Measure character count, line count, whitespace and byte length for any pasted string.
-Characters
-Lines
-UTF-8 bytes
For beginners: how to read the result
Start with the first cardIt gives the direct answer for the current mode before the longer output text.
Use the output boxCopy the exact converted value, table, header or parsed data from the output area.
Keep sensitive data localThe calculator runs in your browser, but you should still avoid secrets that your policy forbids in tools.
Paste your value, choose the mode if the calculator has one, and use the first result card as the direct answer. The longer output area is designed for copying into code, documentation, API tests or a spreadsheet.
What the result means
The result separates visible characters, code points, line breaks and byte length so limits can be checked before submission.
What is not included
It does not emulate a specific database column or SMS segment rule.
Privacy note
The interactive calculation runs in your browser. The page still should not be used with passwords, tokens or personal data that your own rules do not allow in browser tools.