Lock PDF

Not all PDFs can just be opened by anyone. Contracts, financial reports, internal documents, and some confidential personal information may be included. In this day and age, securing your files is not an option but rather a must; PDF Niche is where it finds its place.

Locking PDF is maintaining an online tool to accomplish password protection on your PDF files not more than a few clicks. No downloads, no installs, and no tech skills. Upload pdf file, set a password, and get going. Keep it private without any hassle; it's just that easy.

Locking a PDF Online

Step 1: Upload Your PDF File
Upload PDF by clicking the button to upload it into the system. Drag it to the space provided. PDF Niche allows all kinds of PDF documents as long as it conforms to the general standard of the PDF formats.

Step 2: Set Your Password
Type in a strong password which you have in mind. This password will be required to unlock the PDF so it will be unauthorized locked. You can tick whether you want to restrict the printing, copying, or editing if necessary.

Step 3: Lock and Download
Click on the Lock PDF button. Our tool locks your file into safe encryption methods. After the process complete, save the locked PDF into your device by clicking the Download button.

FAQs

How secure is the cryptography?
Your PDF file will be locked using PDF Niche's AES 256-bit encryption, the industry standard against which all PDF security is compared. This insures access to your document is restricted to only those with the proper password.

Will I be able to unlock the file at a later stage?
Sure, as long as you remember the password, you can remove any kind of protection when you need it using any kind of PDF unlock tool 

What if I forget my password?
No, we don't keep passwords or files for security reasons. So, if you forget your password, there is no way to recover or open the file afterward. Just choose a password that is easy for you to remember or save it in very secure password manager.

Can I lock several PDFs at once?
At the moment, you can lock one file at a time, but the job is done in seconds-per-file-and we will offer batch protection as soon as possible.

Is this service free?
Yes. Locking your PDFs with PDF Niche is completely free. We do not charge you to encrypt at basic levels. Some premium security options might come later, but there will always be free, standard file protection.

Are my files safe? 
Definitely. All uploads will go through secure encryption and processing. We automatically delete your uploaded files and encrypted files from our servers a few moments after processing has been completed, so your data will never be stored longer than necessary.