PrivaTools Blog — PDF & File Tools Tips, Guides & Comparisons

How to Compress a PDF Without Losing Quality — Learn how to reduce PDF file size by up to 90% without visible quality loss. Three methods compared: online tools, desktop apps, and command-line.
How to Merge PDF Files Online for Free — Step-by-step guide to combining PDF files online for free. Drag, drop, reorder, and merge — no software, no account, no watermarks.
Best Free PDF Tools in 2026: Honest Comparison — We tested 8 free PDF tool suites in 2026. Honest verdict on which are truly free, which have hidden limits, and which respect your privacy.
How to Remove a Password from a PDF — Three ways to remove or bypass a PDF password you own — online tool, Adobe Acrobat, and command-line — explained step by step.
How to Convert Word to PDF for Free — 5 ways to convert .docx files to PDF without Microsoft Office — online tools, Google Docs, LibreOffice — plus which preserves formatting best.
How to Edit a PDF Online for Free — No Sign-Up Required — Step-by-step guide to editing PDF text, images, and annotations online without creating an account. Compare 5 free methods.
How to Split a PDF File Online — 3 Free Methods — Three ways to split PDF files for free: by page range, by file size, and by bookmarks. No software needed, no sign-up.
How to Redact Sensitive Information from PDFs — Free Guide — Learn how to permanently black out names, SSNs, addresses, and confidential text in PDFs. Understand why covering text with black boxes isn't enough.
The Best Free Online PDF Editors in 2026 — No Downloads Required — We tested 7 free online PDF editors in 2026. Here's which ones are truly free, which add watermarks, and which respect your privacy.
AI PDF Summarizer: How to Summarize Long PDFs in Your Browser (2026 Guide) — How AI-powered PDF summarizers work, why running them in the browser matters, and a step-by-step walkthrough of summarizing a 100-page PDF without any upload.
10 Best iLovePDF Alternatives in 2026 (Free, Private, Open-Source) — iLovePDF is popular but it's not free, it uploads your files, and it shows ads. Here are 10 alternatives ranked by features, privacy, and price.
How to Redact a PDF Properly (Don't Use Black Boxes) — Drawing black boxes over text doesn't redact anything — the text is still under there. How to actually remove sensitive content from a PDF so it can't be recovered.
Why Most Online PDF Tools Are Tracking You (And What to Do About It) — A look at what actually happens when you upload a PDF to a 'free' online tool — the trackers, the retention windows, the third-party pixels — and how to stay private.
How to Convert HEIC to PDF, JPG, and PNG on Any Device (2026) — Apple's HEIC format is space-efficient but incompatible with most software. How to convert HEIC to PDF, JPG, or PNG online, on Mac, on Windows, and in batch.
How to Decode a JWT Token Safely (and What Each Part Means) — JWT tokens are everywhere in modern web auth. How they're structured, how to decode them, what each claim means, and why you should never paste a real JWT into a random online decoder.