vanta.

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A minimal checklist app. Single HTML file, no dependencies, no server — just open it in a browser.

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features

• tasks — add, check off, edit in-place, delete
• separators — visual dividers to group tasks into sections
• drag to reorder — grab the handle on any item and drop it where you want
• undo / redo — full history via Ctrl+Z / Ctrl+Y
• profiles — save named snapshots of your list; switch between them from the sidebar
• import / export — back up or restore your list as a .json file
• themes — three built-in themes: focus, minimal, paper
• persistent settings — last-used theme is saved to localStorage (or vanta.settings.json via the File System Access API)
• zero dependencies — one self-contained .html file

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getting started

# no install needed — just open the file
open vanta.html

Or drop it on any static file server. Works entirely offline.

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keyboard shortcuts

key	action
Enter	add task
Ctrl+Enter	add separator
/	focus task input
Double-click	edit task text / rename profile
Esc	cancel edit
Ctrl+Z	undo
Ctrl+Y	redo
Ctrl+S	save to current profile
Ctrl+M	toggle sidebar
drag handle	reorder item

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profiles

Profiles are named snapshots of your task list, stored in localStorage.

• save — press + in the sidebar, or hit Ctrl+S at any time
• open — click the arrow › next to any profile name
• rename — double-click a profile name in the sidebar
• delete — click the × next to a profile
• export — downloads a vanta-checklist.json file of your current list
• import — loads a previously exported .json file

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themes

Switch themes from the bar at the bottom of the screen.

name	description
focus	near-black, teal accent — high contrast for deep work
minimal	dark grey, white accent — neutral and quiet
paper	warm cream, slate accent — easy on the eyes

Theme preference is saved automatically.

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file structure

vanta.html              — the entire app (HTML + CSS + JS)
icon.png                — favicon
screenshotcover.png     — cover image (used in this README)

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local storage keys

key	contents
vanta_settings	{ theme: string }
vanta_profiles	{ profiles: Profile[], counter: number }

Profiles are stored as plain JSON arrays. Each profile holds a copy of the items array at save time.

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license

This project is licensed under Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0).

You are free to use, share, and adapt this software for non-commercial purposes, provided appropriate credit is given. Commercial use is not permitted.

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disclaimer

This app is provided as-is, without warranty of any kind. The developer makes no guarantees regarding data integrity, loss, or corruption. You are solely responsible for any data you enter, store, or manage using this application, and for any consequences arising from its use. Use at your own risk.