Hidden Unicode reference
Understand what U+3164 is, how it differs from a normal space, and why some systems still count it as a visible character.
One-click copy tool
Invisible Character Copy and Paste
Get invisible U+3164 characters for text, names and blank spaces. Check the pasted characters below; acceptance depends on the app and field where you use them.
Invisible character ready to copy
U+3164 Hangul Filler, not a normal keyboard space.
Characters to copy
U+3164 Ă— 1
Click the button above to copy the invisible character to your clipboard.
Test invisible characters
Local analysis only. Limit: 4,000 UTF-16 units, not the limit of another app.
- Code points
- 0
- UTF-16 units
- 0
- Detected invisibles
- 0
Character sequence
No text entered
Detects U+00A0, U+200B, U+200C, U+200D, U+2060, U+3164 and U+FEFF. Positions start at 1 and count code points, not visual characters.
Detection confirms the pasted text only, not acceptance by another app. Compatibility requires checking the target field after saving.
Ready-made invisible character examples
Tap any template to copy a version with the invisible character already inserted.
Single character
ă…¤
Between words
Helloă…¤World
Triple blank
ㅤㅤㅤ
Username gap
Alphaă…¤Beta
Where people use the invisible character
Compatibility checks
See where apps allow, strip, or normalize hidden characters before you rely on them in forms or profile fields.
Developer and QA testing
Use the copied character to test sanitization, rendering, exports, and hidden-character handling in text systems.
What is this character?
This tool copies the Unicode Hangul Filler character. It looks blank, but many apps still treat it as a valid character.
Code point
U+3164 Hangul Filler
Aă…¤B
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Frequently asked questions
Is U+3164 the same as a normal space?
No. It looks blank, but it is a different Unicode code point, so systems can treat it differently from a standard keyboard space.
Will every app preserve this invisible character?
No. Some apps keep it, some remove it, and others normalize it during validation, storage, or rendering.
Why do some tools call it Hangul Filler?
Because the code point U+3164 is officially named Hangul Filler in Unicode, even though people often use it as an invisible character.
What should I check before using it?
U+3164 is a Unicode character, not executable code. Test whether the target field preserves it and review that platform's naming rules before saving.