Flashtype

Frequently asked questions

Everything about Flashtype - the simple, Notion-like Markdown editor for Mac with Claude Code and Codex built in. Can't find your answer? Open an issue on GitHub.

Free & open source · macOS · Version control built in

About Flashtype

What is Flashtype?

Flashtype is a simple, Notion-like Markdown editor for Mac with Claude Code and Codex built in. Open a folder of local files and write in rich text. CSV files open as tables and Excalidraw files open as diagrams. Claude Code or Codex edits the same files, and you keep or undo each change. Version control works without Git. Flashtype is free and open source. Built by Opral.

Who is Flashtype for?

Anyone who works in markdown: developers, technical writers, product managers, and note-takers who want AI help drafting and editing without giving up control of their files.

What makes it different from a normal markdown editor?

Two things. Claude Code and Codex edit your files, and you keep or undo each change. Version control is built in for Markdown, CSV, and Excalidraw files, without Git.

When should I choose Flashtype over another Markdown editor?

Choose Flashtype if Claude Code or Codex edits your files and you want to keep or undo each change. Choose Obsidian for a linked knowledge base with plugins. Choose Nimbalyst to run many coding sessions in parallel. Choose Typora or iA Writer to write without AI. Flashtype runs on macOS only.

What is Flashtype built on, and what is Lix?

Flashtype is built in TypeScript and open source under the MIT license. Its version control and diffs run on Lix, an open version control system that can track any file format.

AI agents & editing

How do AI edits work?

Run Claude Code or Codex in a pane beside your draft. The agent reads and edits the same local files - no copy-paste. Each change appears as an inline diff right in the document.

Can I review changes before they're saved?

Yes - that's the core idea. Agent changes land as inline diffs. Accept the good ones, reject the rest. Nothing changes without you seeing it first.

Does Flashtype replace the Claude Code or Codex CLI?

No. Flashtype runs the real agents underneath and adds a visual editing and review layer - rich-text editing, inline diffs, and version control - on top of them.

Do I need a Claude or OpenAI subscription?

Yes - you bring your own Claude Code or Codex access (subscription or API key). Flashtype itself is free.

Can I use Flashtype without AI?

Yes. It's a full WYSIWYG markdown editor on its own - headings, lists, and links render live as you type. The agents are optional.

Version control & history

Does Flashtype have version control?

Yes. Version control is built into Flashtype and powered by Lix. Every change - yours or the agent's - is tracked automatically, so you can see what changed, compare versions, and restore any earlier state of a document.

Do I need Git?

No. Flashtype's version control runs on Lix (lix.dev), not Git. There's no Git client to install, no commits to write, and no merge conflicts to resolve.

How is Flashtype's version control different from Git?

Git is built for code: you stage and commit changes by hand, and diffs compare lines of text. Flashtype's version control runs on Lix, which tracks every change automatically and understands markdown structure, so diffs show the edited words, list items, and table rows.

Can I roll back changes?

Yes. Every change is checkpointed automatically via Lix. Browse a document's full history and restore any earlier version - yours or the agent's - in one click.

Files, privacy & data

Does Flashtype work with local files?

Yes. Open any folder on your Mac - notes, docs, or a repo. Documents stay plain .md files and tables stay plain .csv files. You do not need an account. Other apps can open your files.

What file types does it support?

Markdown (.md and .markdown), CSV (.csv), and Excalidraw (.excalidraw) files. CSV files open as typed tables with filters and saved views. Excalidraw files open in a full Excalidraw editor.

Where is my data stored? Is it private?

Your files stay on your Mac as plain local files. If you turn on optional cloud sync, LixRay (lixray.com) keeps a synced copy for you and your team. When you use an agent, content goes to your chosen AI provider (Anthropic or OpenAI) under their terms, as with the CLI.

Sync & teams

Can my team work together in Flashtype?

Yes. Turn on optional cloud sync through LixRay (lixray.com). Your team then shares a folder, uses real-time co-editing, and sees the same checkpoints. Flashtype itself works offline. Only Claude Code, Codex, and sync need an internet connection.

Do I need an account?

No. Flashtype works on local files without an account. You need a LixRay account only for cloud sync. To use Claude Code or Codex, you need your own subscription or API key.

Pricing & licensing

Is Flashtype free?

Yes - completely free. You only need your own Claude Code or Codex access for the AI features.

Is it open source?

Yes, released under the MIT license. The source lives at github.com/opral/flashtype.

Can I contribute or report bugs?

Absolutely. Issues, pull requests, and stars are welcome on GitHub, and you can join the community on Discord.

Getting started

What platforms does Flashtype support?

macOS today. Windows and Linux aren't available yet.

How do I install it?

Download the latest macOS build from the releases page or flashtype.ai, then open a folder of markdown files to start writing.

Try Flashtype for yourself

Free & open source · macOS