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Change User Agent on LT Debug Chrome Extension

Switch between user-agent strings swiftly. Imitate, spoof or simulate other browsers, devices or search engine spiders as and when you need.

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Change User Agent to Your Liking

Switch between user-agent strings quickly. Imitate, spoof and/or simulate other browsers, devices or search engine spiders, Eg. Change the request header “User-agent” to “Mozilla/5.0 (Macintosh; Intel Mac OS X x.y; rv:42.0) Gecko/20100101 Firefox/42.0” to define the version of browser and OS as mozilla 5 and Mac OS x. for all requess from all URL you visit

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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, Change User Agent, Throttle the Page Response, Inject Scripts, Change User Agent, Redirect URLs, and many more coming.!!

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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.

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Dark Mode

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

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200+ Free Tools

LambdaTest also provides a collection of 200+ 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

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