Unit, Measurement & Format Converters

Convert pressure units instantly between PSI, bar, kPa, Pascal, atm, and mmHg. Accurate vacuum, gauge, and absolute pressure converter with live depth matrix.

Convert torque instantly between Newton meters (Nm), foot-pounds (ft-lb), inch-pounds (in-lb), and kgf-m with bolt tightening, leverage, and engine RPM charts.

Convert baking ingredients from cups to grams, ounces, and milliliters. Accurately scale recipes, adjust pan sizes, and calculate baker's percentages instantly.

Convert luggage weight instantly between kg, lbs, stone, and oz. Check 50 lb and 23 kg airline baggage limits, overweight fee risk, and packing allowances.

Convert cooking measurements between cups, grams, tablespoons, ounces, and milliliters. Scale recipe yields with ingredient density tables and oven temperatures.

Convert hex to decimal and hexadecimal to dec with signed two's complement, 64-bit BigInt precision, IEEE 754 floats, byte endianness, and step-by-step math.

Convert binary to decimal with our binary to decimal converter and calculator. Supports signed two's complement, fractional bits, and step-by-step math.

Convert HEX to RGBA color codes with opacity and alpha transparency instantly. Supports 3, 6, and 8-digit hex codes, batch conversion, and ready-to-use CSS output.

Convert Excel to JSON instantly in your browser. Parse XLSX, XLS, and CSV files into clean JSON objects, nested trees, or column arrays with zero server upload.

Convert pressure units between PSI, Bar, Pascals (Pa, kPa, MPa), Standard Atmospheres (atm), Torr, and Millimeters of Mercury (mmHg) with visual gauge representation.

Calculate total trip gas expenses, fuel consumption (MPG, L/100km, km/L), and per-passenger travel cost splits for road trips and commutes. 100% private.

Convert data storage units across Decimal (SI: KB, MB, GB, TB) and Binary (IEC: KiB, MiB, GiB, TiB) standards with OS usable space disparity explanation.

Convert temperatures between Celsius (°C), Fahrenheit (°F), Kelvin (K), Rankine (°R), Delisle, Newton, and Réaumur with thermodynamic water phase state detection.

Convert colors across HEX, RGB, HSL, HSV, and CMYK models with delta-E accuracy, perceptual shade generation, and one-click CSS variable export.

Convert length, mass, temperature, data storage, speed, and area with ultra-high precision.

Encode any document, binary file, font, or archive into Base64 strings and HTML Data URIs, or decode raw Base64 payloads back to downloadable files.