customizingprogram

noun
UK /ˈkʌstəmaɪzɪŋ ˈprəʊɡræm/
US /ˈkʌstəmaɪzɪŋ ˈproʊɡræm/

A computer program that lets you change how it looks or works to fit what you like.

My dad used a customizing program to make his game character look like a pirate.


OTHER MEANINGS

2. A tool used to adjust the features of a device or system.

The customizing program helped her set up the new tablet just the way she wanted.

3. Software that changes the appearance of a website or app.

He used a customizing program to give his blog a space theme.

4. A program for tailoring settings in a game or virtual world.

The customizing program let players design their own cars in the racing game.