Base64 Encoder & Decoder (UTF-8 Safe)

Encode and decode Base64 strings online with BharatUtility's free Base64 Tool. Supports UTF-8 strings, special characters, and one-click copy with 100% client-side security.

Interactive Base64 Encoder & Decoder (UTF-8 Safe)
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Formula & Calculation Methodology

Converts 8-bit binary octets into 6-bit Base64 index representations (A-Z, a-z, 0-9, +, /).

Step-by-Step Worked Example

Input: "BharatUtility"

  1. UTF-8 URI encoding transformation
  2. Binary ASCII to Base64 mapping: "QmhhcmF0VXRpbGl0eQ=="
Result: Base64: QmhhcmF0VXRpbGl0eQ==

Why Base64 Encoding is Used

Base64 encoding is used in HTTP headers, Basic Auth tokens, data URIs, and email transfer to safely transmit binary or arbitrary text over text-only protocols.

Frequently Asked Questions

Is Base64 encryption?

No. Base64 is an encoding scheme, not encryption. It is used for data formatting and transmission, not data security.

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