Base64 Encode & Decode Online
Encode and decode Base64 text online. Free Base64 converter tool.
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How to use Base64 converter
- 1
Enter your text in the input field
- 2
Choose Encode or Decode
- 3
Copy the result
Why use Base64?
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Embed binary data in text-based formats (HTML, CSS, JSON)
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Encode data for URLs and APIs
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Standard encoding used in email and web development
FAQ
What is Base64?
Base64 is a binary-to-text encoding scheme that represents binary data in ASCII string format.
Does Base64 encrypt data?
No, Base64 is an encoding, not encryption. It's easily reversible.
Why is the output larger than the input?
Base64 encoding increases data size by about 33%.