This online tool converts any lowercase text into UPPERCASE instantly. Paste or type your text, click one button, and the result updates in the same text box. Only letter case changes. Numbers, punctuation, spacing, and line breaks stay exactly the same. It also shows live text statistics, so you can see counts update as you type, paste, convert, copy, download, or clear.
How the converter works
The conversion uses standard Unicode casing rules in your browser:
- Lowercase letters become uppercase.
- Already-uppercase letters stay unchanged.
- Numbers, punctuation, symbols, emojis, spaces, tabs, and line breaks are preserved as-is.
- The tool does not reformat your text. It only changes letter case.
Buttons and actions
Convert lowercase to UPPERCASE
Converts all lowercase letters in the text box to uppercase and updates the same field. If there are no lowercase letters to convert, the tool leaves the text unchanged and shows a message.
Copy text
Copies the entire current text box content to your clipboard. If the browser clipboard API is blocked or unavailable, the tool automatically uses a fallback copy method.
Download .txt
Downloads the current text as a plain .txt file using UTF-8 encoding. Only the text is saved, with the same line breaks and spacing you see in the box.
Clear
Clears the text box, resets the live stats to zero, and keeps the tool ready for new input.
Live text statistics
The stats panel updates automatically on every change, including typing, pasting, converting, copying, downloading, and clearing.
Characters
Counts every character exactly as it appears in the text box, including letters, numbers, punctuation, symbols, spaces, and line breaks. This is the same as the full string length.
Characters (no spaces)
Counts characters after removing all whitespace characters. Whitespace includes spaces, tabs, and line breaks. In other words, it counts everything except any whitespace.
Words
Counts sequences of letters or digits separated by other characters. Punctuation and symbols are not counted as words. Contractions with an apostrophe inside a word are treated as a single word.
Sentences
Counts sentence-like segments that end with a period, exclamation point, or question mark (., !, ?). Multiple ending marks like ?! are treated as one sentence ending.
Lines
Counts lines based on line breaks. Each newline creates a new line, including empty lines. If the text box is empty, the line count is zero.
Paragraphs
Counts non-empty text blocks separated by one or more blank lines. Consecutive empty lines are treated as a single separator, so extra spacing does not inflate the paragraph count.
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