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Dev Tools
jq Query Tester
Test jq filter expressions against JSON in your browser. Pipe, select, map, sort_by, group_by, and more — entirely client-side with sample queries and inline errors.
JSONPath Tester
Test and evaluate JSONPath expressions against JSON data instantly in your browser.
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.
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.
SQLite Browser
Upload and explore SQLite database files in your browser. Browse tables, view data, and run SQL queries — no server needed.