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Code & Deliverynoun · /ˈdevtulz/

devtools

In simple English

Devtools is short for developer tools and refers to a set of integrated features that help programmers write, test, and debug code more efficiently. In web development, browser devtools like Chrome DevTools, Firefox Developer Tools, and Safari Web Inspector are essential for inspecting HTML elements, viewing CSS styles, monitoring network requests, and running JavaScript in the console. In software development more broadly, IDEs and text editors also include their own devtools for profiling, debugging, and analyzing application performance. Understanding how to use devtools effectively is a critical skill for modern developers, as it saves time during the development cycle and helps identify issues that would otherwise be difficult to find.

How to use browser devtools to debug and inspect web applications

At a glanceCEFR B2
Commonness5/5
Versatility4/5
FormalityCasualFormalNeutral
Spoken ↔ WrittenSpokenWrittenBoth
Directness ↔ DiplomaticDirectDiplomaticDirect
RegionUS and UK
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Say it like this

Open devtools to inspect the element
I found the bug using Chrome DevTools
DevTools shows the network waterfall

Real examples

in a standup

"I spent an hour in devtools yesterday debugging the layout issue on mobile devices."

in a code review

"You can verify this behavior by opening devtools and checking the Network tab to see the request payload."

in a team meeting

"New developers should get familiar with devtools early because it is essential for frontend development."

Don't say this

Handle with care. Devtools is a noun referring to tools, not a verb. Do not use it as a verb meaning to debug or develop.

I need to devtools this bug.
I need to use devtools to debug this issue.Devtools is a noun, not a verb. You cannot devtools something; you use devtools to debug.
DevTools are only for JavaScript.
DevTools include HTML, CSS, JavaScript inspection, and network monitoring tools.Devtools has many features beyond JavaScript, including DOM inspection, CSS debugging, and performance profiling.
We devtools the application.
We open devtools to troubleshoot the application.Devtools is not used as a transitive verb; use phrases like open, access, or launch devtools.

Other forms

noun

devtools

"The browser devtools provide real-time feedback on code changes."

noun

DevTools

"Chrome DevTools is one of the most popular developer tool suite."

Often used with

open devtoolsTo access the debugging interface, typically using F12 or Ctrl+Shift+I
browser devtoolsDeveloper tools built into web browsers like Chrome, Firefox, or Safari
devtools consoleThe command-line interface within devtools for running JavaScript and logging
devtools inspectorThe feature in devtools that allows you to select and inspect HTML elements
devtools network tabThe section showing all HTTP requests, responses, and performance metrics

Similar words

developer toolsFull formal name; devtools is the shortened, more casual version
browser toolsMore general term; may refer to browser extensions or other utilities, not just devtools
debuggerA specific component within devtools used to step through code; narrower in scope

Practice

Try it

4 quick exercises

Pick the most natural phrasing

1. Your colleague is confused about why a button is not aligned properly. What do you say?

Complete the sentence

2. I used the _______ Network tab to monitor the API responses during testing.

Spot the mistake

3. Which sentence uses devtools incorrectly?

Rewrite naturally

4. Rewrite this in natural tech English: I examined the code using the built-in development tools to see why the function was not working correctly.

Questions

Quick poll

Have you said "devtools" in a standup this week?

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