JSON Log Flattener
Flatten nested JSON log objects to dotted-key or CSV form for grepping and analysis.
Runs 100% in your browser. Nothing you enter is uploaded or stored.
| ts | 2026-06-26T10:00:00Z |
| level | error |
| svc | api |
| req.method | GET |
| req.path | /health |
| tags[0] | prod |
| tags[1] | us-east |
| latency | 128 |
ts,level,svc,req.method,req.path,tags[0],tags[1],latency 2026-06-26T10:00:00Z,error,api,GET,/health,prod,us-east,128
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