Online Tools

Free online tools for developers and system administrators.

Public IP

Find your public IP address instantly, with raw and JSON API endpoints.

Generate strong random passwords and secret keys.

Generate RSA and DSA SSH keys online in OpenSSH, PKCS#1, PKCS#8 and PuTTY formats.

Convert engineering range values to 4-20mA analog signal and back, for loop tests, transmitter calibration, and HART field device scaling.