Protect PDF
Add an AES-256 opening password locally. No upload needed.
Processed locally in your browserFree · No registration
From file to result in three steps.
01
Choose a file
Choose your file. It stays on this device.
02
Adjust and preview
Adjust the settings and check the pages or text.
03
Download your new file
Save and check the result. Keep the original.
Processing limits
Local PDFs are limited to 40 MB and 200 pages; resource-intensive tools show their lower limits. Images: up to 100, 16 MB each and 40 MB in total. Excessively large pixel dimensions are rejected. Office uploads: 10 MB, one conversion at a time. Try again later if the service is busy.
Features and formats