Briefer

Instantly summarize articles, YouTube videos, Coursera & DeepLearning.AI courses — TLDR, key points, AI sketchnote.

Briefer reads any article, blog post, research paper, or YouTube video and generates a structured AI summary in seconds — right in your browser's side panel. No copy-pasting. No tab switching. ⚡ INSTANT SUMMARIES Get a TLDR, key points, and takeaway from any page in seconds. Two modes to choose from: • Quick Read — fast overview with the essentials • Deep Dive — breaks down the core argument, solution mechanism, structural shift, and why it matters 📺 YOUTUBE & COURSE SUPPORT Summarizes YouTube videos and DeepLearning.AI courses directly from their transcripts. Great for lectures, talks, and tutorials. 🎨 AI DOODLE (SKETCHNOTE) Generate a visual sketchnote-style mind map of the content — powered by Gemini's image model. Helps ideas stick in memory. 📚 HISTORY & TOPICS Every summary is saved automatically and grouped by topic. Your personal knowledge base grows with every page you read. 🔑 BRING YOUR OWN KEY — NO SUBSCRIPTION Briefer uses your free Google Gemini API key directly. No monthly fee. No Briefer account. No middleman. 🔒 PRIVATE BY DESIGN • Page content is extracted locally inside your browser tab — never sent to Briefer • AI calls go directly from your browser to Google Gemini • Your API key is stored in Chrome's encrypted storage — never shared • Summaries are saved locally on your device only • No analytics. No backend server. No tracking. 🌐 OPEN SOURCE Briefer is free and open source (MIT). Source code available at github.com/steepworksai/Briefer. HOW TO GET STARTED 1. Add your free Google Gemini API key (get one at aistudio.google.com) 2. Navigate to any article, video, or course page 3. Click the Briefer icon to open the side panel 4. Your summary appears in seconds