Master LanguagesThrough Immersion

Helios transformed how I learn Chinese. The instant popups while reading articles make vocabulary acquisition effortless. I've learned more in 2 months than I did in a year with traditional methods.

As a Spanish speaker learning English, this extension is incredible. The video subtitle feature lets me watch my favorite shows while building vocabulary naturally.

From the quick look ups to the underlining of words to let me know what words I don't know, Helios has really helped my language learning journey become easier.

Thank you for creating this tool. It's exactly what I needed for my language learning journey.

The developers are incredibly responsive to feedback and constantly improving the tool. It's rare to find such a dedicated team behind a free product.

Helios has made learning Spanish so much more enjoyable. The seamless integration with my daily browsing means I'm constantly learning without even trying.

Helios is incredibly convenient and has been invaluable for my language learning journey. It's even helped me prepare for certification exams with real-world content.

This extension has become one of the most important tools in my Chinese learning routine. Being able to watch TV shows and instantly look up words or phrases in the subtitles without breaking my flow makes it much easier to stay immersed and actually enjoy the process.

The dictionary definitions are detailed and accurate. The pronunciation guides help me speak correctly. This extension does it all!

Helios makes immersion learning accessible to everyone. I can learn from real content—news, blogs, videos—without constantly switching to a dictionary app.

Helios transformed how I learn Chinese. The instant popups while reading articles make vocabulary acquisition effortless. I've learned more in 2 months than I did in a year with traditional methods.

As a Spanish speaker learning English, this extension is incredible. The video subtitle feature lets me watch my favorite shows while building vocabulary naturally.

From the quick look ups to the underlining of words to let me know what words I don't know, Helios has really helped my language learning journey become easier.

Thank you for creating this tool. It's exactly what I needed for my language learning journey.

The developers are incredibly responsive to feedback and constantly improving the tool. It's rare to find such a dedicated team behind a free product.

Helios has made learning Spanish so much more enjoyable. The seamless integration with my daily browsing means I'm constantly learning without even trying.

Helios is incredibly convenient and has been invaluable for my language learning journey. It's even helped me prepare for certification exams with real-world content.

This extension has become one of the most important tools in my Chinese learning routine. Being able to watch TV shows and instantly look up words or phrases in the subtitles without breaking my flow makes it much easier to stay immersed and actually enjoy the process.

The dictionary definitions are detailed and accurate. The pronunciation guides help me speak correctly. This extension does it all!

Helios makes immersion learning accessible to everyone. I can learn from real content—news, blogs, videos—without constantly switching to a dictionary app.