How to Encode and Decode Base64 in the Browser

Base64 encoding and decoding can be done entirely in JavaScript. That means your data never leaves your machine when you use a client-side tool. Perfect for sensitive snippets or quick checks. We show how browser-based Base64 tools work and when to use them. Try the free tool on [Buggable.dev](https://buggable.dev) for quick, client-side results.