Free Compress PDF Online

Reduce PDF file size with a browser-based compression tool designed for fast workflows.

PDF Compressor

Compress PDF files with quality and scale controls.

🔒 Processes data locally in your browser — input isn’t uploaded or stored.

What This Tool Does

Upload a PDF, choose compression settings, run compression, and download the result.

How to Use

Upload your PDF file.
Set quality and render scale to balance size and readability.
Click Compress PDF.
Click Download Compressed PDF to save the optimized file.

Common Mistakes

Using very low quality settings before testing readability.
Comparing only file size and not final visual quality.
Forgetting to click the download button after compression completes.

Workflow Notes

Lower quality and scale can reduce size more, but may reduce visual clarity.
Try one moderate setting first, then iterate if you need smaller output.
After processing, use the download button shown in the result area to save your file.

Related Tools

Continue with related tools that handle the next step in your workflow.

PDF to Word Converter - Quick entry page for PDF-to-DOCX conversion.
Reorder PDF Pages - Reorder PDF pages and export a new file.
Watermark PDF - Add text watermarks to PDF files with positioning controls.
Split PDF - Split a PDF into multiple files by page ranges.
PDF Page Counter - Count estimated page entries in a PDF file.

FAQ

What can I do with PDF Compressor?

Compress PDF files with quality and scale controls. It is built for fast, practical PDF tasks with clear output steps.

Will this affect document quality?

Output quality depends on selected settings. Use higher render scale or quality controls when fine detail matters.

Are my PDF files uploaded?

Your input is processed locally in your browser. It isn't uploaded or stored.

What PDF input is supported?

Upload one PDF, set compression controls, click Compress PDF, then click Download Compressed PDF.