GLOSSARY
PDF Glossary
Every PDF term you'll ever need — explained in plain English. From OCR to PDF/A, Bates numbering to eIDAS.
OCR
Converts images of text into editable text using optical recognition.
PDF/A
Archival PDF format designed for long-term preservation.
Bates Numbering
Sequential numbering system used in legal documents.
Electronic Signature
A digital method of signing documents with legal validity.
ESIGN Act
US law that gives electronic signatures legal equivalence to paper.
eIDAS
EU regulation for electronic identification and trust services.
PDF Encryption
Password protection and content encryption of PDF files.
PDF Redaction
Permanently removing sensitive information from a PDF.
PDF Compression
Reducing file size while preserving content quality.
PDF Flattening
Merging annotations, form fields, and layers into static content.