How to check PDF file size
Choose a PDF and the tool shows the file size in a readable format and in exact bytes.
PDF File Size Checker
Check a PDF file size in KB, MB, and bytes.
Frequently Asked Questions
Is the file uploaded to a server?
No. The tool runs in the browser where possible and the file is not sent to a server.
Does it change the original file?
No. A new downloadable file is created, or information is displayed only.
Does it work on mobile?
Yes, but very large PDFs can be heavy on weaker devices.