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How to Insert a Null Character (ASCII 00) in Notepad?

Fresh5 days ago
Mar 15, 2026119761 views
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Problem

I want to insert a null character (ASCII Value 00) into an open file in Notepad. A program that is reading this file is expecting 00 at the end, but it's getting the ASCII value for space - 20. How can I achieve this?

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Fix for: How to Insert a Null Character (ASCII 00) in Notepad?

Low Risk

This is not possible to do with Notepad, however, it can be done with a more advanced editor. With Notepad++ Go to to show the ASCII Insertion Panel. Put the cursor where you want to insert the character. Double-click the character (in the Character…

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