Glossary

What is Bleed?

Bleed is the area beyond the trim edge in print PDFs. Learn why bleed is essential for professional printing.

Read Full Guide

What is CMYK?

CMYK is the color model used in professional printing. Learn how Cyan, Magenta, Yellow, and Key (black) inks create printed colors.

Read Full Guide

What is Compression?

PDF compression reduces file size by encoding data more efficiently. Learn about lossy vs lossless compression.

Read Full Guide

What are Crop Marks?

Crop marks indicate where to trim printed pages. Learn how they guide professional printing.

Read Full Guide

What is DPI?

DPI measures print resolution. Learn how DPI affects PDF print quality and when to use different DPI settings.

Read Full Guide

What are Embedded Fonts?

Embedded fonts ensure PDFs display correctly on any device. Learn why font embedding is essential.

Read Full Guide

What is Linearization?

Linearization optimizes PDFs for web viewing by allowing the first page to display before the entire file downloads.

Read Full Guide

What is Metadata?

PDF metadata contains document information like title, author, and creation date. Learn what it reveals.

Read Full Guide

What is OCR?

OCR converts scanned images and PDFs into searchable, editable text. Learn how OCR works and when to use it.

Read Full Guide

What is PDF/A?

PDF/A is the ISO standard for long-term archiving of electronic documents. Learn how PDF/A differs from regular PDF and when to use it.

Read Full Guide

What is PDF/UA?

PDF/UA is the ISO standard for accessible PDF documents. Learn how PDF/UA ensures documents work with assistive technologies.

Read Full Guide

What is PDF/X?

PDF/X is the ISO standard for reliable print production. Learn how PDF/X ensures consistent output in professional printing workflows.

Read Full Guide

What are Raster Graphics?

Raster graphics are pixel-based images in PDFs. Learn how they differ from vectors and when to use each format.

Read Full Guide

What is Resolution?

Image resolution determines detail and quality in PDFs. Learn how it affects file size and print quality.

Read Full Guide

What are Vector Graphics?

Vector graphics use mathematical paths instead of pixels, enabling infinite scalability without quality loss.

Read Full Guide