Developer Utilities
Small developer utilities that save a trip to a random website. Encode and decode Base64, explain a regex, build UTM links, generate QR codes and vCards, and more — the everyday helpers. Free in your browser, and available by API when you need them in a script.
Developer Utilities
Grams in ml converter
mass ÷ density, free
POST /conv/grams-in-ml-converter$0.002Developer Utilities
Grams to fl oz converter
water mass to US fluid ounces, free
POST /conv/grams-to-fl-oz$0.002Developer Utilities
Greek gematria calculator
isopsephy letter values and total
POST /conv/greek-gematria$0.002Developer Utilities
Hardness conversion
ppm, grains per gallon, degrees, free
POST /conv/hardness-conversion$0.002Developer Utilities
Height in inches converter
feet and inches to total inches
POST /conv/height-in-inches$0.002Developer Utilities
Hours to days converter
24-hour civil day, free
POST /conv/hours-to-days$0.002Developer Utilities
Hours to minutes converter
exact ×60 factor, free
POST /conv/hours-to-minutes-converter$0.002Developer Utilities
Hours to seconds converter
exact ×3600 factor, free
POST /conv/hours-to-seconds-converter$0.002Developer Utilities
Hours to years converter
8,760 hours per year, free
POST /conv/hours-to-years$0.002Developer Utilities
Imperial converter
metric length and weight to inches, pounds
POST /conv/imperial$0.002Developer Utilities
In to cm converter
inches to centimeters, exact 2.54
POST /conv/in-to-cm$0.002Developer Utilities
Inch converter
inches to feet, cm, mm, free
POST /conv/inch-converter$0.002Developer Utilities
Inch-lbs to newton-meters converter
exact factor, free
POST /conv/inch-lbs-to-nm$0.002Developer Utilities
Inch-pounds to foot-pounds converter
exact factor, free
POST /conv/inch-pounds-to-foot-pounds$0.002Developer Utilities
Inches to yard conversion
exact 36 in per yard, free
POST /conv/inches-to-yard-conversion$0.002Developer Utilities
Joules to volts converter
V = J/C, free in browser
POST /conv/joules-to-volts$0.002Developer Utilities
kg/cm² to PSI converter
exact kgf/cm² factor, free
POST /conv/kg-cm2-to-psi-converter$0.002Developer Utilities
KG to gallons converter
liquid mass by density, free
POST /conv/kg-to-gallons$0.002Developer Utilities
KG to liter converter
mass ÷ density, free
POST /conv/kg-to-liter$0.002Developer Utilities
KG to ounce converter
factor 35.274, free in browser
POST /conv/kg-to-ounce-converter$0.002Developer Utilities
Kilobytes to megabytes converter
KB ÷ 1000, free
POST /conv/kilobytes-to-megabytes$0.002Developer Utilities
Kilometer converter
meters, miles and feet, free
POST /conv/kilometer$0.002Developer Utilities
Kilometers to miles converter
exact factor, free in browser
POST /conv/kilometers-to-miles$0.002Developer Utilities
KM to feet converter
exact 3280.839895 factor, free
POST /conv/km-to-feet-conversion$0.002Developer Utilities
Knots to kph converter
exact 1.852 factor, free in browser
POST /conv/knots-to-kph$0.002Developer Utilities
kPa to atm converter
exact 101.325 kPa factor, free
POST /conv/kpa-to-atm-conversion$0.002Developer Utilities
kPa to mmHg conversion
exact 760/101.325 factor, free
POST /conv/kpa-to-mmhg-conversion$0.002Developer Utilities
KSI to PSI converter
kips per square inch times 1000, free
POST /conv/ksi-to-psi-conversion$0.002Developer Utilities
Land area converter
m², hectares, acres, sq ft free
POST /conv/land-area$0.002Developer Utilities
Lbs to g converter
exact 453.59237 factor, free
POST /conv/lbs-to-g$0.002Developer Utilities
Lbs to newton converter
exact lbf to N factor, free
POST /conv/lbs-to-newton$0.002Developer Utilities
Lbs to PSI converter
force over square inches, free
POST /conv/lbs-to-psi$0.002Developer Utilities
Leet speak converter
turn text into 1337 speak, free
POST /conv/leet-speak$0.002Developer Utilities
Length units converter
meters, feet, inches, yards, miles
POST /conv/length-converter$0.002Developer Utilities
Liters to cl converter
1 L equals 100 cL exactly, free
POST /conv/liters-to-cl$0.002Developer Utilities
Lot size to acres converter
exact factor, free
POST /conv/lot-size-to-acres$0.002Developer Utilities
Lot size to square feet converter
acres to ft², free
POST /conv/lot-size-to-square-feet$0.002Developer Utilities
Lowercase to uppercase converter
ALL CAPS text, free
POST /conv/lowercase-to-uppercase-converter$0.002Developer Utilities
Meters to feet converter
m to ft, exact 0.3048, free
POST /conv/m-to-ft$0.002Developer Utilities
MB to GB converter
decimal or binary units, free
POST /conv/mb-to-gb-converter$0.002Developer Utilities
Mbps converter
megabits/s to MB/s, kbps and bps, free
POST /conv/mbps-converter$0.002Developer Utilities
MCG to ML converter
µg mass to milliliters, free
POST /conv/mcg-to-ml$0.002Developer Utilities
Mesh to micron converter
particle opening chart, free
POST /conv/mesh-to-micron-converter$0.002Developer Utilities
Meter conversion
meters to km, cm, mm, feet and inches, free
POST /conv/meter-conversion$0.002Developer Utilities
Metric converter
length, mass and volume in SI units
POST /conv/metric-converter$0.002Developer Utilities
Metric to imperial conversion
length, weight, volume, free
POST /conv/metric-to-imperial-conversion$0.002Developer Utilities
Metric to SAE converter
mm wrench size to nearest inch fraction
POST /conv/metric-to-sae$0.002Developer Utilities
Metric to standard converter
length, mass, temperature to US
POST /conv/metric-to-standard-converter$0.002Developer Utilities
Mg to cc converter
milligrams to cubic centimeters, free
POST /conv/mg-to-cc$0.002Developer Utilities
MG to ML converter
milligrams to milliliters by mg/mL, free
POST /conv/mg-to-ml$0.002Developer Utilities
mg to tablespoon converter
milligrams to tbsp by density, free
POST /conv/mg-to-tablespoon-converter$0.002Developer Utilities
Micrometer conversion
μm to mm, m, inches, nm, free
POST /conv/micrometer-conversion$0.002Developer Utilities
Micron to mil conversion
thickness in thousandths of an inch
POST /conv/micron-to-mil-conversion$0.002Developer Utilities
Mil to mm conversion
exact 0.0254 mm per mil, free
POST /conv/mil-to-mm-conversion$0.002Developer Utilities
Mile conversion
miles to km, meters, yards, and feet, free
POST /conv/mile-conversion$0.002Developer Utilities
Military time converter
12-hour AM/PM to 24-hour (0000–2359)
POST /conv/military-time$0.002Developer Utilities
Million to billion converter
exact short-scale ÷1,000, free
POST /conv/million-to-billion$0.002Developer Utilities
Million to lakh converter
1 million = 10 lakhs, free
POST /conv/million-to-lakh$0.002Developer Utilities
Million to thousand converter
exact ×1000, free in browser
POST /conv/million-to-thousand-converter$0.002Developer Utilities
Minute converter
minutes to seconds, hours and days, free
POST /conv/minute-converter$0.002