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Reduce PDF File Size - Free Browser Tool

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PDFMax 200 MB

Whether you're trying to fit a PDF on a USB drive, email it to a client, or upload it to a portal, reducing the file size is often the first step. Our tool shrinks PDFs by compressing embedded images and stripping unnecessary metadata - in seconds, for free.

How to use it

Three steps, under 30 seconds from upload to download.

  1. 1

    Select your large PDF

    Upload the PDF from your device. Scanned documents, exported presentations, and PDFs containing high-resolution photos will see the biggest reductions.

  2. 2

    Adjust compression strength

    Pick a compression level. The estimated output size updates in real time. Most users get 70-90% reduction without any noticeable quality impact at medium compression.

  3. 3

    Download the reduced PDF

    Save the smaller file. It will open in any PDF viewer and print correctly - compression does not affect text, bookmarks, or document structure.

Questions & answers

Everything you might need to know before using the tool.

Why is my PDF so large to begin with?+
PDFs grow large when they contain high-resolution embedded images (from cameras or design tools), unoptimized scans, or embedded font subsets. Compression addresses all three.
Does reducing PDF size affect the ability to copy text?+
No. Text extraction and copy-paste remain fully functional after compression. Only the visual quality of embedded images is reduced.
Can I reduce the size of a scanned PDF?+
Yes - scanned PDFs (which are essentially images inside a PDF container) respond extremely well to compression. A 20MB scan can often reach 1-2MB at medium compression.

Your files are private

All processing runs locally in your browser using JavaScript. Your files are never transmitted to any server, stored, or shared. Close the tab and they're gone.

100%
Browser-local

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