LOCAMO icon

LOCAMO

A local-first memo app that runs entirely in a single HTML file.

No server, no build tools, no dependencies — just open it in your browser and start writing.

LOCAMO dark mode interface

Why LOCAMO?

Everything you need, nothing you don't

why-locamo.md
// What you get with a single HTML file instant_access — Bookmark it. Your notes are one click away. no_app_switch — Runs in your browser. No extra app to open. blazing_fast — One file. Zero network requests. Instant. zero_infra — No database, no server. Just a file. fully_offline — Works via file:// with no internet. hackable — It's HTML, CSS, JS. Edit anything. ai_friendly — Symlink it. AI agents read your TODOs.

Features

Simple, powerful, and self-contained

  • Self-contained single HTML file

    UI, logic, and data all in one file — TiddlyWiki-style

  • Works offline

    Open via file:// protocol — no server needed

  • Multi-page memo organization

    Add, delete, and rename pages freely

  • Plain text editor

    Monospace font for distraction-free writing

  • Save in place

    Cmd+S / Ctrl+S using the File System Access API

  • Dark / Light theme

    Toggle between themes with a click

  • Keyboard shortcuts

    Option+N to create, Option+Up/Down to switch pages

  • Unsaved changes indicator

    Save hint pulses orange when you have unsaved edits

  • Customizable app title

    Click the title to rename your LOCAMO instance

LOCAMO light mode interface

Get Started

Three steps. No install required.

1

Download

Clone the repository or copy the HTML file.

$ git clone https://github.com/daiaoki/locamo.git $ cp locamo/locamo.html ~/Documents/
2

Open

Double-click the file or open it in Chrome / Edge.

$ open ~/Documents/locamo.html
3

Write

Start creating pages and writing. Save anytime with Cmd+S.

That's it. No config needed.
Requires Google Chrome or Microsoft Edge. Firefox and Safari do not support the File System Access API.