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.
- Meters To Nautical Miles Converter Convert between meters and international nautical miles by selecting a direction, using the exact relationship 1 nautical mile = 1,852 meters.
- Miles To Furlongs Converter Convert miles to furlongs using the exact definitions of 1609.344 meters per mile and 201.168 meters per furlong.
- Days To Minutes Converter Convert between Days and Minutes. Switch directions, enter a value, and compare results in the conversion table.
- Random MAC Address Generator Free online MAC address generator. Create random unicast or multicast MAC addresses for network configuration and testing.
- Nanofarads Per Meter To Microfarads Per Meter Converter Convert permittivity between nanofarads per meter (nF/m) and microfarads per meter (µF/m) in either direction.
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.