Skip to main content

Create Invisible Text with Zero-Width Characters Generate invisible Unicode characters — zero-width spaces, joiners, and more.

Invisible Text Generator illustration
📝

Invisible Text Generator

Generate invisible Unicode characters — zero-width spaces, joiners, and more.

1

Choose Character Type

Select which invisible character to generate (ZWSP, ZWNJ, ZWJ, etc.).

2

Set Count

Specify how many invisible characters to generate.

3

Copy the Invisible Text

Copy the invisible characters from the output area.

Loading tool...

What Is Invisible Text Generator?

An invisible text generator creates strings of invisible Unicode characters that take up no visible space but are present in the text, including Zero-Width Space (U+200B), Zero-Width Non-Joiner (U+200C), and other special characters. Developers and power users employ it to generate blank text for purposes like creating empty usernames or embedding hidden messages in plain sight. One specific problem Invisible Text Generator solves is generating large quantities of invisible text without manual copying and pasting, which can be tedious and error-prone.

The tool offers a selection of six different invisible characters to choose from, each with its own unique properties and use cases, such as the Zero-Width Space for line breaking control or the Soft Hyphen for indicating word breaks. It also allows users to specify the count of invisible characters they want to generate, ranging from 1 to 10,000, giving them fine-grained control over their output. What makes this tool different is its ability to generate a large number of invisible characters in a single operation and display the resulting byte length, making it useful for tasks like generating blank text copy paste or working with invisible unicode characters.

It includes features like input validation to ensure the character count stays within the allowed range, preventing potential errors. The generated output is formatted with clear labels indicating the start and end of the invisible characters, along with a byte length calculation using the TextEncoder API, providing users with detailed information about their output.

Why Use Invisible Text Generator?

  • Multiple invisible character types available
  • Customizable quantity
  • Shows byte size of generated text
  • Educational tool for understanding Unicode
  • Legitimate uses in typography and encoding

Common Use Cases

Typography Control

Insert zero-width spaces for line-break control in long words or URLs.

Text Encoding

Use invisible characters for watermarking or steganographic text encoding.

Testing

Test how applications handle zero-width and invisible characters in input.

Blank Messages

Send apparently empty messages in messaging apps that require non-empty input.

Technical Guide

Invisible characters are Unicode control characters and format characters that have no visible glyph but affect text processing. Zero-Width Space (U+200B) marks a potential line break point. Zero-Width Non-Joiner (U+200C) prevents ligature formation. Zero-Width Joiner (U+200D) triggers ligature or joining behavior (used in emoji sequences). Word Joiner (U+2060) prevents line breaks. Soft Hyphen (U+00AD) marks a potential hyphenation point. BOM (U+FEFF) is the Byte Order Mark. Each character, while invisible, has a non-zero byte representation in UTF-8 (typically 2-3 bytes each), which is why the tool shows byte length.

Tips & Best Practices

  • 1
    Zero-Width Space (ZWSP) is the most commonly used invisible character
  • 2
    ZWJ is used in emoji to create combinations (e.g., family emoji)
  • 3
    Soft Hyphen only shows a hyphen when the line breaks at that point
  • 4
    Some platforms strip invisible characters — test on your target
  • 5
    Use the Zero-Width Detector tool to find invisible characters in text

Related Tools

Frequently Asked Questions

Q What is a zero-width space?
A zero-width space (U+200B) is an invisible character that takes no visible space but marks a potential line-break point.
Q Can invisible characters break things?
Yes, invisible characters can cause issues in code, passwords, database entries, and comparisons. Use the Zero-Width Detector to find them.
Q How many bytes does each invisible character use?
In UTF-8 encoding, most invisible characters use 2-3 bytes each despite being visually empty.
Q Can I see invisible characters?
Not directly — use the Zero-Width Detector tool or a hex editor to reveal their presence.
Q Are invisible characters stripped by social media?
Some platforms strip certain invisible characters. Behavior varies by platform and specific character.

About This Tool

Invisible Text Generator is a free online tool by FreeToolkit.ai. All processing happens directly in your browser — your data never leaves your device. No registration or installation required.