The Duolingo Immersion Unlocker is a free Chrome add-on developed by mikustosz that gives users the opportunity to translate articles in Duolingo. Duolingo sometimes randomly assigns users to A/B tests, resulting in some people having access to the immersion feature while others do not. Additionally, users from Europe are often unable to translate articles. This has left many users disappointed, as they are unable to utilize Duolingo's killer feature: immersion.

While there are several workarounds available to access the translation functionality, the Duolingo Immersion Unlocker provides the simplest and most convenient solution. By simply installing this extension, the immersion tab will be unlocked for you. However, it is important to note that this extension will only work if immersion is available for your current languages.