Compress PDF
Reduce PDF file size by lowering image resolution. Works in your browser.
PDF Tools: use this free online compress pdf in your browser. No signup, no data sent to our servers—instant results.
Renders each page at lower resolution and rebuilds the PDF. Best for image-heavy PDFs.
What this tool does & how to use it
What is this tool?
The compress PDF tool reduces the file size of a PDF, often by lowering image resolution or optimizing the structure. Smaller PDFs are easier to email or upload. Compression runs in your browser.
How to use it and use cases
Upload your PDF and start compression. Download the smaller file. Use cases: meeting size limits for email or uploads, speeding up loading on the web, or saving storage space.