Simon Willison’s Weblog

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27th February 2026

Tool Unicode Explorer — Binary Search Over HTTP — View Unicode characters and their properties through an interactive binary search algorithm that makes real HTTP Range requests to fetch individual records from a binary database. Enter a character or Unicode codepoint to see each step of the search visualized in a network log, including fetch times and comparisons.
Posted 27th February 2026 at 4:01 pm

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