YouTube Caption Summarizer

by hu.cooper · Tools

Manifest V3 Free

View in Chrome Web Store Data as of 20 Oct 2026

Summarize YouTube video captions using AI

Users

+2 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#134K

#112K among extensions

Version

1.5.7

updated 30 Jun 2026

Users

monthly, 2 years

Latest, 20 Oct 2026: 28 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years

Latest, 20 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 Caption Summarizer

Where to get API Keys: OpenAI API Key get from https://platform.openai.com/api-keys Free- Gemini API Key get from https://aistudio.google.com/prompts/new_chat Free- Groq API Key get from https://console.groq.com/keys ( for those videos with transcription, Groq can do speech to text) Free- Support localhost Ollama https://ollama.com/ suggest model gemma3:4b (completion and vision) Google Gemini 3.0 flash suggest Support Deepseek API https://platform.deepseek.com/api_keys Support Openrouter API https://openrouter.ai/settings/keys a lot of free models spot light support ollama chat support - context included member-only content supported

Growth

Window	Users	Change
7 days	0	+0.0%
30 days	+2	+7.7%
6 months	−28	−50.0%
1 year	−4	−12.5%

Version history

39 versions recorded

1.5.730 Jun 2026

1.5.619 Apr 2026

1.5.518 Feb 2026

1.5.429 Sep 2025

1.5.319 Jun 2025

1.5.29 Jun 2025

1.5.15 Jun 2025

1.5.02 Jun 2025

Details

Category: Tools
First seen: 24 Dec 2024
Size: 145 KB
Languages: en-US
Pricing: Free
Privacy policy: meerkat0688.github.io
Extension ID: khdgebhjkledeibfgkkfalpochhnlboc

Permissions and risk

Moderate riskimpact 2, likelihood 2

Permissions

activeTabstoragescriptingnotificationsdeclarativeNetRequestcookies

Site access

http://localhost/*https://www.youtube.com/*https://youtube.com/*https://accounts.youtube.com/*https://studio.youtube.com/*https://m.youtube.com/*https://music.youtube.com/*