How to Run Cypress with Headless Firefox

How to Run Cypress with Headless Firefox

Ferenc Almasi β€’ 2021 December 07 β€’ Read time 1 min read
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To run Cypress in a headless Firefox, you can pass --browser firefox to your cypress run command. Cypress will automatically start browsers headlessly, so there's no need to specify it explicitly.

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cypress run --browser firefox
cypress run --browser chrome
cypress run --browser chrome:canary
cypress run --browser edge

You can also run a number of selected other browsers with Cypress, including Chrome, Canary, Edge, or Electron. If you would like to use a custom browser, Cypress can also be launched with a custom path pointing to the browser:

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cypress run --browser /usr/bin/chromium

If you need to run it using a headed browser, then you can pass the --headed flag to the cypress run command:

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cypress run --browser firefox --headed
cypress run --browser chrome --headed
cypress run --browser edge --headed

Want to learn Cypress from end to end? Check out my Cypress course on Educative where I cover everything:

Learn Cypress with Educative
How to Run Cypress with Headless Firefox
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