BBuildQuill
Developer Tools

Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 strings back to text.

How to Use Base64 Encoder/Decoder

1

Select your mode

Choose Encode to convert plain text to Base64, or Decode to convert Base64 back to text.

2

Enter your text

Paste or type your content into the input field on the left side.

3

Convert and copy

Click Convert to see the result, then click Copy to save it to your clipboard.

What is the Base64 Encoder and Decoder?

Encode plain text to Base64 or decode Base64 strings back to readable text. Base64 encoding is commonly used in APIs, data URIs, email attachments, and web authentication tokens.

  • Encode text to Base64 format
  • Decode Base64 strings to readable text
  • Automatic error detection for invalid Base64 input
  • One-click copy of encoded or decoded output
  • Handles special characters and Unicode text
  • Runs entirely in your browser for privacy

Frequently Asked Questions

How do I encode text to Base64 online?
Paste your plain text into the input field, select Encode mode, and click Convert. The Base64-encoded result appears instantly on the right.
Is Base64 encoding the same as encryption?
No. Base64 is an encoding scheme, not encryption. It converts binary data to ASCII text for safe transport but does not provide any security or privacy.
Why would I need to decode a Base64 string?
Base64-encoded data is common in APIs, email attachments, and data URIs. Decoding lets you read the original content in plain text.

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