Simon Willison’s Weblog

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26th March 2025

Tool Lightning Timer — Track time with Lightning Timer, a full-screen countdown application that displays elapsed seconds in large, easy-to-read format. Click the timer display to start, pause, or reset the countdown, and access the settings icon to configure the total duration and optional warning threshold that triggers a visual color change. The timer supports URL-based configuration for quick setup and displays the remaining time in both the page and browser title bar.

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This is a beat by Simon Willison, posted on 26th March 2025.

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