Base64 Encoder / Decoder

Encode and decode Base64 strings.

About this tool

Encode text to Base64 or decode Base64 back to text. Handles full UTF-8 including emoji.

Key Features

  • UTF-8 safe encoding
  • Instant decode
  • Error handling for invalid input

How to Use

  1. Enter text or Base64.
  2. Click Encode or Decode.
  3. Copy the result.

Benefits

  • Encode data for URLs & APIs
  • Decode tokens & payloads
  • Debug data transfer

Frequently Asked Questions

Yes, encoding and decoding are UTF-8 safe, so emoji and accented characters work correctly.

Related Developer Tools

Related guides

Browse all Developer Tools