Case Converter – Uppercase, Lowercase & Title Case
Convert text instantly with our free online Case Converter. Change uppercase to lowercase, lowercase to uppercase, title case, sentence case, and more.
0 Characters | 0 Words | 0 Sentences | 0 Lines
Standard Cases
Developer / Code Cases
Free Case Converter – Convert Text to Uppercase, Lowercase & Title Case
Convert text case instantly with this free online Case Converter. Change uppercase to lowercase, lowercase to uppercase, or format text as title case and sentence case without manually editing every word.
Whether you accidentally typed text in ALL CAPS, need to capitalize a title, or want consistent capitalization across a document, the tool lets you change text case in seconds.
Uppercase to Lowercase Converter
Need to convert uppercase to lowercase? Paste your capitalized text into the converter above and select the lowercase option. This is useful for fixing text that was accidentally typed with Caps Lock enabled.
Example: Uppercase to Lowercase
Before
THIS IS AN EXAMPLE OF UPPERCASE TEXT.After
this is an example of uppercase text.When Should You Convert Uppercase to Lowercase?
Uppercase-to-lowercase conversion is useful for copied text, emails, documents, headings, spreadsheets, social media content and text that was accidentally entered with Caps Lock.
Lowercase to Uppercase Converter
Convert lowercase text to uppercase instantly. Paste your text into the tool and select the uppercase option to transform all letters into capital letters.
Example
hello world from the case converterHELLO WORLD FROM THE CASE CONVERTERTitle Case Converter
A title case converter changes text into a title-style format by capitalizing important words. It is useful for blog titles, article headings, video titles, presentation titles and other content where consistent capitalization matters.
Example
how to improve your writing skillsHow to Improve Your Writing SkillsWhen to Use Title Case
Title case is commonly useful for headings, article titles, book titles, video titles, presentation slides and marketing content. Always follow the style guide required by your publication or organization when exact title capitalization rules matter.
Sentence Case Converter
Sentence case is useful when normal readable sentences are required. Instead of capitalizing every important word, sentence case normally starts each sentence with a capital letter and keeps the remaining words lowercase unless they are proper nouns or acronyms.
Example
THIS IS A SENTENCE. THIS IS ANOTHER SENTENCE.This is a sentence. This is another sentence.Uppercase vs Lowercase vs Title Case vs Sentence Case
Different capitalization styles are useful for different types of content. Understanding the difference makes it easier to choose the right conversion format.
| Case | Example | Common Use |
|---|---|---|
| Uppercase | HELLO WORLD | Labels, emphasis and short headings |
| Lowercase | hello world | Normalized text and general formatting |
| Title Case | Hello World | Titles and headings |
| Sentence Case | Hello world. | Normal sentences and readable content |
Accidentally Typed in ALL CAPS? Fix It Quickly
If you accidentally typed an email, paragraph or document in ALL CAPS, you do not need to type everything again. Paste the text into the Case Converter and change it to lowercase or sentence case.
Copy Your Text
Select and copy the text that needs capitalization changes.
Paste Into the Tool
Paste your text into the Case Converter above.
Choose a Case
Select lowercase, sentence case or another format you need.
How to Convert Text Case Online
Step 1: Paste Your Text
Enter or paste the text you want to change into the Case Converter.
Step 2: Select the Case Format
Choose the conversion format that matches your requirement, such as uppercase, lowercase, title case or sentence case.
Step 3: Copy the Converted Text
Review the result and copy the converted text wherever you need it.
Common Uses for a Case Converter
Content Writers
Quickly fix capitalization in article titles, headings and paragraphs.
Students
Format headings, assignments and written content consistently.
Marketers
Adjust capitalization in headlines, advertisements and campaign content.
Developers
Convert text into supported naming formats when preparing code-related text and identifiers.
Why Use an Online Case Converter?
Changing capitalization manually can take time when working with large amounts of text. An online case converter provides a faster way to change the formatting while keeping the original words and structure available for reuse.
- Convert text in seconds
- Useful for uppercase and lowercase conversions
- Useful for titles and headings
- Works with short or long text
- No need to manually edit every word
Other Text Case Formats
Depending on the options available in the tool, you can also use other capitalization formats for different writing and development tasks.
Capitalized Case
Example: Hello World From The Converter
Alternating Case
Example: HeLlO WoRlD
camelCase
Example: helloWorldExample
snake_case
Example: hello_world_example
Tool Changelog
The Case Converter gets updated based on user feedback, Unicode standard changes, and new naming convention needs.
Improved the Case Converter experience with expanded uppercase, lowercase, title case, and sentence case guidance. Added practical conversion examples, case comparisons, common use cases, step-by-step instructions, and updated frequently asked questions.
Added style guide title case comparison (AP, APA, MLA, Chicago). Added a developer naming convention table covering 15 languages and frameworks. Added a brand name capitalization reference.
Added camelCase, PascalCase, snake_case, CONSTANT_CASE, and kebab-case conversion modes. Fixed Unicode edge cases for international characters. Added download output as a .txt file.
Launched Case Converter on WordCounter.vip. Core modes: uppercase, lowercase, title case, sentence case, capitalized case, alternating case.
Trust & Transparency
The Case Converter uses browser-based text transformation to convert capitalization formats. The tool is designed to make common text formatting tasks quick and simple.
Text Formatting
Convert text between supported capitalization formats without manually editing every letter.
Instant Results
Select a case format and review the converted result immediately.
Privacy Focused
The conversion is designed to run in the browser so your text does not need to be uploaded for basic case conversion.
Easy to Use
Paste your text, choose a format and copy the converted result.
Technical Documentation & Standards:
