Meaning of the word "just to make sure" in English

What does "just to make sure" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

just to make sure

US /dʒʌst tu meɪk ʃʊr/
UK /dʒʌst tu meɪk ʃɔːr/
"just to make sure" picture

Phrase

used to confirm or verify something to avoid any doubt or mistake

Example:
I'll call you again tomorrow just to make sure of the time.
Check the door just to make sure it's locked.