Compress PDF
Your PDF file is too heavy to send by email or upload? Our compression tool reduces the size of your PDF document while preserving its readability as much as possible. Perfect for quickly sharing your documents or saving storage space. A PDF that's too heavy for an email attachment or an online form is a common problem — reduce the size in one click and keep the document usable. Free, with no registration needed.
Drop your PDF here
or click
How it works
1
Import
Drop your PDF
2
Compress
Start the compression
3
Download
Get the lighter PDF
Features
Lighter file
— reduce the size of your document.Easier sharing
— send your PDFs by email without trouble.Secure processing
— processed securely, with automatic deletion after processing.How PDF compression works
PDF files often grow large because of high-resolution images or scanned pages. Compression re-encodes these images at a lower quality setting, which reduces file size significantly while keeping the document readable — the text and layout stay untouched.
Common use cases
Attaching a scanned contract that's too big for email
Reducing storage space for archived documents
Meeting a file size limit on an online form or job application
Speeding up upload and download for shared documents
Your files are handled securely
The compressed file is deleted after processing and is never stored.
Frequently asked questions
Is the quality degraded?
Compression optimizes the file structure to reduce its size while preserving the content.
How much size reduction can I expect?
The reduction depends on the original PDF content; unoptimized documents compress best.
Are my files safe?
Yes, compression is processed securely on our servers, then the file is automatically deleted.
Do I need to install anything?
No, it works directly in your browser.
Is it free?
Yes, with no account required.
Can I compress a PDF on mobile?
Yes, the tool works on mobile browsers.
Can I compress a scanned PDF?
Yes, scanned documents often shrink significantly since they're mostly made of images, which get re-encoded during compression.
Will compression affect printing quality?
Compression uses a balanced setting designed to keep documents clear and suitable for normal printing and reading.
Can I compress multiple PDFs at once?
No, one PDF at a time — repeat the process for each additional file.