ToolPDFs guide
How to compress a PDF
Reduce a PDF file size by creating an image based copy with adjustable quality.
Updated July 16, 2026 by Divv Saxena
Quick answer
Reduce a PDF file size by creating an image based copy with adjustable quality. Use Compress PDF for this workflow.
Steps
- Open Compress PDF and choose a PDF.
- Select a quality and render scale that suit the document.
- Create the compressed copy.
- Inspect the download before replacing the original.
What to check
This tool rebuilds pages as images, so selectable text, links, forms, and vector detail can be lost.
Related help
Review current limits, security and data handling, and more PDF guides.