The invisible character checker examines the text you submit specifically for supported hidden characters in text, helping you identify characters that may not be visible during normal reading.
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INVISIBLE CHARACTER CHECKER
Find what you can’t see in your text
Hidden characters in text can be difficult to spot because they don’t appear as visible symbols or spaces. Yet characters such as a zero width space, zero width joiner, or U+200C can affect how text is searched, compared, validated, copied, or formatted. The invisible character checker reveals these hidden characters and shows where they appear, so you can understand what is actually present in your text and decide whether it needs to be cleaned.
Pro access is verified securely by the API. Current scans are not saved.
UNDERSTANDING THE RESULT
Invisible does not always mean malicious.
Invisible characters can affect how your AI-generated text is searched, copied, compared, or formatted.
The results identify supported hidden characters in text. You can review characters such as a zero width space, zero width joiner, or U+200C when detected.
The result explains what the invisible character checker inspected and what it did not inspect, so you can understand the findings before making any changes to your text.
WHEN TO USE IT
Check for hidden characters in text
Use the invisible character checker when AI-generated text looks completely normal but behaves unexpectedly during search, validation, comparison, copying, or formatting. The checker can help reveal supported non-rendering Unicode characters, including a zero width space, zero width joiner, and U+200C, without changing the original text you submitted.
REVIEW THE EVIDENCE
Understand what the checker finds
Not every invisible character in your AI-generated text is unwanted. Hidden characters in text can serve legitimate purposes in writing systems, emoji sequences, bidirectional text, or formatting. Use the invisible character checker to identify what is present, then interpret each result according to the context in which the text is being used.
How the workflow runs
- Paste the text you want to inspect.
- Run the invisible character checker.
- Review detected character names, Unicode code points, and exact positions.
- Check whether characters such as a zero width space, zero width joiner, or U+200C are intentional.
- If necessary, clean a separate copy while keeping the original text unchanged.
A practical example
A zero-width space such as U+200B can sit between two visible letters. The checker exposes its location even though a normal editor may show no gap.
Submitted content is processed to return the requested result and is not added to a scan-history feature. Read the Privacy Policy before submitting sensitive material.
COMMON QUESTIONS
Frequently asked
questions.
What is an invisible character checker?
An invisible character checker identifies non-rendering Unicode characters in your text, helping you find hidden characters in text that may affect formatting, searching, comparison, or validation.
What is a zero width space?
A zero width space is a non-visible Unicode character that can appear between characters without creating visible spacing, potentially affecting text processing, searching, or comparisons.
What is U+200C?
U+200C is the Unicode code point for Zero Width Non-Joiner, an invisible character that can affect how certain scripts and character sequences are rendered.
Does the invisible character checker remove hidden characters?
No. The invisible character checker reports detected hidden characters in text without changing your submitted source, allowing you to review the evidence before cleaning a separate copy.
Are my results stored after checking?
No. Submitted content is processed to provide the requested result and is not added to a scan-history feature. Review the Privacy Policy before submitting sensitive or confidential text.