Notes from the toolbox.
Practical guides, opinions on privacy, and explainers about working with PDFs. Written by us, for the people who use this stuff every day.
How to Sign a PDF Online for Free (Without Adobe or an Account)
A quick guide to signing a PDF entirely in your browser. Draw or type your signature, place it on any page, download. No Adobe, no uploads, no signup.
Free OCR for Scanned PDFs Online (No Upload, No Signup)
Pull text out of a scanned PDF with free OCR that runs in your browser. Ten languages, no account, no upload. Here is how it works and when to use it.
Why You Should Stop Uploading PDFs to Online Tools
Most online PDF sites keep, scan, or share what you upload. Here is what actually happens to your file, and why local-only tools are now the safer default.
How to Compress a PDF Without Losing Quality
A practical guide to making PDFs smaller. What compression actually does, when to use which level, and how to avoid blurring your scans.
How to Merge PDF Files Online for Free (Without Uploading Them)
A simple, no-signup way to combine PDFs in your browser. Drag, reorder, download. Your files never leave your device.