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Free calculators & converters

These utilities run in your browser on tools.aiketra.com. Nothing is uploaded. They calculate and convert; for AI generators, stay on this directory.

Browse by type on tools.aiketra.com

FFinance calculatorsMortgage, ROI, discount, tax HHealth calculatorsBMI, calories, body fat MMath & everydayPercentage, GPA, dates CConvertersUnits, color, image, currency DDeveloper toolsJSON, regex, JWT, hash

High-traffic tools

{ }JSON formatterPretty-print, minify, and validate JSON in the browser 64Base64 encoderEncode or decode Base64 locally .*Regex testerTry a regular expression against sample text 🔑JWT decoderInspect a JSON Web Token without sending it anywhere #Hash generatorSHA-1 / SHA-256 / SHA-512 of text, computed locally 🖼️SVG to PNGConvert an SVG to a PNG in the browser 📷Image to WebPConvert a PNG or JPEG to WebP locally 🎨Color converterHEX, RGB, and HSL with a live swatch ✍️Word counterWords, characters, and reading time AaCase converterUPPER, lower, Title Case, and more 📈ROI calculatorReturn on investment from cost and gain %Percentage calculatorPercent of, change, and reverse percent 🏷️Discount calculatorSale price and savings from a percent off 💱Currency converterLive FX rates in the browser 🏠Mortgage calculatorMonthly payment, interest, and payoff on a home loan 💹Compound interestGrowth over time with compounding ⚖️BMI calculatorBody mass index from height and weight 🔐Password generatorRandom passwords with length and character options