Format Conversion
Encode and decode text using Vigenère cipher with a keyword
vigenere-cipherHealth
Estimate VO2 Max based on activity type and performance data
vo2-max-calculatorHealth
Calculate waist to height ratio for health assessment
waist-to-height-ratioHealth
Calculate waist to hip ratio and assess health risks
waist-to-hip-ratioMath & Numbers
Calculate water costs based on usage and water rates
water-bill-calculatorHealth
Calculate daily water intake needs based on weight, activity, and climate
water-intake-calculatorFormat Conversion
Encrypt and decrypt text using XOR cipher with a key
xor-encryptorDevelopment
Compress JavaScript code
javascript-minifierMath & Numbers
Convert between different pressure units (pascal, bar, psi, atmosphere, etc.)
pressure-converterMath & Numbers
Convert between different volume units (liters, gallons, cups, cubic meters, etc.)
volume-converterDevelopment
Analyze HTTP headers, security configurations, and response information
http-headers-analyzerDevelopment
Generate robots.txt files for search engine crawlers with configurable rules
robots-txt-generator