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Logs tools.

Build and test the patterns that parse your logs, against real sample lines.

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Logs tools

  • Logs Live

    Regex Log Tester

    Test regular expressions against your log lines — live matches and groups.

    Paste a regex and sample log lines, see live matches, capture groups and named groups. Built for log parsing, runs entirely in your browser.

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  • Logs Live

    jq Playground

    Test jq expressions against your JSON — real jq 1.8.2 running in your browser.

    Run the real jq 1.8.2 binary, compiled to WebAssembly, against your own JSON — no server round-trip, no upload, and no re-implementation that "mostly" matches. One card per output, honest compile/runtime/parse-error classification, and -r/-s/-n/-c as one-tap toggles.

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