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Remove duplicate lines from text instantly. Compare by case, trim whitespace, keep first or last occ...
Search and replace text patterns with regex support. Find matches instantly, preview changes, and ap...
Convert text between UPPERCASE, lowercase, Title Case, Sentence case, and programming formats like c...
Test your internet connection speed instantly. Measure download, upload, ping latency, and jitter wi...
Check your internet connection status and quality. Monitor network health with real-time diagnostics...
Check which Web APIs and features your browser supports. Scan 100+ features across storage, graphics...
Generate and analyze User Agent strings for any browser, OS, and device. Perfect for developers, tes...
View detailed information about your browser, device, operating system, and system settings. Include...
Find geolocation and network information for any public IP address. See country, city, ISP, and view...
Check your public IP address, location, ISP, and network information instantly. View your IPv4 and I...
Test your touchscreen for dead zones, multi-touch support, and responsiveness. Draw mode for accurac...
Test, calibrate, and fix your display with 12 professional tools: Dead Pixels, Master Pattern, SMPTE...