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Create QR codes for URLs, text, WiFi, contacts instantly. Download as PNG.

Compress images while preserving quality. Reduce file size for faster uploads.

Test your download speed, upload speed, ping, and jitter. Track your connection history.

Get current weather and 5-day forecast for any city worldwide with detailed conditions.

All-in-one calculator: Scientific, Programmer, Unit Converter, Financial & Date/Time modes. Keyboard support, history & more.

Convert times across 12 major time zones for meeting scheduling.

Calculate business days between dates excluding weekends for project planning.

Calculate invoice totals with line items, tax, and discounts for freelancers.

Convert hourly to yearly salary with state-by-state tax estimates.

Calculate tips, split bills, and get per-person amounts for dining out.

Calculate percentages, discounts, increases, decreases, and percentage changes.

Create custom workout or study routines with multiple intervals and rounds. Save your favorite routines.

Generate multiple RFC4122 UUIDs instantly (crypto based when available).