Hex Encoder / Decoder

Encode or decode hexadecimal text.

Upload

Configure

Convert

Download

Encode or decode hexadecimal text.

Choose a file to get started

Drag and drop a supported file here, or press Enter to browse your device.

Text or hex input

Related tools

Ready tools are shown first.

JSON Formatter

Format JSON data for easier reading.

JSON Validator

Validate JSON syntax and structure.

JSON Minifier

Minify JSON data to reduce size.

JSON Beautifier

Beautify JSON data with readable formatting.

JSON to CSV

Convert JSON data to CSV format.

CSV to JSON

Convert CSV data to JSON format.

Tool guide

Hex Encoder / Decoder Online

Convert UTF-8 text into hexadecimal bytes or decode hex back into readable text. This is useful for payload inspection, debugging, and learning byte-level formats.

Steps

How it works

Choose text-to-hex or hex-to-text.
Paste text or hex bytes.
Run the conversion.
Copy or download the output.

Highlights

Key features

Supports UTF-8 text.
Allows spaces between hex bytes.
Validates invalid hex characters.
Outputs readable byte pairs.

Use cases

Common uses

Inspect encoded payloads.
Convert text snippets to hex.
Decode simple hex strings.

Notes

Limitations to know

Hex input must contain complete byte pairs.
Binary file workflows are not included.
Decoded output must represent readable text.

FAQ

Frequently asked questions

3 answers

Can I use spaces in hex input?

Yes. Spaces are ignored when decoding hex.

Why is my hex rejected?

The input may contain non-hex characters or an odd number of digits.

Does this handle UTF-8?

Yes. Text conversion uses UTF-8 bytes.