Hangul Filler (U+3164) - The Invisible Korean Character Explained
Hangul Filler (U+3164) is an invisible Korean character. Copy it for blank usernames on Discord, Steam, and Instagram. Learn how to type and use it.
What Is Hangul Filler?
Hangul Filler (U+3164) comes from the Korean writing system. The character looks completely invisible. But platforms count it as real text. Nothing appears on screen. Yet the character exists.
The character was originally a placeholder. Korean text input systems used it for spacing. Today people use it for creative purposes beyond its original design.
Quick Facts
- It is invisible when rendered
- It belongs to Hangul Compatibility Jamo block
- Unicode 1.1 introduced it in 1993
- It is a "letter", not a "space" character
- People call it "Hangul Filler" or "Korean Filler"
Common Uses Today
- Blank social media bios on Instagram and Discord
- Invisible usernames in Fortnite, Steam, and Roblox
- Bypassing required text fields in apps
- Creating invisible messages in chat
- Formatting plain text without spaces
Technical Details
| Property | Value |
|---|---|
| Unicode Code Point | U+3164 |
| Decimal Value | 12644 |
| HTML Entity (Hex) | ㅤ |
| HTML Entity (Decimal) | ㅤ |
| CSS Code | \3164 |
| JavaScript Escape | \u3164 |
| Unicode Category | Other Letter (Lo) |
| Unicode Block | Hangul Compatibility Jamo |
| Visibility | Invisible |
Why Hangul Filler Is Different
Most invisible characters are spaces. Hangul Filler is a letter. This small difference matters greatly.
A normal space (U+0020) gets trimmed from usernames. Hangul Filler stays because platforms see a letter. Form validation passes it. Filters often miss it.
How to Type Hangul Filler
Copy and Paste (Easiest)
Copy the invisible character between the brackets: [ㅤ]
Paste it anywhere you need. This works on phones, tablets, and computers.
Keyboard Methods
- Windows (ALT Code): Hold Alt. Type 12644 on number pad. Release Alt.
- Windows (Character Map): Search for "Hangul Filler" or "3164".
- Mac (Unicode Hex): Enable Unicode Hex Input. Hold Option. Type 3164.
- Linux: Press Ctrl + Shift + U. Type 3164. Press Enter.
HTML Code
<p>VisibleㅤText</p>
JavaScript Code
const filler = '\u3164';
console.log(`Hello${filler}World`);
Practical Applications
Blank Social Media Bios
Instagram, Discord, and TikTok allow Hangul Filler in bios. One character creates a blank bio. Multiple characters create invisible spacing.
Invisible Usernames in Games
Fortnite, Steam, and Among Us accept invisible names. The username appears empty. Other players see nothing.
Bypassing Required Fields
Some forms reject empty fields. Paste Hangul Filler into the field. The form sees text. Users see nothing.
Text Formatting
LeftㅤㅤㅤRight
Column1ㅤㅤColumn2
Hangul Filler vs Other Invisible Characters
| Character | Unicode | Visible | Category | Best For |
|---|---|---|---|---|
| Hangul Filler | U+3164 | No | Letter | Blank usernames and bios |
| Zero Width Space | U+200B | No | Format | Word breaking |
| Ideographic Space | U+3000 | Yes (wide) | Space | CJK formatting |
| Normal Space | U+0020 | Yes | Space | Word separation |
Hangul Filler is unique because it is a letter. Other invisible characters are spaces or format controls. This classification helps Hangul Filler pass validation checks.
Platform Compatibility
| Platform | Support | Common Use |
|---|---|---|
| Discord | ✅ Yes | Invisible nickname |
| ✅ Yes | Blank bio | |
| Steam | ✅ Yes | Blank profile name |
| Fortnite | ✅ Yes | Invisible display name |
| Telegram | ✅ Yes | Invisible username |
| ⚠️ Partial | May be filtered | |
| Roblox | ⚠️ Partial | Some filters block it |
| YouTube | ❌ Limited | Often stripped |
Potential Risks
- Account flags: Some platforms flag invisible names as suspicious.
- Reporting issues: Users may report blank profiles as spam.
- Recovery problems: You cannot describe an invisible username to support.
- Search inability: Friends cannot search for your profile.
- Filter updates: Working tricks today may break tomorrow.
Troubleshooting
Hangul Filler shows as a box (□)
The font does not support U+3164. Switch to a modern font. Use a current browser.
Platform rejects the character
Some apps block U+3164. Try Zero Width Space (U+200B) instead. Or accept that the platform does not allow invisible characters.
Character disappears after saving
The platform strips the character on submission. Add multiple copies. Use a different method.
Frequently Asked Questions
Is Hangul Filler the same as a blank space?
No. A blank space is a separator. Hangul Filler is a letter. This classification difference matters for validation.
Can I use Hangul Filler in email addresses?
Technically yes. But do not do this. Most email systems reject it.
Is Hangul Filler detectable?
Yes. Developers can check for \u3164 in strings. Platforms can filter this code point.
How do I remove Hangul Filler from text?
// JavaScript
text.replace(/\u3164/g, '')
// Python
text.replace('\u3164', '')
Quick Reference
| Feature | Value |
|---|---|
| Character Name | Hangul Filler |
| Unicode | U+3164 |
| Copy It | ㅤ |
| Windows ALT Code | Alt + 12644 |
| HTML Entity | ㅤ |
| Category | Other Letter (Lo) |
| Visibility | Invisible |
Summary
Hangul Filler (U+3164) is an invisible Korean character. It is classified as a letter, not a space. This makes it useful for blank usernames and bios.
Copy it from this page. Paste it on Discord, Instagram, or Steam. Use ALT code 12644 on Windows for direct typing.
Test on your target platform first. Some platforms block it. Use responsibly. Keep backup access to your accounts.