Your GPT-powered sidekick for every page, PDF and video
Your GPT-powered sidekick for every page, PDF and video

Chat with any webpage, video, or PDF right from your Chrome toolbar

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, Mindie - Your AI Second Brain (chromewebstore.google.com) is an AI platform indexed under AI Assistant 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 Walles.ai - Your AI Browser Sidekick (8.31K visits/mo), Glarity (188.82K visits/mo), Gene (2.49K visits/mo).
Awesome for reading dense PDFs without endless scrolling.
Logs out occasionally, but saves time overall.
Handy side panel summary tool.
Super useful reader companion.
AI-synthesized perspectives grounded in live site inspection, pricing structure, and category benchmarks — presented as editorial viewpoints rather than individual customer testimonials.
Generate a condensed overview of the article, blog post, or document you are currently viewing, so you can judge relevance in seconds.
Ask questions about the active page straight from the browser toolbar instead of opening a separate chat window and pasting text.
The extension is designed to handle YouTube video pages, PDFs, and blog posts, not just static HTML text.
Summaries and answers are produced through ChatGPT, so the tone and depth follow the model's general language ability.
Weighs under 300 KB and installs from the Chrome Web Store, so setup takes seconds and there is no separate account portal to manage.
Mindie is a browser extension built around one simple promise: you should be able to talk to whatever you are reading or watching, instead of skimming it yourself. Once installed, a toolbar control lets you generate an instant summary of the current page or PDF, and then ask direct questions about that material from the same panel. Because the conversation stays anchored to the open page, you avoid the classic workflow of highlighting text, switching tabs, and pasting context into a separate chatbot window.
The extension positions itself as a "second brain" for information overload. It handles long-form blog posts, documents, and video pages, which makes it useful for research, study sessions, and quick fact checks during the workday. It is distributed through the Chrome Web Store and the listing notes in-app purchases, so some capability may sit behind a paid tier even though the base install is free.
The listing is small and fairly early-stage: version 0.0.1, last updated in October 2023, with a modest user base and no ratings yet. That means you should treat it as a handy experimental helper rather than a polished enterprise tool, and expect the summary and Q&A quality to track whatever ChatGPT model the developer wires it to.
Summarize long PDFs and course readings, then quiz yourself with follow-up questions about key arguments before a seminar.
Open a stack of articles and pull a summary of each one to decide which deserves a full read.
Get the gist of a YouTube talk or tutorial page and ask targeted questions about specific claims.
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 |
|---|---|---|---|---|---|---|
| ● | Mindie - Your AI Second Brain | 0 | — | — | Free | Current |
| 1 | Walles.ai - Your AI Browser Sidekick | 8.31K | -39.2% | 67% direct | Freemium | vs Walles.ai - Your AI Browser Sidekick |
| 2 | Glarity | 188.82K | -49.6% | 7% direct | Freemium | vs Glarity |
| 3 | Gene | 2.49K | +87% | 39% direct | Free | vs Gene |
| 4 | Gist AI | 4.11K | -21.3% | 39% direct | Free | vs Gist AI |
| 5 | Merlin AI | 1.38M | +13.1% | 50% direct | Freemium | vs Merlin AI |
| 6 | Monica | 4.51M | -11.3% | 55% direct | Freemium | vs Monica |
Your GPT-powered sidekick for every page, PDF and video
Your GPT-powered sidekick for every page, PDF and video

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

A low-cost AI assistant that lives in your browser tab
A low-cost AI assistant that lives in your browser tab

One free Chrome extension that summarizes websites, YouTube videos and PDFs in a single click
One free Chrome extension that summarizes websites, YouTube videos and PDFs in a single click

One AI assistant that plugs ChatGPT, Claude and Gemini into every tab
One AI assistant that plugs ChatGPT, Claude and Gemini into every tab

All-in-one AI assistant across web, browser, desktop and mobile
All-in-one AI assistant across web, browser, desktop and mobile

Turn long articles, videos and PDFs into structured summaries you can actually search.
Turn long articles, videos and PDFs into structured summaries you can actually search.
Highlight the web, learn in public, and build your AI clone
Highlight the web, learn in public, and build your AI clone

Bottom Line Up Front for every page, PDF and video you read
Bottom Line Up Front for every page, PDF and video you read
AI sidebar and browser agent for reading, writing and research
AI sidebar and browser agent for reading, writing and research
Summarize, bookmark and write with AI right in your browser
Summarize, bookmark and write with AI right in your browser