Collectorium

Collect structured data from web pages using AI autofill. Define custom fields, extract info with any LLM, and export to CSV.

Collectorium — AI-powered web data collector Collectorium lets you define custom data schemas and collect structured information from any web page — with one-click AI autofill or manual entry. How it works Create a session with the fields you want to collect (price, address, name, notes, etc.) Browse to any page and open the side panel Hit AI Autofill — the LLM extracts the data into your fields automatically Save, review, and export to CSV Key features AI Autofill — works with OpenAI, Ollama (local), Groq, OpenRouter, or any OpenAI-compatible API Custom fields — text, number, dropdown, checkbox, date, email, phone, URL, long text Draft persistence — unsaved form data survives panel closes Duplicate detection — warns before overwriting an existing entry for a page Data search — filter collected entries instantly Session templates — export and share your field schemas as JSON Confidence indicators — highlights fields the AI was uncertain about CSV export — one click to download your data Privacy All data is stored locally in your browser. Nothing is sent anywhere except to the LLM API you configure. LLM setup Works out of the box with OpenAI (bring your API key). Also supports free options via Groq or OpenRouter, and fully local models via Ollama — no data leaves your machine.