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19th December 2025

Tool JSON Diff Tool — Compare JSON documents side-by-side to identify additions, removals, and modifications between two versions. The tool displays differences with color-coded highlighting and provides character-level detail for string changes, making it easy to spot exactly what has changed. Preloaded examples are available to explore common use cases like configuration updates, user profile changes, and API response comparisons.

This is a beat by Simon Willison, posted on 19th December 2025.

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