Text & JSON Diff Viewer

Original (Before) TEXT

Modified (After) TEXT

Sample comparison loaded. Click 'Compare Diff' to view changes.

Compare Text and JSON with Confidence

Whether debugging API payload changes, reviewing config files, or inspecting prose modifications, the Diff Viewer gives you precision at line level.

Semantic JSON SortingWhen enabled, JSON keys are sorted alphabetically before comparison. This prevents false positives caused solely by reordered keys in your objects.

100% Client-Side PrivacyYour sensitive tokens, secret configs, and proprietary code never touch our servers. All diff calculations run locally in your browser.

Using Diff Viewer

Paste the original and changed text into the two editors. Choose your comparison settings and inspect additions and deletions in the result.