Invisible Character Detector Online

Locate invisible formatting, zero-width and control characters with code points and offsets. Free invisible character detector online, with no installation or account.

Tool capabilities

Input: TXT
Output: TXT · JSON

How to use Invisible Character Detector

Locate invisible formatting, zero-width and control characters with code points and offsets. This invisible character detector works directly in your browser and is free to use without an account.

Paste or open your input in the editor.
Run the tool and inspect the output. If the input is invalid, correct the reported error and run it again.
Copy the result or download it to your device.

Invisible Character Detector · Example

Input

Hello world!
Local tools help you work.
Hello again.

Output

[
  {
    "offset": 12,
    "codePoint": "U+000A",
    "escaped": "\"\\n\""
  },
  {
    "offset": 39,
    "codePoint": "U+000A",
    "escaped": "\"\\n\""
  }
]

Locate invisible formatting, zero-width and control characters with code points and offsets.

Usage notes

Inputs and results are processed on this device. Tool content is not sent to a processing server.

Invisible Character Detector