devtools
nounUK /ˈdɛv.tuːlz/
US /ˈdɛv.tuːlz/
Special tools that help people build and fix computer programs.
She opened the devtools to see why the website was broken.
OTHER MEANINGS
2. A panel inside a web browser that lets you inspect and change a web page.
Right-click the page and choose Inspect to open the browser devtools.
3. A set of utilities bundled with a programming language or framework.
The framework's devtools include a live reload server.
4. Short for developer tools in a software menu, often opened with a keyboard shortcut.
Press F12 to launch the devtools.