Tool

Base64 Encoder Decoder

Encode and decode UTF-8 text with Base64 validation, output metrics, and copy/export actions.

Input

Output

Mode

Encode

Input

characters

Output

characters

Base64

Not detected

How to use

1. Choose Encode or Decode mode.
2. Paste text or Base64 input into the editor.
3. Review the output and validation state.
4. Copy, export, or share the current mode.

Encoding notes

This Base64 converter supports UTF-8 text, so non-ASCII characters are encoded and decoded safely. Invalid Base64 input shows an error instead of producing partial output.

For structured API values, use the JSON Formatter and Validator before encoding or decoding payload text.