Merge PDF
Combine multiple reports into a single ordered document.
Split PDF
Extract page ranges or burst every page into its own file.
Compress
Rebuild and strip metadata so large files send by email.
Protect
Apply real password encryption with owner permissions.
Rotate
Fix sideways scans by rotating selected pages.
Delete pages
Remove unwanted pages before sharing a document.
Watermark
Stamp diagonal text such as DRAFT or CONFIDENTIAL.
Page numbers
Add clean page numbering to long documents.
Images to PDF
Turn JPG or PNG photos into a single tidy PDF.
Private by design
Every operation runs with pdf-lib inside your own browser tab. Nothing is uploaded to a server, nothing is queued, and passwords you set for encryption never leave your device.