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.
- Microjoules To Joules Converter Convert Microjoules (uJ) to Joules (J) using the standard unit ratio; switch directions to convert back.
- Centimeters per second To Meters per second Converter Convert Centimeters per second (cm/s) to Meters per second (m/s) using the standard unit ratio; switch directions to convert back.
- US Gallons To US Quarts Converter Convert volume from US Gallons (US gal) to US Quarts (US qt). One US gal equals 4 US qt; select the reverse direction to convert back.
- Metric Tons To Pounds Converter Free online Metric Tons To Pounds Converter. Convert weights from metric tons to pounds with a reference table and instant calculation.
- Cosine Calculator Free online cosine calculator. Calculate cos(x) for angles in degrees or radians with instant results and conversion table.
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.