Back to Compare Diff

JSON Diff

JSON Diff Online

Compact JSON can make important changes hard to see. Compare Diff lets you format JSON first, then review a cleaner text diff locally in your browser.

Open the comparison workspace

Format JSON before comparing

Pretty formatting turns compact payloads into readable lines so added, removed, or changed fields are easier to inspect.

Compare API responses and config values

Use the editor for API response samples, feature flags, package metadata, and other JSON-like configuration text.

Keep payloads on your device

The formatting and comparison workflow runs in the browser, which is useful when you are reviewing sensitive examples.

Use cases