Chrome 156 Lets You Ask Gemini About the Video You Are Watching
Ever wished you could ask your browser what a long video actually says? That is now possible in Google Chrome, at least for some users. PCWorld reported on October 21, 2026 that Chrome 156 adds a new Gemini feature called media understanding. It lets you ask Gemini questions about the video or audio you are playing, and have it write a summary.
What is media understanding?
According to PCWorld, media understanding is the only new feature listed on Chrome 156's What's New page. When it is turned on, you can ask Gemini in Chrome about the video or audio that is playing in your tab. Gemini can respond with answers, generate summaries and more.
In plain English, imagine you are watching a forty minute training video, a webinar recording or a recorded meeting. Instead of scrubbing back and forth to find the part about pricing, you could ask Gemini what the speaker said about pricing, or ask for a short summary of the whole thing.
It is rolling out slowly
Do not be surprised if you do not see it yet. PCWorld notes that Gemini in Chrome is not available to all users, and it is still being rolled out gradually. The site also reminds readers not to confuse it with AI Mode in Google Search, which is a different feature.
If you want to check, you can search for the word Gemini in Chrome's settings to see which Gemini options are available to you. If you would rather not use the feature, PCWorld says you can turn it off under Settings, then AI in Chrome, then Gemini in Chrome.
The security fixes are the bigger story
Although media understanding gets the headline, Chrome 156 also includes a large batch of security fixes. PCWorld, citing the Chrome Releases blog, reports that the update fixes 353 vulnerabilities. Google found 266 of them internally, and 87 were reported by outside researchers, who have so far earned a total of $50,000 in bounties.
Six of the flaws are rated critical, and five of those are memory errors in various components. Another 61 are rated high risk. The good news is that PCWorld says none of them are being exploited in the wild. Even so, a fix only protects you once it is installed.
How to update Chrome
Chrome usually updates itself automatically, but it only applies the update after you restart the browser. To check by hand, open the menu, choose Help, then About Google Chrome, or go to Settings and select About Google Chrome. Chrome will check for the latest version and tell you if a restart is needed. PCWorld lists the current versions as 156.0.8078.47 or 48 for Windows and Mac, and 156.0.8078.47 for Linux. Chrome 157 is scheduled for about two weeks later.
What this means for you
For students, researchers and busy professionals, asking questions of a video can be a real time saver. It is especially handy for long recordings where you only need one answer. As with any AI summary, treat it as a helpful first pass. If a decision depends on the details, such as a contract discussion or a medical instruction, listen to the original.
For small business owners, the lesson is about habits. First, keep every browser on every office computer up to date, because 353 fixes in one release shows how quickly flaws pile up. Second, decide as a team whether AI features inside the browser are allowed, especially when employees might open videos or documents that contain private customer information. If you are unsure, it is fine to leave the feature off until you understand it.
Third, remember that AI tools built into your browser are becoming normal. Google, OpenAI and others are all pushing assistants into the place where people already spend their day. Learning how they work now will make the next wave of features much less confusing.
Source: PCWorld, "Chrome 156 lets you ask Gemini about videos you're watching," published October 21, 2026.
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