Text Tools

Invisible Character Generator

Generate zero-width and invisible Unicode characters for usernames, watermarking, and text formatting.

Quick Answer

Zero-width space (U+200B) is the most commonly used invisible character. Click any character below to copy it to your clipboard. These characters take up no visible space but are real Unicode characters that apps and websites detect.

Zero Width SpaceU+200B

Most common invisible character. Works in most apps.

Zero Width Non-JoinerU+200C

Prevents ligatures between characters.

Zero Width JoinerU+200D

Joins characters. Used in emoji sequences.

Word JoinerU+2060

Prevents line break at its position.

Zero Width No-Break SpaceU+FEFF

Byte order mark. Invisible in most contexts.

Hangul FillerU+3164

Korean filler character. Appears as blank space.

Braille BlankU+2800

Blank braille pattern. Visible width but no dots.

Invisible SeparatorU+2063

Invisible separator for mathematical notation.

About This Tool

The Invisible Character Generator lets you copy zero-width and invisible Unicode characters for various purposes. These characters are legitimate parts of the Unicode standard and serve real functions in text processing, but they can also be used creatively for blank usernames, text watermarking, and hidden content in messages.

Common Uses

Invisible characters are used for blank usernames in gaming platforms and social media, for creating invisible text watermarks to track copied content, for sending blank messages in chat applications, and for testing how software handles zero-width characters. Web developers also use them to debug text rendering issues and test input validation.

How They Work

These characters are real Unicode code points assigned by the Unicode Consortium. Zero-width characters have no visual width but are processed as real characters by computers. They can affect text selection, cursor movement, and string length calculations. Some platforms filter out certain invisible characters while allowing others, which is why multiple types are provided.

Frequently Asked Questions

Will invisible characters work on all platforms?
Most platforms support zero-width space (U+200B). Some platforms like Discord and certain games filter specific invisible characters. The Hangul Filler and Braille Blank tend to work in more places because they are categorized as regular characters rather than formatting characters.
Can invisible characters be detected?
Yes. While invisible to the human eye, these characters show up in hex editors, character inspectors, and when checking string length. Developers can detect them with regular expressions or Unicode-aware string functions. They are not truly hidden, just not visually rendered.
Are invisible characters safe to use?
They are standard Unicode characters and are safe from a technical standpoint. However, using them to bypass content moderation, impersonate users, or create misleading content may violate platform terms of service. Use them responsibly.
Why does my invisible username not work?
Many platforms now filter zero-width characters from usernames. Try different invisible character types. The Hangul Filler (U+3164) and Braille Blank (U+2800) often work where zero-width characters are blocked because they technically have a width value.
What is text watermarking with invisible characters?
You can insert unique patterns of invisible characters into text to identify the source if the text is copied. Each recipient gets a different invisible pattern, allowing you to trace leaks. This technique is used by some companies for confidential documents.