
Long-form guides on working with PDF files: what happens inside them, which settings to pick, and how to avoid common mistakes.
How-toHow to Compress Multiple PDF Files at Once (Batch PDF Compression Guide)Shrink a whole folder of PDFs in one go: how batch compression works, which settings to pick for scans, receipts and reports, and how to stay under upload limits. 12 min read
Privacy & securityHow to Convert PDF to Word Without Uploading FilesConvert PDFs to editable Word files entirely in your browser: how it works, what converts cleanly, the OCR route for scans, and how to verify nothing uploads. 9 min readHow-toHow to Make a PDF Smaller Without Losing QualityPractical ways to shrink PDF file size while keeping text sharp and images clear: image compression, downsampling, grayscale, and when each one is worth it. 10 min readHow-toHow to Read PDF Books in a BrowserTurn any PDF into a page-turning book in your browser: spreads, drag-to-turn, keyboard shortcuts, zoom and shareable reading links, with nothing uploaded. 10 min readPrivacy & securityHow to Remove Hidden Scripts from a PDFPDF files can carry JavaScript, launch actions and embedded files that run on open. Here is how to inspect a file and strip the dangerous parts. 9 min readPDF basicsPDF vs EPUB: What's the Difference?PDF and EPUB both display books and documents, but one locks the page and one lets the text flow. Here is how each works and which one fits your file. 10 min readHow-toPomodoro and Screen Awake: A Practical Guide to Uninterrupted FocusHow to pair the Pomodoro Technique with keeping your screen awake: cycles, breaks, lo-fi music, fullscreen focus mode, and what a wake lock can do. 11 min readPrivacy & securityHow to Check a PDF for Viruses and Malware (Without Installing Anything)PDFs are the most common malicious email attachment. Learn what hides inside a hostile PDF and check any file in your browser before opening it. 10 min readHow-toHow to Save a Web Page as a PDF (the Whole Page, Not a Screenshot)Browser print cuts off lazy-loaded content and breaks layouts. Here is how full-page web-to-PDF capture works and when to pick PDF or PNG. 9 min readHow-toHow to Sign a PDF Without Printing It: Draw, Type or Upload a SignatureA step-by-step guide to signing a PDF in your browser: draw, type or upload a signature, place it on any page, then flatten and lock the signed file before you send it. 14 min readHow-toSeven PDF Jobs You Didn't Know Your Browser Could DoExtract images, real redaction, page resizing, OCR, tables to CSV, security scanning and sanitizing: seven browser PDF jobs that take under a minute. 9 min readPrivacy & securityWhy Use a Temporary Email Address (and When Not To)Disposable inboxes keep spam, trackers and breach exposure away from your real address. Here is what a temporary email is good at, where it fails, and how TempX works. 4 min readPDF basicsBrowser PDF Tools vs Desktop Software vs Upload Websites: Which Should You Use?Compare in-browser PDF tools, upload websites and desktop editors like Acrobat on privacy, cost, features, speed and offline use, with advice for each kind of user. 9 min readPrivacy & securityCompress Confidential PDFs Without Uploading: Sensitive Documents Processed in Your BrowserPayslips, contracts and medical reports are often too large to send. Shrink them without the file ever leaving your device. 10 min readHow-toWriting Documents in Markdown and Turning Them Into PDFsLearn the Markdown you need in ten minutes, why plain-text writing is faster for notes and reports, and how to turn a .md file into a clean, shareable PDF. 9 min readPrinting & scanningHow to Prepare a PDF for Printing: Page Size, Margins, Color and MoreAvoid cut-off text, wrong page sizes and surprise colour charges. A practical checklist for printing PDFs at home, at the office and at a print shop. 9 min readPrivacy & securityHidden Data in PDFs: What Your Files Reveal and How to Remove ItAuthor names, software, edit history, comments, attachments and text under black boxes: what PDFs leak, real examples, and how to clean a file before you share it. 9 min readOffice & workHow to Prepare Job Application Documents as PDF: CV, Cover Letter and CertificatesExport your CV and cover letter cleanly, scan certificates, combine them in order, fit upload limits, name files properly and avoid mistakes recruiters notice. 9 min readOffice & workPDF Too Large? File Size Limits for Email and Upload Portals, and How to Fit ThemCommon attachment and upload limits for Gmail, Outlook, job sites and government portals, why the real limit is smaller than it looks, and how to get any PDF under it. 9 min readPrinting & scanningHow to Scan Documents With Your Phone and Turn Them Into a Clean PDFGet scanner-quality PDFs from phone photos: lighting, angles, built-in scanner apps, combining pages, fixing rotation and keeping file size down. 9 min readOffice & workHow to Fill, Sign and Flatten PDF Forms So Your Answers Stay PutFill interactive and non-interactive PDF forms, avoid the blank-printout problem, sign them, and flatten them so answers can't be lost or changed. 9 min readHow-toPDF to Word: How to Convert a PDF Into an Editable DocumentHow PDF to Word conversion works, which PDFs convert cleanly, how to fix the common problems, and when to use PDF to Text or OCR instead. 9 min readOffice & workPDF Watermarks: When to Use Them and How to Make One That WorksDraft labels, confidentiality marks, logos and personalised watermarks: what each is for, how to design a readable watermark, and what watermarks can't protect. 9 min readPrivacy & securityHow to Password Protect a PDF (and Choose a Password That Holds)Encrypt a PDF with AES-256, set print and copy permissions, share the password safely, and understand what PDF protection can and can't stop. 9 min readOffice & workHow to Organize a Long PDF: Reorder, Number, Split and Clean It UpA practical workflow for long PDFs such as reports, theses, scans and tenders: fix the order, remove blanks, number pages, add metadata and split for sharing. 9 min readOffice & workElectronic Signature vs Digital Signature: What's the Difference?What an electronic signature is, what a certificate-based digital signature adds, which one the law requires for which documents, and how to sign a PDF properly. 9 min readOffice & workHow to Compare Two Versions of a Contract or PDF and Spot Every ChangeFind what changed between two PDF versions of a contract, policy or report: word-level comparison, reading results, common traps and a review routine for negotiations. 9 min readPrivacy & securityIs It Safe to Upload PDFs to Online Tools? What Happens to Your FilesWhat really happens when you upload a PDF to a free online converter, the risks for sensitive documents, and how to process files without uploading them. 9 min readPDF basicsHow PDF Files Work: What's Inside a PDF and Why It MattersA plain-language tour of the PDF format: pages, fonts, images, text, forms and metadata. Knowing the structure explains why PDFs behave the way they do. 9 min readHow-toHow to Convert PDF to JPG or PNG: Resolution, Format and Quality ExplainedTurn PDF pages into images for social media, slides, websites and chat. Which format to pick, what DPI means, and how to get sharp text in every image. 9 min readHow-toHow to Compress a PDF Without Losing QualityWhy some PDFs are huge, what compression changes inside the file, and how to pick settings that shrink the size while keeping text sharp and photos clear. 9 min readPDF basicsPDF vs Word vs JPG: Which File Format Should You Send?When to send a PDF, a Word document or an image. Compare editing, layout, size, security and compatibility, with a quick guide for common situations. 9 min readHow-toHow to Merge and Split PDF Files: A Complete GuideCombine several PDFs into one, break a long PDF into parts, and pull out single pages. Step-by-step methods, page-range syntax and fixes for common problems. 11 min read