Suffice it to say vs It's suffice to say

English as a Second Language English Vocabulary, Grammar and Idioms
1

Suffice it to say
vs.
It is suffice to say

Is there any difference in meaning?

Thanks

2

The second is wrongly composed. You can use these:

Suffice it to say… (This is the fixed expression.)
It suffices to say… (this is grammatically OK but not idiomatic.)

3

thanks