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Simulate alerts before deploying. Test thresholds on real data. Eliminate false positives. Built for DevOps and SRE teams.
CSV, XLSX, JSON, or XML. All processing happens locally in your browser.
Set Emergency, Critical, and Warning thresholds with multiple conditions.
See which rows would trigger alerts. Iterate until noise disappears.
Review timeline charts, sensitivity curves, and distribution graphs.
Your data never leaves your browser. Zero privacy concerns.
Process millions of rows using Web Workers and streaming.
See how threshold changes affect alert rates with interactive charts.
Store threshold configurations and reload them anytime.
Combine metrics, dimensions, and aggregations for complex logic.
Export timeline charts and analysis as PDF or PNG.
Start simulating thresholds in seconds. No signup required.
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Composes a summary email via your default mail client. The alert overview is included in the message body.
Saves your current dimensions, facts, aggregations, and all alert rules so you can reload them instantly on any dataset.