
Summarize any YouTube video into key ideas and timestamped notes in seconds.
Summarize any YouTube video into key ideas and timestamped notes in seconds.

Turn any YouTube transcript into AI summaries and topic ideas

This is our editors' assessment out of 5, not an average of user ratings. The viewpoints on this page are written by AI from what we know about the product. They are not customer reviews.
According to OpenAITools.app telemetry verified on 2026-11-11, YouTube Transcript AI Extension (chromewebstore.google.com) is an AI platform indexed under AI Youtube Summary generating 0 monthly visits with a month-over-month traffic delta of +0 (0.0%). Its primary geographic market is Global (— traffic share), and it operates on a Free pricing model. Top competing alternatives by monthly volume include Noiz (148.84K visits/mo), Eightify (109.24K visits/mo), SummifyAI (380 visits/mo).
Does the job for quick video breakdowns.
A bit barebones, but it works without issues.
Handy for getting the gist of lectures.
Simple and lightweight extension.
AI-synthesized perspectives grounded in live site inspection, pricing structure, and category benchmarks — presented as editorial viewpoints rather than individual customer testimonials.
Grabs the transcript that YouTube already exposes for the video you are watching, with no manual copy-paste.
Condenses the transcript into a short, readable digest of the video's key points.
Surfaces related subject and content ideas from the transcript, useful when planning your own videos or research.
Runs from a single popup with no account, dashboard or background service to manage.
Small footprint and quick setup straight from the Chrome Web Store.
YouTube Transcript AI Extension is a compact Chrome add-on built around one focused job: turning video speech into readable, useful text. When you open a YouTube watch page, the extension collects the available transcript (captions) and hands the text to an AI model, which returns a short summary of the main points and a list of topic ideas drawn from the content. It was published on the Chrome Web Store in August 2024 and is positioned as an education and study tool.
The extension is deliberately minimal — a single popup with no account system, no dashboards and no data collection, per the developer's disclosure. That makes it fast to install and easy to reason about privacy-wise, but also means it is not a full research suite: there is no cross-video search, no bulk export and no note library. It works best on videos that already expose captions, since the tool builds on YouTube's own transcript data rather than running its own speech recognition.
The main trade-off is maturity. It is a young, small extension with a very short changelog and just a handful of users, so expect occasional rough edges. If you simply want fast summaries and topic prompts from the videos you already watch, it fits neatly into that workflow.
Skim the summary of a long recorded lecture to decide which sections deserve full attention.
Generate idea lists from popular videos in your niche before scripting your next upload.
Get the main points of recorded talks or interviews without listening to everything end to end.
Use the transcript and summary to follow along with spoken material more easily.
Side-by-side telemetry comparison of competing AI tools in the same primary category
| Rank | AI Tool | Monthly Visits | MoM Growth | Direct traffic share | Pricing | Head-to-Head |
|---|---|---|---|---|---|---|
| ● | YouTube Transcript AI Extension | 0 | — | — | Free | Current |
| 1 | Noiz | 148.84K | -27.8% | 29% direct | Free Trial | vs Noiz |
| 2 | Eightify | 109.24K | -23.2% | 44% direct | Freemium | vs Eightify |
| 3 | SummifyAI | 380 | -76.6% | 42% direct | Freemium | vs SummifyAI |
| 4 | TubeMemo | 1.93K | -39.9% | 40% direct | Freemium | vs TubeMemo |
| 5 | Glarity | 188.82K | -49.6% | 7% direct | Freemium | vs Glarity |
| 6 | Claras | 10.35K | +26.9% | 40% direct | Freemium | vs Claras |

Summarize any YouTube video into key ideas and timestamped notes in seconds.
Summarize any YouTube video into key ideas and timestamped notes in seconds.
AI summaries that turn long YouTube videos into key ideas in seconds
AI summaries that turn long YouTube videos into key ideas in seconds

Summarize YouTube videos in seconds with custom prompts and timestamps
Summarize YouTube videos in seconds with custom prompts and timestamps

Turn any YouTube video into AI summaries, notes and flashcards inside your browser
Turn any YouTube video into AI summaries, notes and flashcards inside your browser

Free / Open-sourceSummarize YouTube, Google, and any page with AI — free in your browser
Free / Open-sourceSummarize YouTube, Google, and any page with AI — free in your browser

Turn any long video into a transcript, a chaptered summary, and a chat you can question
Turn any long video into a transcript, a chaptered summary, and a chat you can question
Turn any YouTube video into a one-minute digest
Turn any YouTube video into a one-minute digest

Free YouTube transcripts and AI summaries from your Chrome toolbar
Free YouTube transcripts and AI summaries from your Chrome toolbar
Bulk YouTube subtitle downloader built for AI data prep
Bulk YouTube subtitle downloader built for AI data prep
Turn any YouTube video into a verifiable transcript, summary and content pack
Turn any YouTube video into a verifiable transcript, summary and content pack
One browser agent that combines every major AI model with web automation
Summarize any YouTube video without leaving the app
Summarize any YouTube video without leaving the app