Convert your text to Sentence case, lower case, UPPER CASE, Capitalized Case, Alternating Case, Title Case, or Inverse Case.
A case converter is essential for transforming text between different capitalization formats quickly and accurately. Our free online case converter lets you change text case instantly with 7 options: Sentence case, lower case, UPPER CASE, Capitalized Case, aLtErNaTiNg CaSe, Title Case, and InVeRsE CaSe. Whether you're a writer formatting headlines, a developer normalizing data, a student preparing citations, or a content creator optimizing social media posts, this tool makes text case conversion instant and free.
Processing happens entirely in your browser — your text never leaves your device. Paste or type text, click any case button, and the converted text appears instantly. A Copy button lets you grab the result with one click. The tool handles punctuation, sentence boundaries, and common Title Case exceptions (articles, prepositions) intelligently.
From students formatting essays and programmers fixing variable names to marketers preparing ad copy, content creators formatting captions, and everyday users tidying up text — this tool helps anyone convert text case effortlessly. No registration, no server uploads, no limits.
Tip: Test different formats on a short sample first. Title Case automatically keeps articles (a, an, the) and short prepositions lowercase for proper formatting.
Transforms text between different capitalization formats: Sentence, lower, UPPER, Capitalized, Alternating, Title, and Inverse case.
Yes, completely free with no limits, subscriptions, or hidden fees. Convert unlimited text.
No. Start converting text instantly without any account.
Yes. Processing happens entirely in your browser. Your text never leaves your device.
Sentence case, lower case, UPPER CASE, Capitalized Case, Alternating Case (aLtErNaTiNg), Title Case, and Inverse Case.
Capitalizes the first letter of every word, then lowercases common words like "a", "an", "the", "and", "for", "but" etc. The first word is always capitalized.
Alternates between lowercase and uppercase for each character, creating a "aLtErNaTiNg" pattern often used stylistically.
Swaps the case of every character: uppercase becomes lowercase and vice versa.
Browser memory limits apply. For best performance, keep text under 5MB.
Chrome, Firefox, Safari, Edge, and Opera. Works on desktop and mobile.
Yes, fully responsive for smartphones and tablets.
The output replaces the input. Copy your original text before converting if you need to keep it.
Formatting text case manually is tedious and error-prone. Whether you need ALL CAPS for headings, Title Case for titles, or Sentence case for paragraphs, our free online case converter handles it instantly.
Transforms text between 7 capitalization formats. Fully client-side processing for privacy and speed.
No installation, instant conversion, 7 format options, client-side privacy, completely free.
Convert text to any case instantly — Sentence, UPPER, lower, Title, Alternating, Capitalized, or Inverse. Entirely in your browser. No registration, no costs — try it now.