Case converter

Switch text between upper, lower, title, sentence and code cases.

Accidentally typed with Caps Lock on? Paste the text and press "Sentence case".

How to use it

  1. Paste your text.
  2. Press the case you want.
  3. Copy the result.

Questions

Are my files uploaded to a server?

No. The tool runs entirely in your browser using JavaScript, so your files never leave your device. You can even disconnect from the internet after the page loads and it keeps working.

Guides

All guides
Text tools · 23 Oct 2026Character Count Limits: X, Instagram, LinkedIn, SMS & SEOCharacter counter with spaces explained, plus the limits that matter: X posts, Instagram bios, LinkedIn, SMS 160, YouTube titles and meta descriptions.Text tools · 23 Oct 2026How to Convert Case in Word & Excel (UPPER, lower, Title)How to convert case in Word with Shift+F3 or Change Case, use UPPER, LOWER and PROPER in Excel, and get sentence case or title case online.Text tools · 23 Oct 2026How to Sort Lines Alphabetically (Word, Excel, Docs, Notepad++)Sort lines alphabetically online, or in Word, Excel, Google Docs, Notepad++ and Linux. Plus sorting by number or length, and why 10 comes before 2.

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