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Base64 Encoder/Decoder

Encode strings and text to Base64 or decode Base64 back to human-readable UTF-8 plain text. Features real-time conversion, URL-safe Base64 formatting, and instant clipboard copying.

Encode strings and text to Base64 or decode Base64 back to human-readable UTF-8 plain text. Features real-time conversion, URL-safe Base64 formatting, and instant clipboard copying.

Text Input

Base64 Output

How it works

  1. Select Encode or Decode mode
  2. Enter your text or Base64 string
  3. The conversion happens automatically
  4. Copy the result to clipboard

How to Use Base64 Encoder/Decoder Online

  1. Select encode or decode: Choose whether you want to convert plain text to Base64 or decode Base64 to text.
  2. Enter your string: Paste your raw text, tokens, or encoded Base64 string into the input area.
  3. Copy output: Grab your encoded or decoded output with one click.

ClickBasic tools run 100% securely with zero installation, no registration, and no limits.

Key Features of ClickBasic Base64 Encoder/Decoder

Bi-Directional Base64 Engine: Easily switch between Encode and Decode modes with instant conversion.
UTF-8 & Unicode Safe: Properly encodes emojis, accented characters, and multi-byte UTF-8 symbols.
Instant Clipboard Copy: One-click copy button with visual confirmation.
100% Client-Side Privacy: API keys, tokens, and sensitive strings never leave your browser.

Frequently Asked Questions

Base64 represents binary data in an ASCII string format, allowing data like images, cryptographic keys, and tokens to be safely transmitted over text-based protocols like HTTP and email.

No, Base64 is an encoding format, not encryption. Anyone can decode a Base64 string, so sensitive data should be encrypted before encoding.