How to use Compress PDF
Open the workspace, choose your file, adjust the available options, then download and review the result before sharing it.
Optimize PDF
Compress PDF Online
Compress PDF files online with a fast browser-based optimizer. Reduce PDF file size and download an optimized document.
Guest mode
Files stay in this browser session
Ready
Online PDF tool
compress PDF online for fast browser-based document work.
Compress PDF helps you reduce PDF file size for sharing, upload forms, and email attachments. CloudPDF keeps the workflow focused: choose your file, review the relevant settings, process it in the browser workspace, and download the finished result.
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Is Compress PDF free to use?
Yes. Compress PDF is available as part of the free CloudPDF browser toolkit.
What is Compress PDF used for?
Compress PDF helps users reduce PDF file size for sharing, upload forms, and email attachments.
Do I need to create an account to use Compress PDF?
No. The core workspace is built to start without a mandatory signup step.
Can I use Compress PDF on mobile?
Yes. The pages are responsive and work in modern mobile browsers, though large PDF files are easier to handle on desktop.
Are my files stored after using Compress PDF?
The static CloudPDF workspace is designed around the current browser session and does not store files in a user account.
What file types does Compress PDF support?
This page focuses on compress PDF, reduce PDF size, PDF compressor, make PDF smaller workflows. The workspace shows the accepted file types before you choose files.
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PDF tools FAQ
Answers for common online PDF tasks.
What is the best free online PDF tool for everyday document tasks?
CloudPDF combines popular PDF actions in one browser workspace: merge PDF, compress PDF, split PDF, convert PDF, sign PDF, redact PDF, and extract PDF text.
Can I merge PDF files and reorder them?
Yes. The Merge PDF tool uses numbered slots so you can place files in the exact order you want before downloading the combined PDF.
Which PDF converter tools are included?
The converter set includes JPG to PDF, PDF to JPG, PDF to Word-compatible DOCX, PDF to PowerPoint-compatible slides, PDF to Excel-compatible tables, and Office-to-PDF helpers.
How does CloudPDF help with private PDF workflows?
The app is designed as a browser-first PDF editor. Files are processed in the current browser session instead of being stored in a user account or uploaded to a document storage backend.