Base64 Encoder & Decoder - Encode or Decode Base64 Strings
Encode text to Base64 or decode Base64 back to plain text.
Processed 100% locally in your browser. Never sent to our server.
Über Base64 Encoder & Decoder - Encode or Decode Base64 Strings
Converts between UTF-8 text and Base64 encoding using the browser's built-in btoa/atob functions.
How to Encode and Decode Base64
1. Select either "Encode" or "Decode" mode.
2. Enter UTF-8 text or Base64 string into the input area.
3. The converted output generates instantly in real time.
Anwendungsbeispiele
Encoding Text to Base64
Input: Hello Numvax! Output: SGVsbG8gTnVtdmF4IQ==
Häufig gestellte Fragen
Is Base64 encryption?
No. Base64 is a binary-to-text encoding scheme used for data transport, not secure encryption. Anyone can decode Base64 strings.
Does it support special characters and Unicode?
Yes, full UTF-8 support handles non-Latin characters, emojis, and symbols accurately.