Overview
What is Otp?
Otp : An intuitive encryption tool that uses the one-time pad method
In depth
A closer look at Otp
Otp is a lightweight and easy to use application that applies the one-time pad method in order to encrypt texts and files. Otp features a clean and simple interface, which makes it very easy to use. You only have to enter a text or browse for the file to encrypt and choose the desired key file.
Requirements
System requirements
Windows 8 64 bit / Windows 8 / Windows 7 / Windows Vista / Windows XP
Verdict
Should you download Otp?
Otp runs on
Windows 10/11
and is available under the
GNU Public License
license
— the installer is 5.5 MB.
We’ve catalogued it under
Encryption Security.
✓
Verified clean. Every Otp build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
Sponsored
At a glance
Otp specifications
- Publisher
-
Juergen Schwarz
- Last updated
- May 1, 2026
- Requirements
- Windows 8 64 bit / Windows 8 / Windows 7 / Windows Vista / Windows XP
- License
- GNU Public License
- Operating system
- Windows 10/11
- File size
- 5.5 MB
- Price
- Free
- Page views
- 368
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