Text to Hexadecimal

Convert any text to hexadecimal encoding, with support for multiple encoding formats and output styles, suitable for data encoding and software development.

Bug report

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Speed and Stability: Processing speed depends on your device and browser. For large batch work, the desktop version may be more stable.

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Tool Usage

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Text Input

Supports any text, including Chinese, English, numbers, symbols, etc.

Encoding Options

Quick Actions

Hex Output

Conversion Stats

Characters: 0

Bytes: 0

Hex Length: 0

Encoding: UTF-8

Conversion Examples

English: Hello → 48656C6C6F

Numbers: 123 → 313233

Chinese:你好 → E4BDA0E5A5BD

Symbol: @#$ → 402324

Tips

Encoding:UTF-8 supports all characters, ASCII supports English only, Latin-1 supports Western European characters

Format options:Choose no separator, spaces, colons, or 0x prefix

Chinese handling:Chinese characters usually take 3 bytes in UTF-8

Instructions

Software Usage Instructions

Enter text: Enter the text you want to convert to hexadecimal in the "Text Input" box. It supports any characters, including Chinese, English, numbers, and symbols.
Select encoding: Choose the encoding format as needed. UTF-8 supports all characters, ASCII supports only English characters, and Latin-1 supports Western European characters.
Set format: Select the output format (no separator, space-separated, colon-separated, 0x prefix) and letter case (uppercase or lowercase).
Automatic conversion: After you enter text, the system will convert it automatically. You can also click the "Convert" button to perform the conversion manually.
Quick actions: Use the quick action buttons to adjust the output format, such as adding/removing spaces, adding a 0x prefix, converting letter case, and more.
View statistics: The conversion statistics area displays detailed information such as character count, byte count, hexadecimal length, and encoding method.
Reverse conversion: Click the "Reverse Convert" button to convert the hexadecimal result back to the original text.
Copy result: Click the "Copy Result" button to copy the conversion result to the clipboard, or click "Sample Data" to load demo content.

FAQ

A: Text-to-hexadecimal conversion is the process of converting ordinary text characters into their corresponding hexadecimal encoding. Each character is converted into one or more bytes according to its encoding (such as UTF-8 or ASCII), and each byte is then represented by two hexadecimal characters. For example, the ASCII code for the letter "A" is 65, corresponding to hexadecimal 41.

A: UTF-8 is a universal encoding that supports all characters worldwide. Chinese characters usually take up 3 bytes; ASCII supports only 128 basic English characters, with each character occupying 1 byte; Latin-1 supports Western European characters, with each character occupying 1 byte. Choosing the wrong encoding may cause characters to fail to convert correctly or appear garbled.

A: Different output formats are suitable for different scenarios: No separator (48656C6C6F) is suitable for compact storage; space-separated (48 65 6C 6C 6F) is easier to read; colon-separated (48:65:6C:6C:6F) is often used for MAC addresses, etc.; 0x prefix (0x48 0x65 0x6C) conforms to hexadecimal notation in programming languages.

A: In UTF-8 encoding, Chinese characters usually require 3 bytes to represent, so one Chinese character is converted into 6 hexadecimal characters. For example, the UTF-8 encoding of the character "你" is E4BDA0, and "好" is E5A5BD. This is normal because Chinese characters have higher Unicode code points and require more bytes to store.

A: Main applications include: program development (string constant definitions, debug output), data transmission (network protocols, binary data encoding), encryption preprocessing (converting text to bytes for encryption), file analysis (viewing the hexadecimal contents of files), learning and research (understanding character encoding principles), and other scenarios.

A: You can use the reverse conversion feature to verify the result. Convert the resulting hexadecimal data back into text; if the result matches the original input, the conversion is correct. You can also check whether the byte count in the conversion statistics is reasonable. For example, the byte count of plain English text should equal the character count.

A: Quick actions can adjust the converted hexadecimal format: Add Spaces inserts spaces between every two characters; Remove Spaces deletes all separators; Add 0x adds the 0x prefix to each byte; Uppercase/Lowercase changes the letter case. These actions do not reconvert the text; they only adjust the display format.

A: Conversion statistics provide important information: Character Count shows the number of characters in the original text; Byte Count shows the number of encoded bytes; Hexadecimal Length shows the number of hexadecimal characters in the output (usually 2 times the byte count); Encoding shows the character encoding currently in use. This information helps you understand the encoding process and verify the results.