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Every tool you reach for. One setu.

Calculators, converters, formatters and generators — instant, accurate and private. Nothing you type ever leaves your browser.

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Free forever. CDN-fast everywhere.Built by the SetuLab team.

CalculatorsEMI, SIP, GST, percentages and more — instant, accurate, free.5 tools →ConvertersUnit and number-base converters for everyday engineering.25 tools →FormattersBeautify, validate and transform text and code.2 tools →GeneratorsUUIDs, passwords and other things you need on demand.2 tools →CryptographyHashes and encodings, computed locally in your browser.3 tools →

Calculators 5 tools

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EMI CalculatorMonthly EMI, total interest and payment for any loan.SIP CalculatorFuture value of your monthly SIP investments.GST CalculatorAdd or remove GST with CGST/SGST split.Percentage CalculatorPercent of, percent change and “what percent” — solved.BMI CalculatorBody-mass index with WHO category, metric or imperial.

Converters 25 tools

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Length ConverterConvert between 9 length units instantly.Weight & Mass ConverterConvert between 7 weight units instantly.Temperature ConverterConvert between 3 temperature units instantly.Area ConverterConvert between 9 area units instantly.Volume ConverterConvert between 8 volume units instantly.Speed ConverterConvert between 5 speed units instantly.Time ConverterConvert between 8 time units instantly.Pressure ConverterConvert between 6 pressure units instantly.

Formatters 2 tools

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JSON FormatterFormat, validate and minify JSON with error locations.Text Case ConverterUPPER, lower, Title, camel, snake & kebab case.

Generators 2 tools

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UUID GeneratorCryptographically strong UUID v4, one or in bulk.Password GeneratorStrong random passwords with custom character sets.

Cryptography 3 tools

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Hash GeneratorSHA-1, SHA-256, SHA-384 & SHA-512 of any text.Base64 Encoder / DecoderUTF-8-safe Base64 encoding and decoding.URL Encoder / DecoderPercent-encode or decode URLs and query strings.
Why CodingSetu

Fast tools, zero strings

Private by design

Every tool runs locally in your browser. Your JSON, passwords and numbers never touch a server.

CDN-fast everywhere

Static pages served from the edge — tools load in milliseconds on any device, any network.

No ads in your face

Clean, focused pages built for getting the answer and getting on with your day.

Free forever

Every calculator, converter and formatter is free — no accounts, no limits, no upsells.