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Secure Localhost Testing With UnderPass
A GUI application that helps you test locally hosted pages or privately hosted projects on 3000+ browsers for desktop and mobile.
One Click Launch To Trigger LambdaTest Tunnel
No need to launch tunnel through CLI anymore. UnderPass will automatically execute the tunnel binary to establish a secure connection for testing locally hosted pages on LambdaTest.
Underpass DocumentationTest Websites with Private Certificate
Underpass enable MITM (Man-in-the-middle) for website with self signed certificates. You can now test locally hosted or privately hosted websites using self signed certificates on your own system or internal network.
Localhost Testing Behind Proxy
Perform Localhost testing to test websites hosted behind proxies. You can define
START TESTING PROXY HOST, PROXY PORT, PROXY USER and PROXY PASSWORD for your remote server, office network or even a local machine.Detailed Verbose Logs
Found an error while you launched the tunnel through UnderPass? Enable Verbose and get detailed logs for your LambdaTest Tunnel and troubleshoot any technical errors.
Test Using Shared Tunnel
No need to create separate instances for individual users for a single project. You can create a shared tunnel for the team and users can launch it using UnderPass in a single click.
START TESTINGSelect Connection Modes
UnderPass by default auto detects the best possible connection modeto ensure best testing speeds possible. Depending on external envrionments like network, Underpass optimizes the connection for the best transfer speeds and best testing experience.
Download UnderPass for Mac
Download UnderPass for Windows
Download UnderPass for LinuxMore Reasons To Love Underpass
A dedicated desktop application with features that will make your local testing experience smoother and help you ship products faster.
Set Advance Configurations
Find Detailed Logs for your LambdaTest Tunnel using advanced configurations.
Easy Access To Local Directory
Select or change the local file path directly from the UnderPass app with a single click.
Select Your Environment
Test your web pages or apps on local environment with faster & deploy quality builds using UnderPass.
24/7 Support From Our Tech Experts
Our tech experts are available on our support 24*7. You can get in touch with us by filling up the contact form, messaging in-app, or through call. You can also write to us at support@lambdatest.com .
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