Insert Script (CSS/JS) on LT Debug Chrome Extension

Simulate any web page's experience by injecting your own CSS and/or JS script in the console.

...

GLOBAL ENTERPRISES RELY ON LAMBDATEST FOR TEST EXECUTION

AnyVan
CNBC
Quilter
xerox
dunlem
suncorp
zoho
capegemini
delloite
meggallen
newsella

2 Million+

Users

500+

Enterprises

130+

Countries

Insert Script in Console

Use this script injector to simulate any web page's experience by inserting your own CSS and/or JS script in the console, Eg. You want to change the back ground color of any web page you visit to black, so simply inject CSS script 'body {background-color: black;}' directly from LT Debug extension.
Add to Chromearrow
Insert Script in Console
And 8 More Tools to Debug on The Go

And 8 More Tools to Debug on The Go

LT Debug is a one stop solution for all your debugging needs. With nine essential tools, this Chrome extension makes debugging any web page a breeze. Add/Remove/Modify HTTP(s) Header Requests, Block URL requests, Insert Script (CSS/JS), Throttle the Page Response, Inject Scripts, Insert Script (CSS/JS), Redirect URLs, and many more coming.!!
Add to Chromearrow

Manage Rules at One Place

Create your favorite configurations once and use it as and when you need for debugging. No need to go back and forth for your favorite configurations. Use multiple tools at the same time to create your custom debugging environment.
Add to Chromearrow
Manage Rules
LT Debug in Dark Mode

Dark Mode

We take care of your subtle needs so you can focus on what matters the most. Match LT Debug with your dark mode system setup, get the work done without any strain.
Add to Chromearrow

100+ Free Tools

LambdaTest also provides a collection of 100+ free online tools, utilities, and libraries that will help developers, testers, designers, in their day to day tasks. From HTML, XML, and JSON formatters and converters, to robust test data generators we have all
Check Free Toolsarrow
Free Tools for developers

Try LambdaTest Now !!

Get 100 minutes of Automated testing FREE !! The only free for lifetime Automation Testing Tool.

  • No Credit Card Required
  • Free Sign Up
  • 24/7 Support
Try LambdaTest

Powerful Cloud Testing Platform to Accelerate Your Go-To-Market

Secure, Reliable, and High Performance Test Execution Cloud Build For Scale

Perform automated browser tests on a scalable, secure, and reliable automation cloud. Run JavaScript or Selenium tests at scale on 3000+ desktop and mobile browsers.

More about Automation Testingarrow
Automated Testing

Why LambdaTest for Automated Test Execution

Here’s why LambdaTest is the choice of Automation cloud for 2 Million+ developers & quality analysts

24/7 Support

24/7 Support

Get access to industry leading 24/7 dedicated support

 Zero Test Flakiness

Zero Test Flakiness

Highly reliable and accurate infrastructure that has no flakiness

120+ Integrations

120+ Integrations

Fits seamlessly into your testing stack with out-of-the box integrations

3000+ environments

3000+ environments

Best browser coverage across on any cloud grid

Wall of fame

LambdaTest is #1 choice for SMBs and Enterprises across the globe.

Wall Of Fame

Ready to Get Started?

Signup to use LambdaTest, it's completely free to get started with