Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 strings instantly. Supports full UTF-8 characters. Processing happens in your browser.

Plain Text

Base64 Output

Free Online Base64 Encoder & Decoder

Encode any text to Base64 or decode Base64 strings back to plain text. Our tool supports full UTF-8 encoding, making it compatible with all languages and special characters.

Base64 encoding is commonly used for embedding data in HTML, CSS, emails, API payloads, and data URIs. This tool processes everything in your browser — no data is sent to any server.