PDF Password Recovery Online
Submit a supported password-protected PDF that you are authorized to access and run password recovery in the cloud.
Start RecoveryOnly submit files that you own or are authorized to recover. Password recovery is not guaranteed.
Recover a PDF file-open password
Encrypted PDF documents may require a password before their contents can be opened. Catpasswd detects PDF files from their signature and can create a password recovery task for selected encryption types supported by the platform.
A PDF user password that blocks opening the document is different from an owner password that only limits printing, copying, or editing. This page is for supported file-open password recovery, not for bypassing document permissions or digital rights management.
Supported scope
- PDF documents detected from a valid PDF file signature
- Selected password-based PDF encryption types
- Files up to the current 100 MB upload limit
How online password recovery works
Validate the file
Upload the encrypted PDF. The platform verifies that the file is a PDF before accepting it into the selected PDF recovery workflow.
Run recovery attempts
The cloud queue tests likely password candidates against the supported PDF encryption. Processing continues even after you close the browser.
Track the result
Check the task using its ID or your email address. Catpasswd sends an email notification when the recovery task reaches a result.
Privacy and file handling
Uploads are processed in isolated environments. You can destroy the uploaded file and related task record after recovery.
Read our Privacy PolicyPlans and pricing
Start with free recovery or choose a paid mode for a larger search range and faster queue. Payment does not guarantee recovery.
Compare recovery plansImportant limitations
Only selected PDF encryption types are supported. Permission-only restrictions, damaged documents, certificates, DRM, and strong random passwords may fall outside this recovery workflow.
Visit the Help CenterOther supported file formats
Choose the guide that matches the encrypted file you need to recover.