DevKitLab

PDF Compressor

Reduce image-heavy PDF file sizes with selectable compression strength.

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What is PDF Compressor?

Compress image-heavy PDFs by rendering and re-encoding each page at a selected quality. Processing stays in your browser. Because compression flattens pages, DevKitLab clearly warns when selectable text, links, forms, or annotations will be removed.

Key Features & Capabilities

Balanced and maximum modes
Before/after size report
No server upload
Works well for scanned PDFs

How to Use PDF Compressor

  1. 1Choose a PDF.
  2. 2Select balanced or maximum compression.
  3. 3Review the flattening warning.
  4. 4Compress and download the result.
Data Privacy & Security Guarantee

When you use PDF Compressor, all input processing is executed completely inside your Web browser memory via client-side JavaScript. Your text and files are never stored, logged, or sent to backend databases.

Related Utilities

Merge & Reorder PDF

Combine multiple PDF files in your chosen order and download one finished document.

Split & Extract PDF Pages

Extract selected pages or page ranges into a new PDF document.

PDF to Images

Convert PDF pages into high-quality PNG or JPEG images and download them as a ZIP.

Frequently Asked Questions

Why does compression flatten the PDF?

Browser-safe compression renders each page and re-encodes it. This is effective for scans but removes interactive document features.