Case Converter

Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case and more. Free text case converter.

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Free Text Case Converter

Convert text between 12 different case formats including programming conventions like camelCase, snake_case and kebab-case.

Add numbering to each line of a text, with a custom start number and separator. In the browser.

Check character limits for Twitter/X, Instagram, LinkedIn, YouTube, TikTok and more. Real-time character counting with platform-specific limits.

Remove duplicate lines from text instantly. Find and eliminate repeated lines with case-sensitive or case-insensitive matching. Free online tool.

Extract all email addresses or URLs from a text, deduplicated and counted. Processed locally in the browser.