Simon Willison’s Weblog

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

Recent articles

Conceptual integrity and counting lines of code - 19th August 2026
Qwen 3.8 27B is excellent, but it defaults to wildly overthinking things - 16th August 2026
Now we have a timeline of the OpenAI accidental attack against Hugging Face - 7th August 2026

This is a beat by Simon Willison, posted on 27th February 2026.

http 124 unicode 35 http-range-requests 12

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