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Margin Calculator Tool
Free online Margin Calculator to quickly calculate profit margin, revenue, cost, and markup. Improve your business profitability!
Sales Tax Calculator
Easily calculate sales tax with our free online sales tax calculator. Get accurate results for any location and amount instantly!
Average-calculator Tool
Calculate the average (mean) of numbers quickly & easily with our online average calculator. Free, accurate, and simple to use!
Percentage Calculator
Free online percentage calculator to find percentages, calculate percentage increase/decrease, and solve % problems easily.
Age Calculator Tool
Calculate your age in years, months, & days. Get birthday countdowns and see age in different units. Easy & accurate age calculator!
Dates to Roman Numerals Converter
Easily convert any date to its Roman numeral equivalent with our free online converter. Simple and accurate conversion for historical analysis or fun!
Password Decryption Utility
Encrypt and protect your passwords with our easy-to-use Password Encryption Utility. Keep your sensitive information safe and secure.
Password Encryption Utility
Encrypt and protect your passwords with our easy-to-use Password Encryption Utility. Keep your sensitive information safe and secure.
Package json Auditor
Audit your package.json online. Detect outdated, unused, or vulnerable dependencies. Fix metadata issues and export a clean, secure file instantly.
JSON Patch Generator
Generate JSON Patch (RFC 6902) online. Diff two JSON docs or build operations manually, preview results, and export. Supports add, remove, replace, move, copy.
INI to JSON Converter
Convert INI to JSON in your browser. Supports sections, type inference, repeated keys, lists, and dotted keys. Beautify or minify and export fast and free.
TOML to JSON Converter
Convert TOML to JSON online. Validate TOML, preserve data types, and export clean JSON. Fast, private, and browser-based.