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Discover tools from different categories to expand your toolkit beyond Developer's World.

Convert typed text to realistic handwriting with different fonts and paper styles. Free online tool for creating handwritten notes.

Calculate logarithms with any base including common, natural, and binary logarithms

Calculate monthly payments and total interest for any type of loan

Convert an IP address range to one or more CIDR notations that cover the entire range with our free range to CIDR calculator.