PDF Unlock & Protect
Unlock password-protected PDFs, add password protection, change passwords, and set advanced permissions. Secure your documents with powerful PDF security tools.
Unlock password-protected PDFs, add password protection, change passwords, and set advanced permissions. Secure your documents with powerful PDF security tools.
Remove passwords from PDFs you own or add encryption to sensitive documents. Use only on files you have legal rights to modify.
PDF Unlock & Protect is designed for everyday tasks where speed and simplicity matter. Whether you are handling a single file or working through a batch, ConvertMastery keeps the workflow straightforward with clear settings and instant downloads.
Open a PDF you forgot the password for (that you own). Protect confidential contracts. Restrict printing or copying on shared PDFs. These are among the most common reasons users choose this tool on ConvertMastery.
For the best outcome, start with a high-quality source file when possible. If you are preparing images for the web, consider converting to WebP or compressing after conversion. For documents, review the output before deleting originals. When privacy matters, prefer settings that strip metadata and use browser-based processing when available.
ConvertMastery is updated regularly to support modern formats and browsers. If you need help, visit our documentation guide or browse related tools linked below. Processing is private and on-the-fly — results are not saved to our servers.
PDF with optional password protection.
Some tools require brief server processing for advanced features. When server processing is used, files are handled securely, processed in memory, and not stored permanently. We do not sell or share your file data with advertisers.
Only PDFs you legally own or have permission to unlock. We do not support bypassing unauthorized protection.