Summarize YouTube videos with AI using your own Gemini API key
Users
2,000
0 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#22K
#19K among extensions
Version
1.2.0
updated 14 Jan 2026
Users
monthly, 9 months
Latest, 16 Oct 2026:2,000 usersMove the mouse over the chart for any month
Ratings count
monthly, 9 months
Latest, 16 Oct 2026:2 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 Video Summarizer
๐น AI-POWERED YOUTUBE VIDEO SUMMARIZER
Transform any YouTube video into structured, actionable notes in seconds. Get AI-generated summaries with clickable timestamps, auto-generated chapters, key points, and notable quotesโall powered by Google Gemini.
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โจ KEY FEATURES
โข AI-POWERED SUMMARIES
Generate comprehensive video summaries using Google's latest Gemini AI models. Choose from 10+ models including Gemini 3, 2.5, and 2.0 series.
โข CLICKABLE TIMESTAMPS
Every timestamp in your summary is clickable! Jump to any moment in the video instantly.
โข AUTO-GENERATED CHAPTERS
AI creates logical topic-based chapters for easy navigation through the video content.
โข 65+ OUTPUT LANGUAGES
Generate summaries in your preferred language, regardless of the video's original language.
โข 20 UI LANGUAGES
Interface fully translated: English, ไธญๆ, ๆฅๆฌ่ช, ํ๊ตญ์ด, Espaรฑol, Franรงais, Deutsch, Italiano, Portuguรชs, ะ ัััะบะธะน, ุงูุนุฑุจูุฉ, and more!
โข DYNAMIC MODEL SELECTION
Choose from all available Gemini models. The extension automatically ranks and recommends the best model for you.
โข NOTABLE QUOTES
Extracted quotes with precise time ranges for easy reference and citation.
โข CLICKABLE HASHTAGS
AI-generated topic tags link directly to YouTube hashtag search.
โข BEAUTIFUL UI
Clean, non-intrusive panel integrated directly into YouTube's sidebar. Supports dark mode and RTL languages automatically.
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๐ SUMMARY OUTPUT FORMAT
โโโโโโโโโโโโโโโฌโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
โ ๐ฌ Overview โ 2-3 sentence executive summary โ
โ โ with video type identification โ
โโโโโโโโโโโโโโโผโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโค
โ ๐ Chapters โ Clickable timestamps for major โ
โ โ topic sections with descriptions โ
โโโโโโโโโโโโโโโผโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโค
โ ๐ Key โ Important insights with timestamps โ
โ Points โ and relevant details โ
โโโโโโโโโโโโโโโผโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโค
โ ๐ Summary โ Comprehensive content breakdown โ
โ โ with in-text timestamps โ
โโโโโโโโโโโโโโโผโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโค
โ ๐ฌ Quotes โ Significant quotes with time ranges โ
โโโโโโโโโโโโโโโผโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโค
โ ๐ก Takeawaysโ Actionable conclusions and insights โ
โโโโโโโโโโโโโโโผโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโค
โ ๐ท๏ธ Tags โ Clickable topic hashtags for search โ
โโโโโโโโโโโโโโโดโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
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๐ฏ HOW TO USE
1. Get your FREE Gemini API key from Google AI Studio
2. Click "Verify" to validate your key and load available models
3. Select your preferred AI model (best is recommended)
4. Navigate to any YouTube video with subtitles
5. Play the video briefly (loads subtitle data)
6. Select your preferred output language
7. Click "Summarize Video" in the NoteLM panel
8. Click any timestamp to jump to that moment!
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
๐ SETUP (30 SECONDS)
1. Visit aistudio.google.com/app/apikey
2. Sign in with your Google account
3. Click "Create API key" - it's FREE!
4. Paste the key in the extension's settings
5. Click "Verify" to validate and see available models
6. Select your preferred model and click "Save"
FREE TIER LIMITS: 15 requests/minute, 1,500 requests/day
That's plenty for daily video summarization!
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๐ค SUPPORTED GEMINI MODELS
The extension automatically fetches and ranks all available models:
โข GEMINI 3 SERIES: Latest and most capable (Pro, Flash)
โข GEMINI 2.5 SERIES: Fast and intelligent (Flash, Pro, Flash-Lite)
โข GEMINI 2.0 SERIES: Previous generation (Flash, Flash-Lite)
โข GEMINI 1.5 SERIES: Legacy support (Pro, Flash)
Models are auto-sorted by capability. The best model is recommended by default.
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๐ SMART CONTENT SCALING
The extension automatically adjusts output based on video duration:
โข SHORT (< 5 min): 3-5 chapters, concise summary
โข MEDIUM (5-15 min): 4-7 chapters, balanced detail
โข LONG (15-30 min): 6-10 chapters, comprehensive
โข EXTENDED (30+ min): 8-12 chapters, detailed analysis
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๐ OUTPUT LANGUAGES (65+)
Select from any of these languages for your summary output:
ASIAN: Chinese (Simplified/Traditional/Hong Kong), Japanese, Korean, Vietnamese, Thai, Hindi, Bengali, Indonesian, Malay, Filipino, Tamil, Telugu, Kannada, Malayalam, Marathi, Gujarati, Punjabi, Urdu, Nepali, Sinhala, Burmese, Khmer, Lao
EUROPEAN: English (US/UK/India), Spanish (Spain/LatAm/US), French (France/Canada), German, Portuguese (Brazil/Portugal), Italian, Russian, Dutch, Polish, Swedish, Norwegian, Danish, Finnish, Greek, Czech, Slovak, Romanian, Hungarian, Bulgarian, Croatian, Serbian, Slovenian, Ukrainian, Belarusian, Lithuanian, Latvian, Estonian, Icelandic, Albanian, Macedonian, Bosnian
MIDDLE EASTERN: Arabic, Turkish, Hebrew, Persian
AFRICAN: Afrikaans, Swahili, Amharic, Zulu
CENTRAL ASIAN: Kazakh, Uzbek, Kyrgyz, Azerbaijani, Georgian, Armenian, Mongolian
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๐ UI LANGUAGES (20)
The extension interface is fully translated into:
โข EAST ASIAN: ็ฎไฝไธญๆ, ็น้ซไธญๆ (ๅฐ็ฃ), ็น้ซไธญๆ (้ฆๆธฏ), ๆฅๆฌ่ช, ํ๊ตญ์ด
โข ROMANCE: Espaรฑol, Espaรฑol (Latinoamรฉrica), Espaรฑol (US), Franรงais, Franรงais (Canada), Italiano, Portuguรชs, Portuguรชs (Portugal)
โข GERMANIC: English, English (UK), Deutsch
โข SLAVIC: ะ ัััะบะธะน, ะฃะบัะฐัะฝััะบะฐ, Polski
โข RTL: ุงูุนุฑุจูุฉ (with full right-to-left layout support)
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๐ PRIVACY-FIRST DESIGN
โข NO DATA COLLECTION - We don't collect any user data
โข LOCAL API KEY STORAGE - Your key stays on your device
โข DIRECT API CALLS - Transcripts go directly to Google's API
โข NO ANALYTICS - Zero tracking, zero telemetry
โข NO ACCOUNT REQUIRED - Use immediately after setup
โข NO INTERMEDIARY SERVERS - Direct connection to Google
โข OPEN SOURCE - Tโฆ
Growth
Window
Users
Change
Ratings
Rating
7 days
0
+0.0%
0
0.00
30 days
0
+0.0%
0
0.00
6 months
+1,000
+100.0%
+1
0.00
Chrome Web Store search rankings
Where YouTube Video Summarizer appears when people search the store, with the 30 day change