PDF Compressor Reduce File Size Online

This PDF compressor reduces file size online while maintaining quality perfect for email attachments, uploads, and sharing.

Drop your PDF here

or click to browse (.pdf, max 5MB)

Note: Compression works by optimizing PDF structure. PDFs with many images may see less reduction. For maximum compression of image-heavy PDFs, consider dedicated image compression tools.

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100% Private

Files never leave your device.

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Reduce Size

Optimize PDFs for smaller file sizes.

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Keep Quality

Maintain document quality after compression.

How to Compress a PDF — Step by Step

Select your file — Click “Select File” or drag your PDF into the upload area.
Automatic analysis — Our tool analyzes and optimizes the document structure.
Image optimization — Images are re-encoded at a balanced quality-to-size ratio.
Download — Download your compressed PDF — smaller file, same readability.

When to Use Our PDF Compressor

✓Reducing a resume PDF to meet upload size limits on job portals
✓Compressing documents before attaching them to emails
✓Shrinking large scanned PDFs for faster sharing
✓Preparing files for upload to government or application portals with size restrictions
✓Optimizing PDF portfolios to load faster when shared as links

Frequently Asked Questions

Is this PDF compressor free?

Yes, completely free with no usage limits. No account required.

Are my files secure?

Your files are processed entirely in your browser. Nothing is uploaded to any server — your documents stay completely private.

How much can I reduce the file size?

Compression results vary depending on the content. PDFs with large images typically see 40-70% size reduction. Text-heavy documents with few images may see smaller reductions.

Does compression reduce quality?

Our compressor balances file size and readability. Text remains sharp and clear. Images are optimized to maintain visual quality while reducing size.

What is the maximum file size?

You can compress PDFs up to 5MB. For very large files, consider splitting them first using our PDF Splitter.

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Related Guide

Compress PDF File Size Online Instantly

Reduce PDF file size while maintaining quality for email attachments and faster uploads.

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