A text limit can refer to visible characters, Unicode code points or bytes. Those are not always the same thing. This matters when a form accepts Urdu, emoji or copied text with combined marks.
Unicode Text Counter reports several measurements together. It counts Unicode code points and UTF8 bytes, with approximate word and line counts.
A simple benchmark
For the text Ali Lahore, there are 10 code points and 10 UTF8 bytes, including the space. There are two words and one line. Adding a line break changes the line structure as well as the character and byte totals.
Urdu characters and many emoji need more than one byte in UTF8. A visually short phrase can therefore consume a larger byte allowance than an equally short ASCII phrase.
A displayed symbol can also contain several code points. This counter does not measure grapheme clusters, so its character figure may differ from a phone keyboard or editor that counts the visible symbol as one character.
Match the receiving system's limit
If a database field is limited in bytes, use the byte figure. If an application describes a visible character limit, confirm how that application measures it. This tool cannot infer an unseen form's validation rule.
Word counting is approximate. Hyphenation, punctuation, URLs and languages without space separated words can produce results that differ from editorial expectations.
An empty input is a valid case and returns zero counts. It does not need a placeholder word merely to make the tool run.
Use the counter as a way to inspect the text you actually plan to submit. Avoid relying on a count taken before a final edit, since an added newline, emoji or copied formatting character can change the result.