PDF optimization

Compress PDF online

Reduce PDF file size for easier email, upload, and storage.

Opens the selected tool directly. Processing stays in your browser.

Why use PDF Mixo?

Create a smaller copy and check the result before you send it.

Common questions

PDF Mixo creates a smaller copy by optimizing page content while keeping the original file untouched.

Stronger compression can reduce visual quality. Review the downloaded copy before sending it.

Yes. The tool is designed for smaller attachments and common upload limits.

How it works

Good practice: keep your original file and inspect the downloaded result before relying on edits, signatures, OCR, or redactions.

Optimize several PDFs in one local batch and download each result separately.

Edit selectable PDF text with a visual replacement preview, add notes, highlights and drawings, then export a clean copy.

Combine PDF files and arrange their pages into one organized document.