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Hazuu Tools

Hex Encoder

Convert text and data to hexadecimal — paste, encode, and copy instantly.

Input Text
Output Hex
Hex output will appear here...
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About Hex Encoder

Hex Encoder is a free online tool that converts text, binary, decimal, or Base64 data into hexadecimal representation. Hexadecimal (base-16) uses digits 0-9 and letters A-F to represent byte values in a compact, human-readable format. It is widely used in programming, networking, cryptography, and data analysis to inspect and communicate raw binary data.

The tool supports multiple input types so you can encode from plain text (UTF-8), binary strings, decimal byte values, or Base64-encoded data. Choose from several output formats including plain hex, 0x-prefixed, space-separated, or colon-separated notation. All processing happens entirely in your browser — no data is ever sent to a server, keeping your information completely private.

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How to Use

01

Enter Data

Type or paste your text, binary, decimal, or Base64 data into the input area.

02

Choose Format

Select input type, output format (plain, 0x prefixed, spaced, colon-separated), and case preference.

03

Encode & Copy

Click "Encode" to convert to hexadecimal, then copy the result.

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Frequently Asked Questions

What is Hex Encoder? expand_more
Hex Encoder is a free online tool that converts data into hexadecimal (base-16) representation. Each byte of input is expressed as a two-character hex value (00-FF). For example, the letter "A" (ASCII 65) becomes "41" in hex. It is commonly used in programming, networking, and data analysis.
What input types are supported? expand_more
The tool supports four input types: Text (plain UTF-8 text), Binary (space-separated 8-bit binary strings like "01001000"), Decimal (space-separated byte values 0-255 like "72 101"), and Base64 (standard Base64-encoded strings like "SGVsbG8="). Select the matching input type from the dropdown before encoding.
What output formats are available? expand_more
You can choose from four output formats: Plain Hex (continuous string like "48656c6c6f"), 0x Prefixed (each byte prefixed like "0x48 0x65"), Spaced Hex (bytes separated by spaces like "48 65 6c"), and Colon Separated (bytes joined by colons like "48:65:6c"). You can also toggle between lowercase and uppercase hex digits.
Is my data secure? expand_more
Yes. All encoding happens entirely in your browser using JavaScript. No data is sent to any server, so your input remains completely private and secure. You can even use the tool offline once the page has loaded.