Free Online Calculators, Converters & Developer Tools
BroHelp.me provides over 500 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 Feet Converter Free online Meters To Feet Converter. Convert lengths from meters to feet accurately with conversion formula, reference table, and real-time calculation.
- Hamming (15,11) Calculator Free online Hamming (15,11) code calculator. Encode 11 data bits into a 15-bit codeword with single-error correction capability.
- Meters To Miles Converter Convert meters to international miles using the exact relationship 1 mile = 1,609.344 meters.
- Therms To Kilowatt-Hours Converter Convert US therms to kilowatt-hours online. One US therm is 100,000 BTU, about 29.3071 kWh.
- Ampere-seconds To Coulombs Converter Convert ampere-seconds to coulombs. One ampere-second equals one coulomb.
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, electric charge, frequency and digital storage.
- 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 word counts to 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.