Utilities — free online tools

All Utilities tools (7)

• Random Number Generator — Generate random numbers with custom range and quantity
• Color Converter — Convert colors between HEX, RGB, HSL, HSV, CMYK
• Date Difference Calculator — Calculate days, months and years between two dates
• Discount Calculator — Calculate discounted price, savings and percentage off
• Dice Roller & Coin Flip — Roll up to 10 dice of any size or flip coins — cryptographically random
• Text to Speech — Read text aloud using your device’s built-in voices — nothing leaves your browser
• Screen & Browser Info — See your screen resolution, viewport, pixel ratio, language and browser details

Why use Toolskyt Utilities

• Everyday Simple Tools — Find discount percentages, date durations, and hex values without navigating complex apps.
• Secure Random Generation — Generate high-entropy random selections and coin flips completely client-side.
• Zero Latency Performance — Optimized, modular functions execute mathematical computations instantly under 1ms.

Frequently asked questions

How is the random number generated?

We utilize the high-entropy cryptographically secure `crypto.getRandomValues()` API where available, fallback to standard random formulas.

Does the date calculator consider leap years?

Yes, it counts exact calendar intervals, including months, weeks, and days, fully factoring in leap-year adjustments.

Can I copy conversion results directly?

Yes, color converters and random generators include one-click clipboard copy triggers for instant integration.