An instantly usable To-Do List desktop Web App, no sign-up/log-in
... by saving data in the URL, base64 encoded. About a year ago I wanted a fast, simple, throwaway, no sign-up/log-in To-Do List at my fingertips at work, I couldn't find one so I built one myself, in a quick and dirty way. Recently I decided to release to public, so I rewrote, productise it a bit, added markdown support, added dark mode, added extension for chromium browsers etc, and this is it. May you find this small utility website useful if you happen to need something like this as well. Some tech & non-tech bullets - Pure static website - Data goes up to URL on updating, base64…
In plain words
This is a no-login to-do list web app that stores data directly in the URL using base64 encoding, making it instantly usable without sign-up or account creation. It works as a pure static website built with React and Redux, offering markdown support and dark mode. The app is designed for users who need a quick, simple task list at work or elsewhere, with a Chromium browser extension also available for convenience.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
... by saving data in the URL, base64 encoded. About a year ago I wanted a fast, simple, throwaway, no sign-up/log-in To-Do List at my fingertips at work, I couldn't find one so I built one myself, in a quick and dirty way. Recently I decided to release to public, so I rewrote, productise it a bit, added markdown support, added dark mode, added extension for chromium browsers etc, and this is it. May you find this small utility website useful if you happen to need something like this as well. Some tech & non-tech bullets - Pure static website - Data goes up to URL on updating, base64 encoded, non-hashed spa style - Rewrote with React & Redux - ChatGPT assistance for markdown parsing, regex and its unit testing - Playwright for testing - CDN with AWS CloudFront Any feedback and comments are appreciated. ---- A note on saving data in the URL, To-Do lists usually wouldn't be too long so saving its data in URL seems a natural fit, plus my initial sketchy research showed ff max URL is 64k and chrome can go MBs. But actually in real world, if you take server and CDNs into consideration, 8k seems to be a de facto limit (https://stackoverflow.com/a/417184), still enough for usual todo lists :) Previous discussions on HN about saving data in URL, https://news.ycombinator.com/item?id=34312546, https://news.ycombinator.com/item?id=2464213, https://news.ycombinator.com/item?id=20317840
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