SHA-1 hash for « i know u see this msg »

The SHA-1 hash of:
i know u see this msg
is:
c78be40a52d8ee143a04914f627eaab0e699cca1

You can attempt to reverse the SHA-1 hash which was just generated, to reverse it into the originally provided string:

Reverse a SHA-1 hash

Feel free to experiment SHA-1 hashing with more strings. Just enter a new string and submit the form to convert it into another SHA-1 hash.

Convert a string to a SHA-1 hash