JSON Formatter
Format, validate, and inspect JSON in your browser.
Search, filter, highlight, and deduplicate logs locally.
Paste logs: 2026-10-01T10:00:00Z INFO Request 192.168.1.2 status 200 2026-10-01T10:01:00Z ERROR Connection timed out 2026-10-01T10:01:00Z ERROR Connection timed out Severity: All Repeated lines: Keep all
Use the labeled units and valid paste logs. The Example button supplies a reproducible starting input.
Format, validate, and inspect JSON in your browser.
Inspect token headers and payloads without uploading them.
Create cryptographically random version 4 identifiers.
Your result will appear here.
Enter your input, then run the tool.