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Compress PDF

Make heavy PDFs lightweight. Compress PDF files with adjustable quality.

Your file never leaves your device — everything is processed locally in your browser.

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How to use Compress PDF

  1. Drop your file into the upload box above (or click to browse).
  2. Adjust the options to your liking.
  3. Click the process button — everything runs instantly in your browser.
  4. Download your result. Your file was never uploaded anywhere.

Related tools

Compress ImageShrink JPG, PNG and WebP file sizes.Compress Any FileGZip any file to save space.Flatten PDFMerge form fields and annotations into the page.Merge PDFCombine multiple PDFs into one file.Compress ImageSmaller images, same great looks.

Part of 6 Compression Tools on fltools — all free, all on-device.