liminfoText Manipulation Suite
Free web tool: Text Manipulation Suite
Result \u2014 Uppercase
—About Text Manipulation Suite
The Text Manipulation Tool is a free, all-in-one text transformer that applies nine different operations to any text you paste or type. Operations are selected via a tab bar at the top: Uppercase, Lowercase, Title Case, Sentence Case, Reverse, Remove Extra Spaces, Sort Lines, Remove Duplicate Lines, and Count Lines. Switching between tabs immediately shows the transformed result, and a copy button lets you grab the output in one click.
Developers, writers, data scientists, and content editors use this tool for a wide range of tasks: normalizing casing for database entries, preparing sorted and deduplicated word lists, cleaning up whitespace in code or configuration files, reversing strings for debugging, and quickly converting headings or titles to the correct capitalization style. Having all nine operations in one place eliminates the need to search for separate tools.
Technically, each transformation is a pure JavaScript operation computed client-side using `useMemo` for efficient re-rendering. Title Case capitalizes the first letter of each whitespace-delimited word. Sentence Case uses a regex to uppercase the first letter after sentence-ending punctuation. Sort Lines uses JavaScript's `Array.sort` with `localeCompare` for locale-aware alphabetical ordering. Remove Duplicate Lines uses a `Set` to preserve only the first occurrence of each line while maintaining order.
Key Features
- Uppercase: converts every character to its uppercase equivalent
- Lowercase: converts every character to its lowercase equivalent
- Title Case: capitalizes the first letter of every word while lowercasing the rest
- Sentence Case: capitalizes the first letter after each sentence-ending punctuation mark
- Reverse: reverses the entire text character by character
- Remove Extra Spaces: collapses multiple consecutive spaces/tabs into a single space and trims line edges
- Sort Lines: sorts all lines alphabetically using locale-aware comparison (localeCompare)
- Remove Duplicate Lines: removes duplicate lines using a Set, preserving the first occurrence and original order
Frequently Asked Questions
What is the difference between Title Case and Sentence Case?
Title Case capitalizes the first letter of every word in the text, making it suitable for headings, titles, and proper names (e.g., "The Quick Brown Fox"). Sentence Case only capitalizes the first letter of each sentence — the first character of the text and the first character after each period, exclamation mark, or question mark — which is the standard capitalization for body text and captions.
How does Remove Extra Spaces work?
Remove Extra Spaces replaces any sequence of two or more consecutive spaces or tab characters on a single line with a single space, then trims any leading or trailing spaces at the start and end of each line. It does not affect newline characters, so line breaks are preserved.
Does Sort Lines sort alphabetically or numerically?
Sort Lines uses JavaScript's `localeCompare` method, which provides language-sensitive string comparison. This means it sorts alphabetically in a locale-aware way — handling accented characters and uppercase/lowercase ordering correctly for most Western and Asian languages — rather than by raw Unicode code point values.
Does Remove Duplicate Lines preserve order?
Yes. Remove Duplicate Lines uses a JavaScript `Set` to track which lines have been seen, then filters the original array to include only the first occurrence of each line. Lines are evaluated by exact string equality, including case and whitespace. The relative order of remaining lines is preserved.
What does the Reverse operation do?
Reverse reverses the entire text as a single string of characters. It splits the text into individual characters with `split('')`, reverses the array, then joins it back. This means every character including spaces, punctuation, and newlines is reversed in position. Newline characters are also reversed, which effectively reverses the line order as well.
Can I use this tool to clean up data from a CSV or spreadsheet?
Yes. For example, if you have a column of names with inconsistent casing, paste them into the tool, select Title Case or Lowercase, and copy the result. For a list with duplicates, use Remove Duplicate Lines. For an unsorted list, use Sort Lines. Each operation treats the entire textarea content as the input.
Is the Count Lines operation the same as the line count in a text counter?
Yes. Count Lines splits the text on newline characters and returns the total count as a plain number. For example, three lines of text (two newlines) returns "3". This is equivalent to the line count you would see in a text editor's status bar or the textcount tool on this site.
Is there any text length limit?
There is no hard limit. All transformations are performed in your browser's memory using JavaScript, so the practical limit is your device's available RAM. For typical text manipulation tasks (up to tens of thousands of characters), performance is instantaneous. Very large inputs like entire books might cause a slight delay.