All-in-One Tools Collection

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

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Generate hash values (MD5, SHA1, SHA256, SHA512)

Calculate age from birth date in years, months, days, and total time units

Calculate body fat percentage using the US Navy method

Calculate percentages, percentage changes, and percentage relationships between numbers

Calculate daily protein needs based on activity level and goals

Generate PBKDF2 key derivation hash

Calculate target heart rate zones for different training intensities

Generate random strings with customizable character sets, length, and patterns

Calculate Body Mass Index (BMI) and get health category recommendations

Calculate statistical measures for numerical datasets including mean, median, mode, standard deviation, and more

Calculate the difference between two dates in various time units

Encode and decode text to/from ASCII85 format (Adobe version)