How to Insert Blank UNICODE Characters IN HTML?

In web development and document formatting, blank Unicode characters hold a unique significance. A blank Unicode character doesn’t display any visible content. The blank character plays an important role in structuring the presentation of HTML documents.
This invisible character is a powerful tool for web designers and developers.

Purpose and Usage in HTML

The goal of introducing blank Unicode letters in HTML is more than just their looks. These characters are important for managing word wrapping. It also prevents unnecessary line breaks and provides necessary separations within web content?.
While they may not be immediately visible, their impact is significant. In this article, we will review the strategies and best practices for successfully using blank Unicode characters in HTML.
While they may not be immediately visible, their impact is significant. In this article, we will review the strategies and best practices for successfully using blank Unicode characters in HTML.

Methods for Inserting Blank Unicode Characters

There are different methods for inserting a BUC in HTML. You can use some of the following methods for this purpose.

Using HTML Entity

(Zero Width Non-Joiner) and (Zero Width Joiner) are HTML entities that represent the zero-width space characters in Unicode. You can insert a zero-width space using an HTML entity. You can include or at the desired location in your HTML code.
This method offers a precise way to control text layout and appearance. It also ensures that text is correctly displayed in languages and scripts. The texts are displayed with unique formatting requirements without introducing any visible characters.

Using Decimal or Hexadecimal Numeric Character References

You can insert BUC in HTML by linking to their corresponding decimal or hexadecimal values. By using this method, you can get control over the Unicode character.
Both ways add a zero-width gap to your HTML content. These methods might be chosen based on your preferences and the particular needs of your project.
These numeric character references can be used when introducing blank characters in complex documents. It gives you exact control over how and where these blank characters are used in your HTML.

Blank Unicode characters in different web browsers

Browser Compatibility:

The use of blank Unicode characters in HTML with various web browsers is an important topic. At the same time, HTML standards define how these characters should be displayed. The actual formatting can vary between browsers.

Internet Explorer (IE):

Older versions of Internet Explorer may have limited compatibility for blank characters. In such circumstances, you may need to identify other options to upgrade your content for Internet Explorer users.

Mobile Browsers:

Mobile browser compatibility, i.e., on iOS and Android smartphones, is typically strong. Most recent mobile browsers treat blank Unicode characters in the same way that their desktop counterparts do.

Web Standards and Future Considerations:

HTML standards expand browsers’ support for blank Unicode characters. You should keep up with web standards to provide a consistent experience for your audience. You should also upgrade your browser with time.

Tips for Using Blank Unicode Characters Effectively

Deliberate Use:

Blank Unicode characters should only be used for certain purposes. Consider why you need them and how they help your content’s readability or functioning.


It is a good idea to use Blank Unicode character in your HTML. You should describe the function of these characters in comments or documentation. With the help of this anyone else working on the code understands what they’re doing.


Always test how your content appears in different web browsers. It will help you to guarantee consistent rendering. Some browsers may behave differently when dealing with these characters.


Web accessibility guidelines should be followed. Make sure that using BUC doesn’t restrict accessibility for people.


In conclusion, blank Unicode characters are essential tools for web designers and developers. They provide fine control over HTML formatting and presentation. These characters allow you to avoid undesired line breaks and maintain text sequences. You can improve the accessibility of your site content by s using these characters. So, feel free to experiment with and employ blank Unicode characters. They may help you improve web content layout and a better user experience.