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Base64 Encoder/Decoder

Encode and decode Base64 strings

Convert text to Base64 encoding or decode Base64 strings back to plain text with our free online tool. Base64 is commonly used to encode binary data for transmission over text-based protocols, embed images in HTML/CSS, store complex data in URLs, and encode API credentials. This tool handles UTF-8 characters properly and works entirely in your browser for instant results and complete privacy.

Input
Result
Result will appear here...

How to Use Base64 Encoder/Decoder

  • To Encode: Paste plain text into the input area and click "Encode" to convert it to Base64.
  • To Decode: Paste a Base64 string and click "Decode" to reveal the original text.
  • Copy Result: Click "Copy Result" to copy the output to your clipboard.
  • Clear: Click "Clear" to reset both input and output fields.

Example

Encode "Hello, World!" → Result: "SGVsbG8sIFdvcmxkIQ==" | Decode "SGVsbG8sIFdvcmxkIQ==" → Result: "Hello, World!"

Frequently Asked Questions

Q: What is Base64 used for?
A: Base64 encodes binary data as ASCII text. Common uses include: embedding images in HTML/CSS (data URLs), encoding email attachments, storing binary data in JSON, and encoding API credentials in HTTP headers.

Q: Is Base64 encryption?
A: No, Base64 is encoding, not encryption. It's easily reversible and provides no security. Anyone can decode Base64 strings. For security, use proper encryption algorithms.

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