Text - ASCII Conversion
Convert between plain text and ASCII
Features
Two-way between text and ASCII
Convert both from characters to numeric codes and from numeric codes to characters
Choose from two delimiters
Specify ASCII output as space-separated or comma-separated
Choose how to handle non-ASCII characters
Switch between showing a warning or converting to UTF-8 bytes
Convert up to 1 million characters
Convert long text and source code all at once
How to use
Select the conversion direction tab
Decide the direction with the "Text -> ASCII" or "ASCII -> Text" tab
Enter what to convert
Enter text, or space- or comma-separated ASCII codes, in the input field
Set the delimiter and non-ASCII handling
Choose the delimiter and how non-ASCII characters are handled with radio buttons
Show the result with the convert button
Press the convert button and the conversion result is shown in the output field
Use cases
Check character codes
Quickly look up the ASCII code value that corresponds to a specific character
Learn programming
Deepen your understanding by actually converting the correspondence between characters and codes
Restore numeric data
Turn ASCII code sequences in logs or data back into readable strings
Investigate the cause of garbled text
Expand non-ASCII characters to UTF-8 bytes to check encoding issues
Safety and privacy
Runs entirely in your browser
Your input data is processed only within your browser and is never sent externally.
Processing only in your browser
the conversion is processed entirely within your browser, and input data is not sent to any server.
Communications encrypted with HTTPS
Page loading is also encrypted by TLS, and content cannot be read by third parties.
No transmission to third parties
Input content is not sent to external services such as ad networks or trackers.
No automatic saving of results
the input text and conversion results and input suggestions are not stored on the server.