Online Hex String Converter

Update time: 09/21/2025 11:26 AM

Tool Introduction:

This online Hex String Converter provides functions for converting between text strings and hexadecimal format. You can convert text strings to hexadecimal or convert hexadecimal back to text strings. Enter your original string in the text box below, click the "String to Hex" button to display the encoded hex string, or click "Hex to String" to decode hex back to the original string. Try the "View Examples" feature to learn how to use this tool.

If you need to convert a hexadecimal string and save it as the corresponding binary file, please use:Online Hex String to File Converter

Please enter the characters for hexadecimal string conversion.

View Examples

Result of hexadecimal string conversion:

About Online Hex String Conversion:

Hexadecimal is a base-16 numeral system, abbreviated as 'hex'. It uses digits 0-9 and letters a-f (or A-F) to represent values 0 to 15, where a-f correspond to decimal values 10-15. While data in computers ultimately exists in binary form, binary numbers are too long and can affect data transmission efficiency. The advantage of hexadecimal strings is that they can represent more data with fewer bytes. For example, binary typically transmits 8 bits at a time. Each 8 bits (1 byte) has a stop bit, then the next character (8 bits) is sent. To transmit the number 12, string transmission would require breaking it into characters 1 and 2 for ASCII transmission, requiring 2 bytes in binary; whereas hexadecimal only requires 1 byte. This tool provides functionality to convert between strings and hexadecimal strings, simply put, it's an online string and hexadecimal conversion tool.