100% free · Works right in your browser · No signup needed
The Case Converter instantly changes the capitalization of your text - UPPER CASE, lower case, Title Case, Sentence case, camelCase, snake_case or aLtErNaTiNg - with a single click. It also counts characters, words and lines live as you type, doubling as a handy mini word counter for quick checks.
How to use: 1) Paste or type your text into the box. 2) Click any case button - the entire text converts instantly in place. 3) Watch the live character, word and line counts update. 4) Click Copy Text to copy the result, or Clear to start over.
Why convert text case? Fixing capitalization by hand is tedious and error-prone. Pasted headlines arrive in ALL CAPS, database exports and form submissions come out all lowercase, and developers constantly need camelCase or snake_case for variable and function names. Essay titles need Title Case, email subject lines look unprofessional in the wrong case, and social media posts typed in caps read as shouting. This tool does in one click what would take minutes of manual editing - and it never misses a word.
Key benefits: Seven conversion styles cover every common need - from Sentence case for clean prose to camelCase and snake_case for programmers, plus a fun alternating style for stylized text. Live word and character counts help writers stay within limits for meta descriptions, tweets and headlines. Everything runs locally in your browser with zero uploads, so your text stays private. There are no limits on text length and no signup required - it just works.
Pro tips: Convert first, then proofread - Title Case capitalizes every word including small ones like "and" and "the", so give headlines a quick manual pass for formal style guides. For developers, snake_case output strips punctuation and splits on spaces and underscores, making it safe for database columns and Python variables. When pasting from Word or Google Docs, hidden formatting is ignored - only the text converts. Keep a copy of the original before converting if the exact original casing matters for legal or brand names.
FAQs: What is Title Case? Every major word capitalized, as used in headlines and book titles - for example "The Quick Brown Fox". What is Sentence case? Only the first letter of each sentence capitalized, like normal prose. What is camelCase? Words joined with each new word capitalized and no spaces, used in programming: myVariableName. What is snake_case? Words joined with underscores in lowercase, common in Python and databases: my_variable_name. Will it fix my grammar or spelling? No - it only changes capitalization; your content and spelling are left untouched.
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