Data Tools

Free Base64 Encoder & Decoder Online: Convert Text Instantly

A Standard Encoding, Not a Premium Feature

Base64 is an open, universally documented encoding scheme — converting text to and from Base64 is a well-defined, mechanical transformation, not something that justifies a paywall or a signup. A free, browser-based converter that handles both directions is all this task genuinely needs.

What You Get for Free

Who This Is For

Developers debugging an API token or authorization header, anyone decoding a Base64 string they encountered in a config file or data dump, or students learning how the encoding works — a free converter covers these directly. If Base64 encoding is something your application does automatically as part of its own logic, that's a job for a code library — but for manual, one-off conversion, a web tool is exactly the right amount of overhead.

Ready to convert your text for free?

Open Base64 Encoder / Decoder