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Compress PDF

Reduce PDF file size with adjustable quality presets. Each page is turned into a picture, so text can no longer be selected or searched. All processing happens in your browser.

Drop a PDF here or click to select

Accepts .pdf files

How It Works

This tool compresses PDFs by re-rendering each page as an optimised image and assembling them into a new, smaller PDF. If the new file would not be smaller than your original, the tool tells you and does not offer it. All processing runs locally in your browser, so no files are uploaded to any server.

Quality Presets

  • Low Compression: Highest image quality with the smallest size reduction. Best for documents you need to print.
  • Medium: Balanced quality and file size. Good for sharing via email or messaging.
  • High Compression: Maximum size reduction with lower image quality. Best for archiving or when file size is critical.

Tips

  • PDFs with large embedded images benefit most from compression
  • Text-only PDFs (letters, invoices, anything saved from Word) usually cannot be made smaller here. If so, the tool tells you and you keep your original
  • Try Medium first: it gives the best balance for most documents
  • Compressed PDFs retain page dimensions but text becomes non-selectable