Hex String Converter

Convert text to hexadecimal bytes and decode them back.

The Hex String Converter encodes UTF-8 text as hexadecimal byte pairs and decodes hex back to readable text. It is useful for inspecting binary payloads and protocol data.

Mode

Input

Output

How to use

Choose Encode or Decode mode.
Enter text or hex bytes separated by spaces.
Copy the converted result.

Frequently asked questions

Can I paste hex without spaces?

Yes, spaces and commas are ignored when decoding.

Does encoding support non-ASCII text?

Yes, text is encoded as UTF-8 bytes.

Base64 Encoder

Encode text to Base64 with UTF-8 support.

Base64 Decoder

Decode Base64 back to readable text.

URL Encoder

Percent-encode text for safe URL use.

URL Decoder

Decode percent-encoded URL text.

HTML Encoder

Escape HTML characters for safe display.

HTML Decoder

Convert HTML entities back to text.