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Base64 Encoder Decoder

Encode text to Base64 or decode Base64 back to text instantly. Supports UTF-8 characters, emojis, and binary data.

Base64 is a binary-to-text encoding scheme that converts binary data into a safe ASCII string. This free online Base64 encoder decoder handles both encoding and decoding in your browser with zero data transmission to any server.

FAQ

What is Base64 encoding used for?
Base64 encoding is used for embedding images in HTML/CSS (data URIs), encoding email attachments (MIME), transmitting binary data in JSON/XML APIs, HTTP Basic Authentication headers, and storing binary data in text-only databases.
How do I encode text to Base64?
Paste your text in the input field and click the Encode button. The Base64-encoded result appears instantly. This tool handles UTF-8 characters including emojis and international text.
How do I decode Base64 to text?
Paste Base64-encoded text in the input field and click the Decode button. The original text is restored instantly. Invalid Base64 strings will show an error message.
Is Base64 encryption?
No, Base64 is an encoding scheme, not encryption. It does not provide security or confidentiality. Anyone can decode Base64 text. For security, use proper encryption algorithms like AES or RSA.
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