Compress PDF
How PDF compression works
1️⃣ Upload PDF
Choose the PDF you want to reduce in size. Large files with embedded images usually benefit the most.
2️⃣ Optimize PDF resources
The compressor recompresses images, removes unnecessary metadata and stream overhead, and repacks internal PDF objects to cut file size.
3️⃣ Download smaller PDF
Download the optimized PDF. Text stays readable, while heavy graphics and redundant data are reduced.
Frequently Asked Questions
How much can I reduce a PDF size?
Typically 20–80% depending on the content. PDFs with large embedded images see the greatest reduction.
Will the visual quality suffer?
Minor quality reduction may occur on compressed images, but text remains crisp and readable.
Is my PDF uploaded to a server?
Yes, for server-side compression. Files are deleted immediately after processing.
What is the maximum file size?
Up to 500 MB per file.
Can I compress a password-protected PDF?
Unlock the PDF first using our Unlock PDF tool before compressing.
Why Choose Our Tool?
100% Private
Files processed in your browser or deleted from servers immediately.
Fast & Free
No registration, no watermarks, unlimited conversions.
Works in Browser
No software to install. Works on Windows, Mac, Linux, iOS and Android.