Compress PDF

Reduce PDF file size while maintaining quality. Choose from basic, moderate, or maximum compression levels. All browser-based.

✓ Three compression levels✓ Browser-based, fast and secure✓ Preserves text and links✓ Instant compression preview

Upload PDF

Select PDF to compress · max 50MB

Drag PDF here or tap to select

Supports files up to 50.00 MB

Compression level

Compression result

Compare size before and after

Results appear after compression

Support

Frequently Asked Questions

Higher compression levels may reduce quality. 'Moderate' (the default) offers the best balance of size and quality; 'Basic' keeps quality highest.
No. Compression is browser-based. Files stay on your device.
Files under 50MB are recommended. Very large PDFs may be slow on mobile browsers.

Quick start

How to Use Compress PDF

1

Upload PDF

Upload the PDF file you want to compress.

2

Choose Level

Select basic, moderate, or maximum compression.

3

Compress

Click compress — processing runs in your browser.

4

Download

Download the compressed PDF file.

Explore more

Related Tools

Merge PDF

Combine multiple PDF files into one document. Free, no registration, fully browser-based. Arrange files with up/down controls before merging.

Open

Split PDF

Split PDF files into multiple documents. Extract specific pages or split by page range. Free and browser-based.

Open

PDF to Image

Convert PDF pages to high-quality JPG or PNG images. Every page is exported with adjustable resolution. Free browser-based tool.

Open

Rotate PDF

Rotate PDF pages 90, 180, or 270 degrees. Rotate all pages or selected pages individually. Free browser-based tool.

Open

About this tool · PDF Tools

Free online compress pdf: how Compress PDF works

Compress PDF on TextExtraction.online is a free compress pdf tool for reduce pdf size, pdf compressor, make pdf smaller. Reduce PDF file size while maintaining quality. Choose from basic, moderate, or maximum compression levels. All browser-based. Processing runs in your browser, so files stay on your device for privacy.

Why use this free compress pdf tool?

  • Three compression levels
  • Browser-based, fast and secure
  • Preserves text and links
  • Instant compression preview
  • No registration required for standard use — open the page and start immediately.
  • Works on phone, tablet, and desktop modern browsers with a mobile-friendly layout.

When to use Compress PDF

Choose Compress PDF when you need a free online compress pdf workflow without installing desktop software. Browser PDF utilities are ideal for quick merge, split, compress, rotate, protect, and convert tasks. For more free OCR and document tools, return to the TextExtraction homepage.