ASCII text to hex converter
ASCII text to hex converter

What ASCII text to hex converter does
The RapidTables ASCII text to hex converter transforms any input string into its hexadecimal representation instantly. Users receive a direct mapping of each character to its base-16 code, producing a clean hex output suitable for technical work. The page also provides bidirectional conversion, showing the equivalent binary, decimal, and octal values side by side with the original text. Additional output options let users choose a delimiter—space, comma, or none—and copy or save the result with a single click. A swap function allows reversing the process from hex back to text, and a library of sample encodings is available for reference.
How to use the RapidTables ASCII text to hex converter
- 1
Enter or paste the ASCII text string into the input field
- 2
Select the desired character encoding from the dropdown menu if needed
- 3
Choose an output delimiter (space, comma, or none) for the hex codes
- 4
Press the Convert button to generate the hexadecimal result
- 5
Use the Copy or Save buttons to export the hex output
Best for
Developers and programmers who need quick, accurate ASCII-to-hex conversion with flexible output formatting and encoding options.
Limitations
- No unit switching between different numeral systems beyond the provided bases
- Results depend on the selected character encoding standard
- Large text inputs may produce lengthy hex strings difficult to manage manually
ASCII text to hex converter FAQ
- Can this converter handle non-ASCII characters like emoji or accented letters?
- Yes, the tool supports Unicode and multiple encoding standards including UTF-8, UTF-16, and Windows-1252, allowing conversion of characters beyond basic ASCII such as emoji and accented letters.
- What is the difference between ASCII and Unicode conversion in this tool?
- ASCII conversion maps only the 128 standard characters to 7-bit hex values, while Unicode conversion uses the selected encoding (e.g., UTF-8 or UTF-16) to represent a much larger set of characters including non-Latin scripts and symbols.
- How do I convert the hex output back to readable text?
- Use the Swap function on the page to reverse the conversion, or input the hex codes into the tool with the appropriate encoding selected to convert from hex back to text.
- Is there a limit to how much text I can convert at once?
- The tool does not specify a character limit, but very long inputs will produce proportionally long hex output; for extremely large files, it is recommended to use the file upload feature instead of pasting text directly.