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Dev Tools
JSON Lines Viewer
View and inspect JSON Lines (JSONL / NDJSON) files online. Paste or upload a file and browse each record pretty-printed, with per-line validation, search and table view — all client-side.
jsonlndjsonviewer +5
Logfmt Formatter
Format, validate, and convert logfmt key=value structured logs. Prettify, expand one field per line, align into a table, or convert to JSON. Detects unterminated quotes and duplicate keys — used by Heroku, Go, and container logs.
logfmtlogsstructured logging +6
Logfmt Parser
Parse logfmt key=value structured logs into typed fields. Inspect every key with its detected type, see a key-schema summary across records, and export to JSON, NDJSON, or CSV. Validates quotes and duplicate keys.
logfmtlogsparser +7