PrismKitWebDevice InfoDevice InfoRuns in your browserLocalCopy linkMarkdownRead back what the browser exposes about your screen, viewport, platform, and capabilities.DMARC Report AnalyzerTurn a DMARC aggregate report (XML or .xml.gz) into pass rates and a filterable table of sending sources.Keyboard TesterCheck every key on your keyboard with a live on-screen layout that lights up held keys, remembers tested ones and measures key rollover.