Base64 Encoder / Decoder
Convert plain text to Base64 encoding or decode Base64 strings back to readable text in real-time.
The Base64 Encoder and Decoder is an essential tool for developers needing to convert text strings to and from Base64 format quickly. Used widely in API authentication, data embedding, and email protocols, Base64 ensures your data safely transmits over text-based networks. This tool provides real-time, bidirectional conversion—simply type or paste into either box, and see the immediate result. It supports standard UTF-8 characters.
How to use Base64 Encoder / Decoder
1
Encode Text: Type plain text into the 'Text Input' box to see its Base64 equivalent generated instantly.
2
Decode Base64: Paste a Base64 string into the 'Base64 Input' box to reveal the original text.
3
Copy Result: Use the copy buttons provided on each field to quickly grab the output.
Frequently Asked Questions
What is Base64 used for?
It is used to encode binary data into a standard ASCII string format, commonly for embedding images in HTML/CSS or sending credentials in HTTP headers.
Does this tool support emojis and special characters?
Yes, it safely encodes and decodes UTF-8 strings including emojis.
Is my data secure?
Yes, the conversion happens entirely locally in your browser via JavaScript. No data is transmitted.
Why did my decode fail?
Ensure the pasted string is valid Base64. It should only contain alphanumeric characters, +, /, and potentially = at the end.
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