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Base64 Encoder & Decoder

Encoding • 100% Client-Side Processing

Two-way Base64 encoder and decoder. Full UTF-8 support handles emojis, non-Latin alphabets, and binary representations without corruption.

Privacy First: Base64 Encoder & Decoder executes 100% locally in your web browser. No inputs or generated outputs leave your device.

Tool Chaining — Continue Workflow

Take your result from Base64 Encoder & Decoder directly into companion utilities:

Base64URL Safe ConverterHex String Encoder & DecoderURL Encoder & Decoder

How to Use

  1. Enter text in either panel.
  2. Choose Encode or Decode.
  3. Copy result.

Key Features

  • •100% UTF-8 safe (emojis, Chinese, Arabic)
  • •Automatic padding management
  • •Line-break stripping

Technical Scope & Limitations

  • • Standard Base64 contains + and / which are not URL-safe (use Base64URL for URLs).