Set or change user permissions on a PDF.
Click to select PDF or drag and drop
Your files never leave your device.
Required when setting permissions or a user password. Leave all fields empty to decrypt the PDF instead.
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Change Permissions sets which actions readers may perform, such as printing or copying text.
This tool runs entirely in your browser. Your file is read from your device, processed in memory, and saved back to your device — it is never uploaded to QPDF or anyone else. Once this page has loaded, the tool also works with your internet connection switched off.