Free Online Calculators, Converters & Developer Tools
BroHelp.me provides over 2000 free, instant, and privacy-focused online utilities for math, unit conversions, number bases, text manipulation, and developer workflows. All tools run client-side right in your browser with zero registration required.
Featured Tools
Explore these randomly selected tools or browse through the complete directory in the sidebar menu.
- Teslas To Nanoteslas Converter Convert Teslas (T) to Nanoteslas (nT) or switch the direction selector to convert back.
- Liters To Imperial Bushels Converter Convert Liters (L) to Imperial Bushels (Imp bu) using the standard unit ratio; switch directions to convert back.
- Newtons per meter to Micronewtons per meter Converter Convert surface tension from Newtons per meter (N/m) to Micronewtons per meter (µN/m); switch direction to convert back.
- Imperial Bushels To Milliliters Converter Convert Imperial Bushels (Imp bu) to Milliliters (mL) using the standard unit ratio; switch directions to convert back.
- Millimeters per meter-kelvin to Per kelvin Converter Convert linear thermal expansion coefficient from Millimeters per meter-kelvin (mm/(m·K)) to Per kelvin (K⁻¹); switch direction to convert back.
Browse by Category
Jump straight to a category to see its full list of tools plus a few featured picks.
- Unit Converters Convert between metric, imperial and engineering units for length, area, volume, weight, temperature, speed, pressure, energy, power, thermal properties, electromagnetism, photometry, water hardness, typography, and specialist scientific measurements.
- Math Tools Calculators for arithmetic, trigonometry, number bases and checksums, built for students, engineers and developers.
- Text & Encoding Tools Clean, format, analyse and encode text online, from case conversion and duplicate-line removal to word counts, Base64, hex, Unicode and URL encoding.
- Developer & Design Tools Color format converters, timestamp tools and browser information checks for web developers and designers.
- Generators Generate random numbers, digit codes, letters, passwords, colors, MAC addresses, and dice rolls for testing, games, and everyday use.
- Everyday Tools Quick helpers for daily life: calculate discounts, keep a tally with a click counter, or let chance make a yes-or-no decision.