How to Add Vietnamese Subtitles to Tubi TV on Ubuntu (Brave Browser)
Two powerful methods to unlock community-made or AI-translated Vietnamese subtitles for any movie on this free streaming giant.
Tubi TV is a fantastic free streaming platform, but its native subtitle options are highly limited—rarely offering languages like Vietnamese. If you are running Ubuntu and using the privacy-focused Brave browser, you don’t have to miss out.
The problem: Tubi’s built-in CC only offers English.
The solution: Overlay .srt files or force Brave to auto-translate live.
Here are the two best ways to get Vietnamese subtitles on Tubi—whether a community translation exists for your movie or not.
📌 Method 1: The Subtitle Overlay Extension
Best for: Popular movies that already have community-made Vietnamese subtitle files.
This method uses a lightweight browser extension to overlay a tiny text file (.srt) directly on top of your live Tubi stream. You do not need to download the movie file.
Step 1: Install the Extension
Open the Brave browser.
Visit the Chrome Web Store and search for Substital (or click here).
Click Add to Brave.
Click the puzzle piece icon (Extensions menu) in the top-right corner and pin Substital to keep it visible on your toolbar.
Step 2: Download the Vietnamese Subtitle File
Go to a trusted subtitle database like OpenSubtitles.com.
Type your movie or TV show title into the search bar.
Filter the results by Vietnamese.
Download the
.srtfile to your Ubuntu desktop.
⚠️ Watch out: Only click the plain text links or buttons that say “Download SRT”. Ignore fake “Download” advertisement banners.
Step 3: Inject the Subtitles into Tubi
Go to Tubi TV and play your movie.
Click the blue Substital icon on your Brave toolbar.
Select the name of your playing video from the extension’s drop-down menu.
Drag and drop your downloaded
.srtfile directly onto the movie screen.
💡 Pro-Tip: Use the H and G keys on your keyboard to adjust subtitle sync if the text doesn’t perfectly match the audio.
🤖 Method 2: Real-Time AI Auto-Translation
Best for: Cult classics, niche indie films (like SLC Punk!), or newer releases that don’t have pre-made Vietnamese files yet.
If OpenSubtitles doesn’t have a file for your movie, you can force Brave’s built-in translation engine to translate Tubi’s English captions into Vietnamese on the fly.
Step 1: Turn on Tubi’s Native Captions
Open your movie on Tubi TV and press play.
Look at the bottom-right corner of the Tubi video player overlay.
Click the CC (Closed Captions) icon and select English.
Step 2: Set Brave to Auto-Translate
Right-click anywhere on the empty black webpage space outside of the video player.
Click Translate to [Your Default Language].
Look at the right side of your Brave address bar (URL bar). A small translation pop-up icon will appear. Click it.
Click the three vertical dots inside that pop-up menu and select Choose another language.
Pick Vietnamese (Tiếng Việt) from the drop-down menu and click Translate.
🎯 That’s it. Brave will instantly hijack the English text track on Tubi and translate the dialogue into Vietnamese in real-time as the characters speak.
📊 Summary Table: Which Method Should I Use?
ScenarioUse Method 1 (Extension)Use Method 2 (Auto-Translate)Movie TypeBlockbusters, mainstream hitsIndie films, cult classics, niche showsAccuracy✅ High (Human translated)⚠️ Moderate (Machine translated)Internet Required❌ Offline .srt file works✅ Continuous connection neededSetup Time~2 minutes~30 seconds
🧠 Final Takeaway
You don’t need to wait for Tubi to add Vietnamese support. With Brave on Ubuntu, you already have two powerful workflows:
Community subs → Substital + OpenSubtitles.
Instant translation → Brave’s built-in auto-translate.
Both methods keep you inside your browser, require no video downloads, and work with Tubi’s free streaming model.
Enjoy your movie night, and chúc bạn xem phim vui vẻ! 🎬
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