All-in-One Tools Collection

A broad collection of online tools for development, AI, design, and productivity tasks.

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Encode and decode text using Vigenère cipher with a keyword

Estimate VO2 Max based on activity type and performance data

Calculate waist to height ratio for health assessment

Calculate waist to hip ratio and assess health risks

Calculate water costs based on usage and water rates

Calculate daily water intake needs based on weight, activity, and climate

Encrypt and decrypt text using XOR cipher with a key

Format code in various languages

Generate cron expressions with presets and custom options

Test and validate cron expressions, see future execution times

Convert crontab format between standard cron and enhanced formats

Compress CSS code