Base64 Encoder & Decoder

Encode text to Base64 or decode Base64 to text instantly. Free, secure, and works entirely in your browser.

Text to Encode
Base64 Output

Features

  • Encode text to Base64 instantly

  • Decode Base64 back to text

  • Full UTF-8 character support

  • Swap input/output with one click

  • Copy results to clipboard

  • Load sample data

  • 100% client-side processing

  • No data sent to servers

Common Use Cases

API Development

Encode authentication tokens, API keys, and credentials for secure transmission.

Data Embedding

Convert images and files to Base64 for embedding in HTML, CSS, or JSON.

Debugging

Decode Base64 strings from logs, APIs, or encoded URLs to inspect the data.

Frequently Asked Questions

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