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PDF Compressor

Document Tools

Reduce your PDF file size by removing redundant data and compressing content. Everything runs in your browser — your files never leave your device.

Drop PDF here or click to upload

PDF files only

Compression Mode

How to Compress a PDF

  1. Click Choose PDF or drag and drop your file.
  2. Select a compression level — Standard removes unused objects; Aggressive re-renders pages at lower resolution.
  3. Click Compress PDF and wait for processing.
  4. Download your compressed file and compare the size reduction.

Frequently Asked Questions

Is my PDF uploaded to a server?

No. Everything runs in your browser using JavaScript. Your PDF never leaves your device.

How much will my PDF shrink?

Standard mode typically reduces size by 5–30% by removing unused objects. Aggressive mode re-renders pages as images, which can achieve 50–80% reduction but removes selectable text.

Will compression affect quality?

Standard mode preserves all content. Aggressive mode reduces image resolution so may show slight quality loss on image-heavy PDFs.

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