Encode plain text and strings into Base64 format, or decode Base64 data back to readable text in real-time. 100% in-browser with full UTF-8 emoji and international character support.
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format by translating it into a radix-64 representation. It is standard across web development, APIs, and network protocols:
Embed small SVG, PNG, or font files directly into HTML or CSS without making separate HTTP requests.
Email protocols natively support ASCII text only. Base64 encodes files into safe characters for transmission.
Basic HTTP Auth headers and JSON Web Tokens (JWT) encode payloads and credentials in Base64URL.
TextEncoder / TextDecoder) to ensure emojis, symbols, and non-Latin characters encode and decode perfectly.
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