PDF guides & how-tos
Short, practical answers to the PDF questions people actually ask — no fluff, and every how-to uses tools that keep your files on your device.
How to Merge PDF Files Without Uploading Them (Free & Private)
Combine PDFs without sending them to a server: a step-by-step guide to merging PDF files free in your browser, and why no-upload tools are safer.
Are Online PDF Tools Safe? What Really Happens to Your Files
Most online PDF tools upload your files to their servers. Learn what happens to your documents, the risks for sensitive files, and how in-browser tools differ.
iLovePDF Alternatives: 5 Free Options Compared (2026)
Looking for an iLovePDF alternative? We compare five free options on privacy, watermarks, limits, and features — including tools that never upload your files.
How to Compress a PDF Without Losing Quality (Free)
Shrink PDF file size while keeping text sharp: which compression level to pick, what actually makes PDFs large, and how to do it free without uploading.
How to Give Claude or Any AI Agent PDF Tools (Free MCP Server)
Connect Claude, Cursor, or any MCP-capable AI agent to a free PDF toolkit: merge, split, watermark, and edit PDFs by asking. One config line, no API key.
Flatten a PDF: What It Means and When You Need It
Flattening locks form fields and annotations into permanent page content. Learn when to flatten a PDF (and when not to), plus how to do it free in your browser.