YouTube Subtitle AI

by https://philippstreicher.com · philippstreicher.com · Tools

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 18 Oct 2026

AI-powered YouTube subtitle generator with translation and dual-language display

Users

176

+11 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#68K

#57K among extensions

Version

0.1.4

updated 14 Feb 2026

Users

monthly, 14 months

Latest, 18 Oct 2026: 176 usersMove the mouse over the chart for any month

Ratings count

monthly, 14 months

Latest, 18 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About YouTube Subtitle AI

AI Subtitles - Subtitles, translation, and chat for any YouTube video. No captions on the video? No problem. AI Subtitles generates accurate subtitles for any YouTube video using Google's Gemini AI - even videos that have zero captions. GENERATE SUBTITLES FOR ANY VIDEO One click. Works on lectures, interviews, vlogs, foreign-language content — anything on YouTube. Subtitles display as a clean overlay directly on the video, matched to YouTube's native look. TRANSLATE TO 50+ LANGUAGES Select a language, hit translate. Original text stays visible above each translation so you can compare - great for language learning or verifying context. CHAT WITH THE TRANSCRIPT Ask questions about what you just watched. Get summaries, find specific moments, or dig into topics. Responses include clickable timestamps that jump straight to the relevant part of the video. BUILT TO STAY OUT OF YOUR WAY - Sits neatly in YouTube's sidebar - Smart caching loads previously generated subtitles instantly - Adjustable font sizes and multi-speaker color coding - Dark/light theme matches YouTube automatically FREE. PRIVATE. NO ACCOUNT NEEDED. AI Subtitles runs on your own Gemini API key (free tier available from Google). Your key and all data stay on your machine — nothing sent to third-party servers, no tracking, no analytics. GET STARTED IN UNDER A MINUTE: 1. Install the extension 2. Add your free Gemini API key (setup guide included) 3. Open any YouTube video and generate subtitles Built by Philipp Streicher.