Tutorial: Building an Offline Study Timer with AI Coding Tools
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On October 5, 2026, DEV Community's Vibe Coding section published a tutorial showing how to use Claude Code, Codex, Cursor, or Antigravity to generate a single-file index.html study timer. The timer stores its data in the browser's localStorage, runs offline, and needs neither an account nor a server. The point of the tutorial is to have those AI coding tools produce this one HTML file directly, sidestepping any backend or login system. As of the latest report, this is still just a tutorial: no tool version updates, code repositories, or follow-up hands-on results have appeared.
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- DEV Community · Vibe CodingHow I built a study time tracker by hand with Claude Code, Codex, Cursor, and Antigravity
This tutorial shows how to use Claude Code, Codex, Cursor, or Antigravity to generate a single-file index.html study timer, with data stored in the browser's localStorage, so it runs offline with no account or server.
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