Encoder Toolkit

Encode or decode Base64 and HTML entities in one place.

Theme

Private by design: This tool runs in your browser — your data is not uploaded.

How to use Encoder Toolkit

Encode UTF-8 to Base64 or escape HTML entities — switch modes to decode back to plain text.

Step-by-step

  1. Choose Base64 or HTML entity mode.
  2. Select encode or decode.
  3. Paste input and copy output.

Common questions

Which HTML characters are encoded?
Ampersand, less-than, greater-than, double quote, and single quote.
Is my text uploaded?
No. Encoding runs locally.

Last updated: 2026-06-05