🔐 Base64 कनवर्टर

1. Type or paste text into the input box.
2. Click Encode to convert text to Base64, or Decode to reverse it.
3. Multi-byte characters (emoji, CJK) are handled correctly via TextEncoder/TextDecoder.
4. Click Copy to send the result to your clipboard.

Base64 is commonly used in HTTP Basic Auth headers, Data URIs (data:image/png;base64,...), email attachments (MIME), and JWT segments. It is encoding, not encryption — anyone can decode it.