Compress PDF File
Reduce the file size of your PDF while keeping text sharp and searchable.
Choose PDF File
Drag and drop here, or tap to browse from your device
Compress to a specific size: 20 KB · 50 KB · 100 KB · 150 KB · 200 KB · 300 KB · 400 KB · 500 KB · 1 MB · 2 MB
The Best Free Online Compress PDF Tool
Need to reduce the size of your PDF? With PDFAdore you can do it in a few clicks, right in your web browser. It works just as well for business, school and personal documents.
Why Use PDFAdore?
Secure & Private
Your file is processed on your own device, inside your browser. It is never uploaded to our servers, so nobody else can see it.
Fast & Easy
A simple, step-by-step interface lets you reduce the size of your pdf in seconds, with no learning curve.
No Installation
Works in any modern browser on Windows, Mac, Linux, Android and iPhone. Nothing to download or install.
Completely Free
Use Compress PDF for free, with no watermarks and no sign-up. Premium raises the file size and batch limits.
When to Compress PDFs
- Reduce file size for email attachments (bypass 25MB limits).
- Speed up file uploads to government or school portals.
- Save storage space on your device or cloud drive.
- Improve website loading times if you host the PDF.