Hermetic Systems

Software for word and phrase counting, file & email encryption, file backup & wiping, calendar date conversion and more

Hermetic Systems (in business for 20 years) is the developer and publisher of the software shown below. These programs are all hand‑crafted for functionality and ease‑of‑use. They run with all versions of Windows, and on Macs with an emulator such as "Parallels". All of them are free to download (as trial versions).

Click on a program title for further information, or click on a thumbnail image for full‑size, then click the back arrow in your browser to return to this page.


MD5 File and Folder Comparator

MDFL thumbnail

Prime Factors

PRF thumbnail

Radian-Degree Calculator

RDC thumbnail

You can purchase a user license by using credit/debit card, amazon pay, bitcoin or Moneygram.

This page last modified
on October 9, 2020.