Free tools
Small tools for the questions logs and traces raise
No sign-up, nothing to install, and every result is a link you can paste into a ticket. They work without JavaScript, too.
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Log volume & cost calculator
Events per second to GB a day, a per-GB SaaS bill, and the disk the same logs need on your own box.
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Log levels, mapped
Syslog, PSR-3, Python, Log4j, slog, pino, .NET and Ruby levels side by side, on the OpenTelemetry severity scale.
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Traceparent decoder
Decode, validate or generate a W3C Trace Context traceparent header.
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Timestamp converter
Unix seconds, milliseconds, microseconds and nanoseconds to dates and back — OTLP and ClickHouse formats included.
Made by Bilis — self-hosted logs, traces and metrics that you and your coding agent read alike. Self-hosting is free and first-class; a hosted Free plan exists too. See what it does.