Base64 Encoder
Encode any text to Base64 instantly in your browser. Free, no signup.
How to use this tool
- Enter text to encode in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your base64 output and the full breakdown beneath it.
Base64 is a binary-to-text encoding scheme widely used to transmit data in text-safe formats such as email, URLs, and JSON payloads.
Frequently asked questions
- What is Base64?
- Base64 encodes binary or text data into a 64-character ASCII subset, making it safe for transmission in text-based systems.