Invisible Character Generator - Copy Blank Text Online
Copy invisible Unicode characters like the zero width space and Hangul filler, generate any number of them, and detect hidden invisible characters in pasted text. Free and browser-based.
Invisible Characters Library
Zero Width Space
U+200B
Zero Width Non-Joiner
U+200C
Zero Width Joiner
U+200D
Word Joiner
U+2060
Hangul Filler
U+3164
No-Break Space
U+00A0
Generate Multiple Invisible Characters
Invisible Character Detector
Invisible Unicode Characters and How to Use Them
This tool gives you copyable invisible Unicode characters, a generator that produces any number of them at once, and a detector that reveals hidden invisible characters lurking in pasted text. Six characters are included, from the famous zero width space to the Hangul filler, each labeled with its official name and code point. Everything works offline in your browser, and nothing you paste or generate is ever transmitted.
People use invisible characters to send blank messages in WhatsApp and Discord, set empty-looking usernames in games, and create nicknames that appear vacant. Developers insert zero width spaces to allow line breaks inside long URLs, and content teams use the word joiner to prevent unwanted breaks. The detector side helps the opposite crowd: anyone debugging why two identical-looking strings refuse to match.
Each character behaves differently. The zero width space takes no visual width but marks a break opportunity. The zero width joiner glues emoji into combined sequences and shapes cursive scripts. The Hangul filler is the go-to for blank usernames because many platforms treat it as a real letter rather than whitespace, and the no-break space looks like a space but refuses to wrap.
Invisible characters are also a real-world data quality hazard: a single zero width space copied into a spreadsheet makes lookups fail silently, and a stray byte order mark breaks CSV imports. Pasting suspect text into the detector shows an exact per-character count in seconds, including BOM and invisible math operators beyond the basic six. That makes it a practical first stop whenever a string behaves in ways you cannot explain.
Detection is only half the cleanup, and ToolForte covers the other half. After finding unwanted invisible characters, remove them along with other formatting debris using the Text Cleaner, and verify the result with the Character Counter, which counts exactly what your eyes cannot see and confirms the string length finally matches expectations. The three tools together resolve most mystery string bugs in a couple of minutes.
How the Invisible Character Tool Works
- 01Copy any of the six invisible characters straight from the library list.
- 02Or set a count and generate up to 10,000 invisible characters at once.
- 03Paste suspect text into the detector to count hidden invisible characters.
- 04Read the per-character breakdown with official Unicode names and code points.
Knowing Your Invisible Characters
The six characters in the library each behave differently, and picking the right one matters. The zero width space takes no visual space but marks a legal line break point, making it the standard trick for letting long URLs wrap in narrow layouts. The zero width non-joiner and joiner control how neighboring characters connect: the joiner is the glue inside combined emoji families, while the non-joiner separates letters in scripts like Persian. The word joiner prevents a line break without adding width, the modern replacement for the deprecated BOM-as-glue trick. The Hangul filler is the username favorite: many platforms classify it as a letter rather than whitespace, so it passes validation that rejects spaces, producing apparently blank names. The no-break space looks exactly like a space but keeps words on the same line. The detector side is just as useful as the generator: paste any string that behaves strangely, and hidden characters reveal themselves with names and counts. This solves classic mysteries like two identical-looking strings failing comparison, spreadsheet lookups missing obvious matches, or a CSV import breaking on an invisible byte order mark at the start of a file.
When to Use Invisible Characters
Use the generator to send blank messages in chat apps, create empty-looking usernames where platforms allow it, add break opportunities inside long URLs, or prevent unwanted line breaks in formatted text. Use the detector whenever strings misbehave: failed comparisons, broken imports, search misses, and duplicate entries that refuse to deduplicate are all classic symptoms of invisible characters hiding in the data.
Common Use Cases
- Send a blank message in WhatsApp or Discord using a zero width space.
- Create an empty-looking username with the Hangul filler character.
- Diagnose why two identical-looking strings fail to match in a spreadsheet.
- Remove detected invisible characters with a cleanup pass. Text Cleaner - Free & Private
Expert Tips
- Use the word joiner, not the deprecated BOM, when you need an invisible no-break point.
- Paste suspect data into the detector before debugging string comparisons any further.
- Generate several characters at once for platforms that trim a single invisible character.
Frequently Asked Questions
- The Hangul filler, U+3164. Many platforms treat it as a real letter rather than whitespace, so it passes validation that rejects plain spaces.
- One likely contains an invisible character like a zero width space. Paste both into the detector and the hidden character count reveals the difference instantly.
- Yes. A zero width space in a spreadsheet key breaks lookups, and a byte order mark at the start of a CSV can derail imports. Detect and remove them when cleaning data.
Which character works best for blank usernames?→
Why will two identical-looking strings not match?→
Can invisible characters break my data?→
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