PDF Compressor - Reduce File Size Online

Reduce PDF file size without losing quality. Free, fast, and 100% secure browser-based tool.

Upload your PDF, preview all pages, remove or rotate pages if needed, choose compression level, and download optimized PDF. All processing happens in your browser – your files never leave your device.

How to use this tool
  • Step 1: Upload a PDF file (drag & drop or click).
  • Step 2: Preview all pages – use Rotate or Delete buttons on each page.
  • Step 3: Choose compression level (High/Recommended/Low).
  • Step 4: Click "Compress PDF" – only the remaining pages will be compressed.
  • Step 5: Download the optimized PDF.
Privacy & Safety

All processing happens locally in your browser. Your files are never uploaded to any server.

Upload Your PDF File

Drag & Drop PDF or Click to Select

Why Use Our Free PDF Compressor Tool?

Our online PDF compressor tool helps you reduce PDF file size without losing quality. Whether you need to compress large PDF files for email attachment, website upload, or storage optimization, our tool provides a professional solution without any cost.

Key Features:

How to Compress PDF Files - Step by Step:

  1. Upload PDF: Drag and drop your PDF file or click to select.
  2. Preview Pages: Review all pages of your document.
  3. Edit Pages (Optional): Rotate or delete unwanted pages.
  4. Choose Compression Level: Select from High, Recommended, or Low.
  5. Compress: Click the "Compress PDF" button.
  6. Download: Your optimized PDF will be ready for download instantly.

Common Use Cases for PDF Compression:

Compression Levels Explained:

Frequently Asked Questions

Is this PDF compressor really free?

Yes, our PDF compressor tool is completely free to use. No hidden charges, no premium upgrades.

Does compression reduce image quality?

Depending on the compression level you choose. High compression reduces quality more, while Low compression maintains quality with minimal size reduction.

Is it safe to compress PDF files online?

Yes, all processing happens directly in your browser. Your files never get uploaded to any server, so your data remains private and secure.

Can I delete pages before compressing?

Yes, click the trash icon on any page thumbnail to delete it. The compressor will only process the remaining pages.

Does rotating pages affect the output?

Yes, the final PDF will have pages in the rotated orientation.