Guides
PDF Guides & How-Tos
Practical, no-nonsense guides for everyday PDF problems — grouped by tool, so you can jump straight to what you need.
Merge
Open the Merge tool →How to Merge PDFs and Reorder Pages Exactly How You Want
Combine multiple PDFs, then drag individual pages into any order — even mixing pages from different files.
How to Combine Scanned Pages Into One Clean PDF
Turn a folder of separate scans into one correctly-ordered document, straightened and cleaned up.
Split
Open the Split tool →Compress
Open the Compress tool →How to Compress a PDF to a Specific File Size
Hit an exact size limit — 5MB, 1MB, or any target — using an output-size estimator instead of guessing.
How to Shrink a Scanned PDF Without Losing Legibility
Scanned documents balloon in size fast — here's how to shrink one down while keeping text readable.
Watermark
Open the Watermark tool →How to Add a Watermark to a PDF (With Live Preview)
Add custom text watermarks with a live preview showing exactly how they'll look before you download.
How to Watermark a PDF to Protect It From Unauthorized Use
Discourage copying and make ownership clear on portfolios, drafts, and unpublished work.