Free Online Calculators, Converters & Developer Tools
BroHelp.me provides over 160 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.
- Dice Roller Free online virtual dice roller. Roll single or multiple 6-sided dice with fair random numbers for games and statistics.
- Pounds To Kilograms Converter Free online Pounds To Kilograms Converter. Convert weights from pounds to kilograms with conversion formula, reference table, and instant calculation.
- Delisle To Celsius Converter Free online Delisle To Celsius Converter. Convert temperature from Delisle (°De) to Celsius (°C) with conversion formula, reference table, and instant results.
- Binary To Decimal Free online binary to decimal converter. Convert numbers from base 2 to base 10 instantly with fast and accurate calculation.
- Ln Calculator Free online natural logarithm calculator. Calculate ln(x) with base e instantly with high mathematical accuracy.
Browse by Category
Jump straight to a category to see its full list of tools plus a few featured picks.
- Math Calculators Solve everyday math problems instantly, including square roots, logarithms, exponents, factorials, Fibonacci numbers, rounding, and prime checks.
- Length Converters Convert between metric and imperial length units, including meters, feet, inches, miles, and nautical miles.
- Weight Converters Convert weight and mass between micrograms, milligrams, grams, kilograms, ounces, pounds, stones, carats, troy ounces, and metric or US short tons.
- Trigon Functions Calculate sine, cosine, tangent, and their inverses, convert angles between degrees, radians, gradians, turns, and DMS, and solve circle arc, chord, and sector problems.
- Base Converters Convert numbers between binary, decimal, hexadecimal, octal, Gray code, and base 36.
- Text Tools Transform and analyze text with case converters, counters, a text diff, URL and Unicode encoders, and other everyday writing utilities.
- Data Converters Convert digital storage units from bytes to petabytes using both decimal (1000) and binary (1024) standards.
- Generators Generate random numbers, digit codes, letters, passwords, colors, MAC addresses, and dice rolls for testing, games, and everyday use.
- Temperature Converters Convert temperature values between Celsius, Fahrenheit, Kelvin, Rankine, Reaumur, Newton, and Delisle scales.
- Power Converters Convert power units between microwatts, milliwatts, watts, kilowatts, megawatts, gigawatts, horsepower, and BTU per hour.
- Color Converters Convert colors between RGB, HEX, HSL, HSV, and CMYK formats for design and development work.
- Error Detecting Calculate and verify parity bits, Hamming codes, and CRC checksums used for error detection and correction.
- Various Tools A mix of handy utilities including a discount calculator, Unix timestamp converter, click counter, and quick yes/no and go/no-go decision helpers.
- Info Tools Check your IP address, screen resolution, JavaScript support, the current Unix timestamp, and the current week number.