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Compress PDF

Reduce PDF file size while maintaining quality

Drop your files here

or click to browse from your device

.PDF files • Max 200MB

Compression features:

  • • Smart compression algorithm
  • • Maintains document quality
  • • No data loss or formatting changes
  • • Optimized for web and email sharing

Reduce PDF file size for email attachments, uploads, and faster sharing. SelfPDF creates a smaller copy in your browser without requiring an account.

How to use Compress PDF

  1. 1.Choose the PDF you want to optimize.
  2. 2.Start compression and wait for the browser to finish processing.
  3. 3.Review the result and download the smaller PDF.

About this PDF tool

Compression is helpful for scanned documents, portfolios, presentations, and files that exceed a website or email attachment limit. The practical size reduction depends on how the original PDF was created.

Common uses

  • Fit a PDF within an upload limit
  • Send a document by email
  • Share a smaller portfolio or presentation

Privacy and local processing

SelfPDF’s core PDF file tools are designed for browser-based processing without an account. AI-powered tools may send the text needed for their AI task to an external AI service. Process only files you are authorized to use, and keep a local backup of important originals.

Frequently Asked Questions

Will every PDF become smaller?

Not always. PDFs that are already optimized may show little change.

Does compression delete my original?

No. The compressed PDF is downloaded as a new copy.

Can I compress multiple PDFs at once?

The current workflow processes one PDF at a time.