PDF Compress

Reduce PDF file size without losing quality

Quality levels only affect PDFs with images. Pure-text PDFs compress to the same size regardless of setting.

Drag & drop PDF files here, or click to browse

Maximum file size: 128 MB

Your files are processed entirely in your browser. Nothing is uploaded to any server.

Sponsored

If you need more than PDF Compress

  • If you also need OCR, conversion, and eSign alongside compression, try Wondershare PDFelement.
  • If you want to compress and also merge or split PDFs in one suite, try PDF Agile.
  • If you want AI-assisted PDF editing with built-in compression, try UPDF.

Compress PDF Without Uploading — Reduce File Size Free

Shrink PDF files for email, sharing, or storage — right in your browser. 100% private, no upload, no sign-up.

100% FreeOfflineNo UploadNo File Size LimitTarget Size

People Also Search For

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How to Use

  1. Upload: Drop your PDF files onto the page, or click to browse
  2. Pick a level: Choose Light, Standard, or Extreme compression
  3. Download: Hit compress and download the smaller file

Why Choose This Tool

  • 100% Local Processing: Files are processed entirely in your browser using JavaScript — never uploaded to any server.
  • No Limits: No file count or file size restrictions. Process as many files as your device can handle.
  • No Sign-up: Free forever, no account needed, no email required. Open the page and start.
  • Private by Design: Nothing is sent to any server. Close the tab and your files are gone forever.

How We Stack Up

FeatureOursSmallPDFiLovePDF
Compression levels3 (Light/Standard/Extreme)23
Local processingYesNoNo
File size limitNone50MB100MB
Batch compressionUnlimitedLimitedLimited
Free usageUnlimited2/dayLimited

Common Questions

Is my file uploaded to a server?

No. All processing happens locally in your browser. Your file never leaves your device.

Is there a file size limit?

No. Your browser and computer are the only constraints. There are no artificial limits.

Is it really free?

Yes — 100% free forever. No hidden fees, no premium version, no watermarks.

Do I need to install anything?

No. Everything runs in your browser. No download, no installation, no extensions.

Will my files be saved or stored?

No. Files are processed in-memory and discarded when you close the tab.

Does it work on mobile?

Yes. Works on phones and tablets with any modern browser (Chrome, Safari, Firefox, Edge).

Related Tools

Works well alongside PDF Compress

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PDF Agile

For deeper PDF editing beyond what a free browser tool can do, PDF Agile's editor handles text reflow and redaction in one place.

Our tool preserves layout on merge or split but doesn't offer in-place text editing — PDF Agile does.

Learn more

Sponsored Recommended

Wondershare PDFelement

When you outgrow a single-purpose tool, PDFelement bundles editing, OCR, conversion, and eSign in one paid desktop suite.

We keep things browser-based and free; PDFelement adds desktop-class polish for advanced features like Bates numbering.

Learn more

Common Ways to Use PDF Compress