Free online text formatter
Case Converter and Text Cleaner
Paste text once and convert it into common writing, coding, and SEO formats. This tool helps writers, students, developers, marketers, and data users clean text, standardize capitalization, prepare URL slugs, remove duplicate lines, and copy the final result quickly.
Paste or type your text
Use the buttons below to transform or clean your content instantly.
Case conversions
Text cleaning and line tools
Continue with SHB ToolBox
Related Tools
More useful tools from Text & Security Tools. These links help you continue your workflow without searching again.
What is a case converter?
A case converter changes the capitalization and structure of text. It can turn a paragraph into uppercase, lowercase, title case, sentence case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, or a search-friendly URL slug. This is useful when text has been copied from different sources and needs a consistent format.
For writing and editing
Writers, students, and editors can use sentence case, title case, uppercase, and lowercase tools to clean headings, article titles, social captions, product descriptions, and copied text.
For developers
Developers often need naming formats such as camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE for variables, class names, file names, routes, database columns, and environment keys.
For SEO and content work
The URL slug option converts a title into a clean lowercase phrase separated by hyphens. This helps prepare readable URLs, blog slugs, file names, and content labels.
Useful text cleaning features
Case conversion is only one part of text formatting. SHB ToolBox also includes line utilities that remove empty lines, trim each line, sort lists, reverse line order, remove duplicates, and add line numbers. These features are helpful when cleaning spreadsheet exports, copied PDF text, product lists, email lists, keyword lists, and plain text data.
Privacy note
Text can contain private notes, business information, passwords, drafts, or customer details. This tool is designed for browser-based text formatting and does not require a login. For sensitive content, always review what you paste into any online tool and avoid sharing private data unnecessarily.
Case Converter FAQ
What is the difference between camelCase and PascalCase?
camelCase starts with a lowercase word, while PascalCase capitalizes the first letter of every word.
What is kebab-case used for?
kebab-case is commonly used for URLs, slugs, file names, CSS class names, and readable web paths.
Can I remove duplicate lines?
Yes. Paste a list and click Remove duplicate lines. The first copy is kept and later duplicates are removed.
Can I download the converted text?
Yes. Use the Download .txt button to save the current text as a plain text file.