Secure your important PDF documents with strong encryption. Prevent unauthorized access, viewing, or editing — all processed locally in your browser.
Choose the PDF file you want to secure with a password
— or —
100% Client-Side Processing · No files are uploaded to our servers
Industry-standard protection
Files never leave your PC
Fast browser-side processing
No limits, no watermarks
Protect in 3 Steps
Securing your documents is fast and intuitive with our local encryption engine.
Select the PDF file you wish to protect. You can drag and drop the file directly into the yellow box above.
Choose a strong password for your document. Our tool uses 256-bit encryption to keep your content virtually unhackable.
Click "Protect PDF". The encryption process finishes instantly. Download your newly secured PDF to your device.
Protecting your digital assets is a top priority in 2026. Whether you are sharing legal contracts, financial statements, or personal records, adding a strong password ensures that only authorized individuals can access your files. The Raha Tools PDF Protector uses industrial-strength 256-bit AES encryption to lock your files securely.
Most online protection tools require you to upload your unencrypted file to their cloud servers before they lock it. This creates a moment of vulnerability. Raha Tools is different. Our encryption happens entirely within your browser. Your original, unprotected file never travels over the internet. By the time any data leaves your memory, it is already locked with your custom password.
What encryption standard do you use? We use the industry-standard PDF encryption engine, compatible with Adobe Acrobat and all major PDF readers globally.
Is my password stored? No. We never store or see your password. The encryption happens locally, and once you close the tab, all data is wiped from your browser's temporary memory.
Can I protect multiple files? Yes. You can protect your documents one by one or in sequence, entirely for free and without watermarks.
