Free Case Converter
Convert text to UPPERCASE, lowercase, Title Case, Sentence case, or aLtErNaTiNg case.
A case converter changes the capitalization of your text in one click — no manual editing required. Convert to UPPERCASE for headings, lowercase for URLs, Title Case for titles and proper nouns, or Sentence case for clean, readable paragraphs.
- ✓ UPPERCASE — shout it out
- ✓ lowercase — clean and minimal
- ✓ Title Case — AP style headings
- ✓ Sentence case — natural paragraphs
- ✓ aLtErNaTiNg — for memes and fun
- ✓ Live re-conversion as you type
How to Convert Text Case
- Type or paste your text into the input box.
- Click a case button — UPPER CASE, lower case, Title Case, Sentence case, or aLtErNaTiNg.
- Edit the original — the output updates live as you make changes.
- Copy the result using the Copy button below the output.
When to Change Text Case
- Blog and article titles — use Title Case for headlines following AP or Chicago style.
- Copy-pasted text — fix ALL CAPS text pasted from PDFs or old documents.
- Coding and databases — convert to lowercase for variable names, SQL fields, or slugs.
- Presentations — standardize headings to a consistent case style across slides.
- Social media — aLtErNaTiNg case for meme captions or ironic emphasis.
Related guides
Frequently Asked Questions
- What is Title Case?
- Title Case capitalizes the first letter of most words while leaving minor words (a, an, the, and, etc.) lowercase, following AP style.
- What is Sentence case?
- Sentence case capitalizes only the first word of a sentence, leaving everything else lowercase.
- Is my text stored anywhere?
- No. All conversion happens locally in your browser. Nothing leaves your device.
- What is the difference between Title Case and Sentence case?
- Title Case capitalizes the first letter of most words (e.g., "The Quick Brown Fox"). Sentence case only capitalizes the first word and proper nouns (e.g., "The quick brown fox"). Title Case is used for headings; Sentence case is used for regular text.
- Is this tool free to use?
- Yes, completely free with no account or download required. All conversions happen in your browser.