Parse Prometheus text, OpenMetrics and OTLP Metrics locally, then inspect metric families, histograms, label cardinality, PromQL and alerting rules.
Up to 10 MiB, 100,000 samples and 20,000 time series.
Metric families, label cardinality, PromQL, rules and format diagnostics will appear here.
This tool does not scrape endpoints, execute PromQL or emulate the Prometheus TSDB. Validate output with promtool and the target Prometheus.
Validate exposition data, inspect cardinality, and review PromQL and rules. Parse Prometheus text, OpenMetrics and OTLP Metrics locally, then inspect metric families, histograms, label cardinality, PromQL and alerting rules. The core workflow is designed to run in your current browser.
Yes. Prometheus / OpenMetrics Workbench opens in a modern browser and does not require desktop software installation.
Common use cases include Inspect exposition text and format details before publishing an endpoint; Locate high-cardinality labels and duplicate time series.
The core processing workflow is designed to run locally in the browser. Key capabilities include Parse Prometheus text, OpenMetrics 1.0 and OTLP Metrics JSON, Check metadata, histograms, summaries, samples and exemplars, Estimate label and time-series cardinality from the current sample; account, comments, and anonymous analytics may still create normal site requests.
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