Lock your PDF with a strong password to prevent unauthorized access. Encryption that actually works.
Tip: You can also drop PDFs anywhere on this area.
PDF Clinic's Protect PDF tool helps you encrypt PDFs with a password. Whether you need to you are emailing sensitive HR or financial records or you want to restrict printing or copying, you can complete the job in your browser on desktop, tablet, or phone. Files are transferred over encrypted connections, processed on our servers, and removed according to our retention policy so your documents are not kept longer than necessary.
The Protect PDF feature is built for everyday document work: encrypt PDFs with a password
Upload one or more files, adjust the options shown for your task, and download the result when processing finishes. Registered accounts may have higher file-size and daily operation limits for heavier workloads.
Choose Protect PDF when you are emailing sensitive HR or financial records. It is also a practical choice when you want to restrict printing or copying.
Students, freelancers, HR teams, and finance departments use PDF Clinic to avoid desktop software licenses while keeping a consistent workflow across devices.
Share passwords through a separate channel from the file link.