Base64 Decoder

Decode Base64 strings back to plain text instantly. Free, private, client-side Base64 decoder.

Looking for more developer tools?

Check out our sister site JSONUtils.app for dedicated data tools like a JSON Formatter & Validator, JSON to CSV Converter, and more.

About Base64 Decoder

A simple, private, and fast tool to handle your data encoding needs. All processing happens entirely in your browser: your data never leaves your device.