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 Base64 strings

Encode and decode text to/from Base91 format (ascii+basE91 algorithm)

Perform basic arithmetic calculations with support for multiple operations

Generate bcrypt hash from password

Validate password against bcrypt hash

Calculate possible blood types for parents and children based on genetics

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

Calculate body fat percentage using the US Navy method

Generate Bitcoin addresses from private keys for different address types

Validate Bitcoin addresses and detect address type (P2PKH, P2SH, Bech32)

Calculate calories burned during various activities

Calculate network information from CIDR notation. Supports IPv4 and IPv6.