PDF Password Strength Checker - Check if PDF is Protected
Check whether a PDF file is password-protected or encrypted. Also shows file size and page count. Free, private, runs entirely in your browser.
Click to select a PDF file, or drag and drop
Your file never leaves your browserHow to Check if a PDF Is Password-Protected
- Upload the PDF you want to check.
- Click Check Password Protection to detect whether the file is encrypted.
- The tool also shows the file size and page count for quick reference.
Example
A financial report downloaded from a bank's website might be encrypted to prevent unauthorized access. Uploading it here instantly tells you whether a password is required before you can edit or merge it with other documents.
Common Use Cases
- Checking whether a PDF received via email is password-protected before trying to open it in an editor.
- Verifying that sensitive documents are properly encrypted before sharing.
- Determining why a PDF tool reports an encryption error when processing a file.
FAQ
- Does this tool crack or remove passwords? No — it only detects whether a PDF is encrypted. It cannot bypass or remove password protection.
- What if the file is corrupted? If the PDF structure is damaged, the tool will report that it could not read the file. Try re-downloading or re-exporting the original.
- Is my file uploaded anywhere? No — detection happens entirely in your browser; the PDF never leaves your device.