Simon Willison’s Weblog

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21st March 2025

Tool Incomplete JSON Pretty Printer — Format truncated or incomplete JSON into readable structures with automatic live formatting as you type. This tool applies consistent indentation and proper spacing to malformed or partial JSON snippets, displays validation status, and allows copying the formatted output to the clipboard with a single click. Example data is available to test the functionality.
Posted 21st March 2025 at 5:10 pm

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