πŸ”  Case Converter

Convert text between UPPERCASE, lowercase, Title Case, and more β€” free, in your browser.

✨ See what this tool can do
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Mixed text
βœ…Convert text between cases
🎯Convert to Title Case for headlines
πŸ”’100% private β€” runs in your browser
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Converted case

πŸ“₯ Input Text

πŸ“€ Converted Text

πŸ”„ Convert To

Case Converter: Convert text between cases

Case Converter lets you convert text between cases. Upload text and get converted text β€” all processed locally in your browser, with no uploads and no sign-up.

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Convert to Title Case for headlines

Convert to Title Case for headlines. This is one of the most common reasons people reach for Case Converter β€” and it handles the job in seconds, entirely in your browser.

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Switch to UPPER or lower case

Switch to UPPER or lower case. This is one of the most common reasons people reach for Case Converter β€” and it handles the job in seconds, entirely in your browser.

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Fix sentence case in paragraphs

Fix sentence case in paragraphs. This is one of the most common reasons people reach for Case Converter β€” and it handles the job in seconds, entirely in your browser.

Everything You Need in a Case Converter

Powerful features that make Case Converter fast, private, and free.

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Instant Analysis

Results appear the moment you upload or paste.

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Detailed Output

Get precise statistics, codes, or comparisons.

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100% Private

All analysis is local β€” nothing is uploaded.

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Non-Destructive

Your original files are never modified.

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Free Forever

No sign-up, no limits, completely free.

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Cross-Platform

Works on any device with a modern browser.

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100% Private
Files never leave your browser
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Browser-Based
No installs, no uploads
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Free Forever
No sign-up, no watermarks
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No Signup
Start instantly, no account

How to Use

1

Enter Text

Paste or type your text in the input area.

2

Choose Case

Click any case button to convert.

3

View Result

Converted text appears on the right.

4

Copy

Click Copy to copy the result.

Detailed User Guide

Enter Text

Paste or type your text in the input area.

Choose Case

Click any case button to convert.

View Result

Converted text appears on the right.

Copy

Click Copy to copy the result.

Frequently Asked Questions

This tool capitalizes every word. For AP-style (excluding articles like 'a', 'the'), use a dedicated title case tool.
Yes. Unicode letters are converted using native JS toUpperCase/toLowerCase which supports Unicode.
snake_case uses underscores (Python/Ruby convention). kebab-case uses hyphens (URL/CSS convention).
UPPER, lower, Title, Sentence, and camelCase.
Yes β€” conversion happens as you type.
Yes β€” tools use standard algorithms and parsers for reliable results.
Yes β€” batch analysis is supported where relevant.