Free browser-based encoders, hashers and text tools

Toolflow is a set of small, free developer utilities that run in the browser: Base64 encode and decode, Base64 image decode, URL encode and decode, HTML entity encode and decode, MD5 and SHA256 hash generators, a UUID generator, text-to-binary and text-to-hexadecimal converters, and a string length calculator. Every tool is on its own page, needs no account and costs nothing, so it suits the quick one-off conversions that come up while debugging an API response or a config file. Nothing typed into a Toolflow page is sent anywhere: the tools are static pages that do their work in the browser.

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Launched
Sep 9, 2026

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