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Your conversations, in your hands

Protecting Personal Thinking.

Save your AI conversations as files you own. Search, organize, and continue them with LocalThink.

Download LocalThink for macOS Get LTF Builder

LocalThink 0.1.0 for macOS · LTF Builder for Chrome

LocalThink search view showing three saved conversations about research in an example library.
Find the conversations and ideas you want to return to.LocalThink search · Example library shown

From a useful conversation to lasting knowledge.

Capture once. Come back whenever you need it.

  1. Save

    Use LTF Builder to export conversations from ChatGPT, Claude, Gemini, and Grok as readable LTF files.

  2. Organize

    Add your files to LocalThink. Build a library you can search and revisit whenever you need it.

  3. Continue

    Find the reasoning behind an earlier idea, reopen the conversation, and pick up where you left off.

Tools for your AI conversations

Save them from the browser. Make them useful on your desktop.

Desktop app · 0.1.0

LocalThink for macOS

Search, organize, and continue your saved AI conversations in a local-first desktop app.

Download LocalThink for macOS

Chrome extension

LTF Builder

Export conversations from ChatGPT, Claude, Gemini, and Grok as portable LTF files. Free, with no signup required.

Get LTF Builder

Your conversations should remain yours.

We build standards and tools that help people own, preserve, and extend their thinking in the age of AI.

Explore LocalThink Format

Readable files

LTF stores your conversations as Markdown-based .ltf.md files you can keep and read.

Portable by design

An open format lets you move your conversations between tools and build on them over time.

Local-first

Your saved conversation library stays on your computer. Chat can use a local model or an external provider you configure.

Latest Updates

Notes, essays, release logs, and founder letters from the LocalThink project.

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6/25/2026, 4:54:18 AM

Why We Started LocalThink

As AI becomes part of human thinking, we believe the memory, reasoning, and knowledge created between humans and machines should belong to the people who create it.