Base64 Online Tool

Free Online Base64 Encoder & Decoder

Encode and decode text, strings, and data to Base64 format instantly. Professional Base64 converter with UTF-8 support. Works directly in your browser.

Input Text

Ready

Output

Ready

Why Choose Our Base64 Encoder & Decoder?

Instant Base64 Conversion

Encode and decode Base64 instantly. Fast algorithm with reliable results every time for any text or data.

UTF-8 Character Support

Full support for UTF-8 encoded characters including emojis, special characters, and international text.

URL Safe Mode

Option to use URL-safe Base64 encoding with + and / replaced by - and _. Perfect for web applications.

100% Free & Private

All Base64 conversions happen in your browser. No data sent to servers. Completely free with no registration needed.

How to Use This Base64 Tool

  1. Enter or paste the text you want to encode or decode into the input box
  2. Click the "Encode" button to convert text to Base64 format
  3. Click the "Decode" button to convert Base64 back to text
  4. Use the "URL Safe" checkbox for URL-safe Base64 encoding
  5. Click the "Copy" button to copy the result to clipboard
  6. Click the "Clear" button to reset all fields