SigmaNote

Quick info

Pricing: Freemium
Categories: Productivity
Last updated: Apr 21, 2026

Description

SigmaNote is an AI-powered tool designed to transform any file, link, or video into editable, searchable, and chat-enabled notes. It functions as a 'Second Brain' by allowing users to capture diverse content, convert it into clean, AI-ready Markdown notes, and then interact with these notes through search, chat, and organization features. The platform aims to help users efficiently capture, convert, and remember information, providing a unified workspace for raw sources, personal notes, and AI chat.

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