Chrome Extension for YouTube

Get the point of any YouTube video in seconds.

BoltBrief summarizes videos, analyzes comments, and even handles videos without subtitles. All without leaving YouTube.

  • One-click AI summaries right inside YouTube
  • Comment insights: see what viewers are really saying
  • Works even on videos without subtitles
60+

Languages supported

Unlimited

Summaries generated

1-click

No prompts, no setup

Feature highlights

Everything you need to research YouTube faster

More than a summary tool. BoltBrief gives you the full picture: key points, audience reactions, and content that other tools simply can't reach.

Zero friction

One-click summaries, right where you watch

No tab-switching, no copy-pasting URLs. Click the BoltBrief button on any YouTube video and get a clean, structured summary in seconds.

  • Works on watch pages and video cards
  • Structured output with key points and timeline
  • Cached results for instant revisits
Only on BoltBrief

AI-powered comment insights

Stop scrolling through hundreds of comments. BoltBrief reads them for you and surfaces the sentiment, highlights, and discussions that matter.

  • Summarizes audience sentiment and key opinions
  • Surfaces the most valuable discussions
  • Saves hours of manual comment reading
Only on BoltBrief

No subtitles? No problem.

Most summarizers give up when a video has no captions. BoltBrief uses advanced video analysis to summarize these videos, so your research never hits a dead end.

  • AI video analysis for videos without subtitles
  • Works with lectures, podcasts, and foreign-language content
  • Same structured output as subtitle-based summaries
How it works

From video to key points in three steps

Install once, then summarize any video without leaving YouTube.

1 Install & click

Add BoltBrief to Chrome, then click the summary button on any YouTube video.

2 Read the summary

Get structured key points, timeline, and takeaways in seconds. No prompt needed.

3 Dig deeper

Explore the full transcript, read comment insights, or analyze videos without subtitles.

Pricing

Start free, upgrade when you need more

Every plan includes AI-powered summaries. Upgrade to unlock comment insights, multiple summary styles, and video analysis for videos without subtitles.

Monthly Yearly Save 17%

Basic

Free

Try it out with 30 video mins a day

  • 30 mins of video/day
  • Multi-language Output
  • Transcript viewer
  • Caption-free videos
  • Summary Styles
  • Comment Summaries
  • Email Support
Get Started
Best Value

Plus

$5.83/mo 17% OFF
$6.99/mo Save $14 when billed yearly

For regular watching and faster catch-up

  • Unlimited video summaries
  • Comment Summaries
  • Multi-language Output
  • Summary Styles
  • Transcript viewer
  • Email Support
  • Caption-free videos
Get Plus
Recommended

Pro

$12.49/mo 17% OFF
$14.99/mo Save $30 when billed yearly

Unlock caption-free video summaries

  • Unlimited video summaries
  • Caption-free videos
  • Comment Summaries
  • Multi-language Output
  • Summary Styles
  • Transcript viewer
  • Priority Support
Upgrade to Pro

No-caption minutes reset monthly (no rollover). Basic includes 30 video mins/day (resets daily).

FAQ

Frequently asked questions

Everything you need to know before getting started.

How do I install BoltBrief?

BoltBrief will be available on the Chrome Web Store soon. Once the listing is live, you'll be able to install it in one click directly from this page.

What types of videos can BoltBrief summarize?

BoltBrief works with any YouTube video that has subtitles or captions, in any language. With a Pro plan, you can also summarize videos that have no subtitles at all, using advanced video analysis.

What's the difference between Plus and Pro?

Plus gives you unlimited summaries, comment insights, and multiple summary styles. Pro includes everything in Plus, and adds the ability to summarize videos without subtitles using video analysis, plus priority support.

Can I use my own API key?

Yes! BoltBrief offers an optional add-on that lets you bring your own API key and choose which AI model to use. Currently supported: ChatGPT, Claude, and Gemini.

Is my data safe?

BoltBrief processes videos on-demand and does not store your viewing history. All payments are handled securely through Stripe.

How does billing work?

Plans are billed monthly or yearly through Stripe. You can upgrade, downgrade, or cancel anytime from within the extension. No emails or support tickets needed.

Ready to save hours?

Stop watching. Start knowing.

Join thousands of researchers, students, and professionals who use BoltBrief to get more from YouTube. Start with the free plan.