Seamlessly translate Netflix and YouTube captions on the fly. Watch your favorite content with Korean and Japanese subtitles displayed side-by-side.
Built for language learners who immerse themselves in media.
Works natively on your favorite streaming platforms. Automatically detects active videos and overlays translations without interrupting playback.
Uses Google Translate (default) or DeepL to provide accurate context. If the original audio is Japanese, it shows Korean, and vice-versa.
Change font sizes, text colors, and background opacity to match your viewing preference. Drag the subtitle box anywhere on the screen.
Have a local `.srt` or `.vtt` file? Upload it directly into the player to get dual subs even if the video doesn't have them.
Since this is a developer version, installation takes 30 seconds.
Click the download button above to get the Dual Subtitles.zip file. Unzip it into a folder on your computer.
Type chrome://extensions in your address bar and press Enter.
Toggle the "Developer mode" switch in the top right corner of the extensions page.
Click the "Load unpacked" button and select the folder where you unzipped the files.