PDF guides

Practical guides for everyday PDF work

Clear, no-nonsense articles about compressing, merging, signing, OCR, privacy, and password protection.

Compress PDF · 6 min read

How to compress a PDF for email without uploading it

A practical guide to reducing PDF file size for email attachments, especially scanned documents and image-heavy files.

Merge PDF · 5 min read

Learn a reliable way to combine contracts, scans, invoices, and supporting documents into one organized PDF.

Sign PDF · 6 min read

What to check before adding a signature to a PDF, and how to keep the process private and readable.

Privacy · 7 min read

How to evaluate privacy, browser-based processing, cookies, and risk before using a PDF editor on sensitive documents.

OCR PDF · 6 min read

A plain-English explanation of OCR, searchable PDFs, invisible text layers, and when OCR results need manual review.

Lock PDF · 5 min read

Understand open passwords, permissions passwords, and what PDF encryption can and cannot protect.