I use these things often enough that I'm tired of googling them. This one is from here.

Enter a string here. Any unsupported characters will be ignored.
Delimiter:	Calculate
Enter decimal ASCII here. Any non-numerical characters will be ignored.
	Calculate
Enter hexadecimal ASCII here. Any non-hex characters will be ignored.
	Calculate
Enter binary ASCII here. Anything that isn't a '0' or a '1' will be ignored.
	Calculate
Reset all fields

You'll notice that even armed with a handy conversion app, Clutch's "10001110101" still makes no sense.