Case Converters
Free case converter tools
Switch between UPPER, lower, Title and Sentence case in one click.
Case converters fix messy capitalization in seconds. Got a doc in ALL CAPS? A headline that's lowercase? A list of SKUs you need normalized? Pick the case you want and Toolkno does the rest. Free, browser-based, and works on accented characters too.
All case converters
Case Converter
Convert text to uppercase, lowercase, title case, sentence case and toggle case
Text to Uppercase
Convert text into ALL CAPS for headings, labels and data formatting
Text to Lowercase
Convert text to clean lowercase for data cleanup and SEO formatting
Title Case Converter
Format text into proper title case for headlines and blog titles
Sentence Case Converter
Convert text to sentence case for grammar and readability
Toggle Case Converter
Switch uppercase letters to lowercase and vice versa instantly
Browse other categories
Counter Tools
Count words, characters, sentences and paragraphs in any text — instantly.
Remove & Clean
Strip extra spaces, line breaks, duplicates, HTML, emojis and more.
Sort & Reverse
Sort lines A-Z, Z-A, or reverse text, words and lines.
Split & Join
Break text into lines, words or paragraphs — or merge them back together.
Generators
Generate placeholder text, random words, sentences and paragraphs.
Analyzers
Compare drafts, check readability, audit keywords and study sentence structure.