🪆 matryoshka

turn mountains into molehills (then molehills into anthills) with matryoshka,
the nested task manager that breaks complex tasks into manageable subtasks.

try it now in your browser ! (physical keyboard required)

key features

• unlimited subtask depth
• intuitive keyboard controls
• automatic saving using browser's local storage
• "single html file" architecture that works completely offline

quickstart

1. press the Return / Enter key to add subtasks to the root "todo" task
2. give each new subtask a meaningful name
3. use Shift + Arrow Right to navigate into a subtask
4. use Shift + Arrow Left to return to the parent task
5. use Shift + Enter to quickly mark tasks as complete or incomplete

controls

navigation

• Arrow Up/Down move between tasks at the same level
• Shift + Arrow Right navigate into a subtask
• Shift + Arrow Left return to the enclosing parent task

task management

• Enter add a new task
• Arrow Down (on last subtask) add a new task at the bottom of the list
• Backspace (when selected task's text is empty) remove the task and its subtasks
• Shift + Enter toggle selected task's completion status
• Shift + Arrow Up/Down reposition the selected task within its current level

text editing

• Left/Right move text cursor within selected task
• Command/Ctrl + C copy the selected task's text (or highlighted substring)
• Command/Ctrl + X cut the selected task's text (or highlighted substring)
• Command/Ctrl + V paste text content from the clipboard
• Command/Ctrl + Z undo text edit
• Command/Ctrl + Shift + Z redo text edit

data persistence

your task tree is automatically saved to your browser's local storage after each edit. this ensures your tasks will persist even if you close the browser or refresh the page.

⚠️ warning: clearing your browsing data may erase your saved tasks. to avoid losing progress, create a manual backup before clearing your browsing data:

• Command/Ctrl + S export tasks to .txt file
• Command/Ctrl + O import tasks from .txt file

themes

press F2 to cycle through available themes.

to create a new theme, add a CSS ruleset with the following structure to index.html:

:root[data-theme="sunflower"] {
	--background: var(--pollen);
	--text: var(--loam);
	--highlight: var(--chlorophyll);
	--accent: var(--terracotta);
}

You can also use themes to set custom fonts, etc:

:root[data-theme="medieval"] {
	--background: var(--moss);
	--text: var(--goat-milk);
	--highlight: var(--burl);
	--accent: var(--flame);
	& input[type="text"] {
		font-family: MedievalSharp;
	}
}

You can store named colors in the :root selector at the top of the <style> tag:

:root {
	--pollen: #f4a127;
	--loam: #5a352b;
	--chlorophyll: #5aa83b;
	--terracotta: #b15c2e;

	--wheat: #d2c3a3;
	--earth: #4a3c31;
	--pumpkin: #cb7c52;
	--tobacco: #7d6c55;

	--moss: #20302f;
	--goat-milk: #d8d3c9;
	--burl: #231f20;
	--flame: #c63728;

	.
	.
	.
}

browser compatibility

this application is designed to run on modern web browsers with javascript enabled. mobile browsers are technically supported, but a physical keyboard is required (for now).

privacy

all data is stored locally on your machine. no data is sent to or stored on any external servers.

licenses

this project is licensed under the GNU General Public License v3.0.

the MedievalSharp font by Wojciech Kalinowski is licensed under the SIL Open Font License, version 1.1.

the Basteleur font by Keussel (distributed by Velvetyne) is licensed under the SIL Open Font License, version 1.1.