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Free Tool Arena

File & Format Converters · Free tool

Compress PDF

Reduce PDF size by downsampling embedded images and stripping unused objects. Runs in-browser — your file never leaves.

Updated April 2026

Heavy compression works best for PDFs that are mostly images or scans. Text-heavy PDFs may lose selectable text.

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What it does

Reduce PDF size by downsampling embedded images and stripping unused objects. Runs in-browser — your file never leaves.

Runs entirely in your browser — no upload, no account, no watermark. For more tools in this category see the full tools index.

How to use it

  1. Fill in the inputs or drop your file.
  2. Click the primary button to run.
  3. Copy or download the result.