Languages supported
Browser 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
Summaries generated
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.
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
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
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 install to key points in three steps
Choose the right store once, then summarize any video without leaving YouTube.
Open the guided install page and head to the right store for Chrome, Firefox, or Brave.
Get structured key points, timeline, and takeaways in seconds. No prompt needed.
Explore the full transcript, read comment insights, or analyze videos without subtitles.
Store availability
Install BoltBrief on the browser you already use
Chrome and Firefox are live today, Brave installs through the Chrome listing, and the remaining browser channels are clearly marked by rollout status.
Chrome Available now Official Chrome Web Store listing
Open Chrome Store
Firefox Available now Official Mozilla Add-ons listing
Open Firefox Add-ons
Brave Install via Chrome Store Install the Chrome listing directly in Brave
Use Chrome Store in Brave
Edge Store rollout planned Dedicated Edge store listing is not live yet
Safari Planned next Safari release is on the roadmap
Opera Coming soon Opera rollout has not started yet
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
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
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
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?
Click any Install BoltBrief button on this site to open our browser-aware install page. From there you can go straight to the Chrome Web Store, Firefox Add-ons, or the Chrome listing for Brave.
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.
Do I need to configure AI access?
No. BoltBrief handles AI access through platform-managed server-side providers. There is no separate provider setup required to use the product.
Is my data safe?
All BoltBrief payments are processed 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.
Which browsers does BoltBrief support?
BoltBrief currently offers live install paths for Chrome, Firefox, and Brave. Brave uses the Chrome Web Store listing, while Edge, Safari, and Opera are tracked separately until their dedicated store rollouts are ready.
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.