Memory Vault: Semantic History Search

About

Memory Vault: AI-Powered Browser History

Find pages by what they’re about, not what they’re called.

Memory Vault indexes your browsing history using semantic embeddings, so you can search by meaning instead of exact keywords.

The Problem:
You read something useful a few weeks ago. Now you need it. You search your history but can't remember the exact title, and Chrome's history search only matches literal text.
If the words aren't in the title, you're stuck scrolling.

How Memory Vault Fixes This:
Memory Vault uses Google Gemini to understand page content, then stores embeddings locally. When you search, it finds pages that mean the same thing as your query, not just pages that contain those words.

Example:
You search: "database tradeoffs"
Chrome history: Nothing (the title was "Understanding the CAP Theorem")
Memory Vault: Finds it instantly, because it knows what the page was about

Features:
• Semantic search: Query by concept, not keywords
• Local storage: Your data stays in your browser. Nothing is sent to any server except Google's API for processing
• Automatic capture: Pages are indexed in the background as you browse
• Handles thousands of pages: Efficient IndexedDB storage with automatic pruning

Setup (2 minutes):
Install the extension
Grab a free API key from Google AI Studio
Paste it in when prompted
Browse normally. Memory Vault handles the rest

What You Need:
A free Google Gemini API key. The extension will walk you through getting one. It takes about 30 seconds.

Built because I got tired of losing articles I'd already read.