Change Text Case Online
Convert text to UPPERCASE, lowercase, Proper Case or Sentence case in bulk.
100% private. Everything runs in your browser. Your data never leaves your device.
Change Case
What does this tool do?
This tool converts text to UPPERCASE, lowercase, Proper Case, or Sentence case in bulk. It is a quick online alternative to Excel's UPPER, LOWER, and PROPER functions, and it runs in your browser.
How to use Change Text Case - Free Online Tool
- Paste your text, or click "Try with sample data".
- Choose the case you want: UPPER, lower, Proper, or Sentence.
- Click Convert (or see the live result).
- Copy or download the converted text.
Example
Converting to Proper Case:
Before
| Text |
| john SMITH |
| mary JONES |
After
| Text |
| John Smith |
| Mary Jones |
Each word is capitalized correctly.
Excel formula alternative
Prefer a formula? You can achieve a similar result with PROPER / UPPER / LOWER:
=PROPER(A2) =UPPER(A2) =LOWER(A2)
These Excel functions each do one case. This tool offers all of them plus Sentence case, applied in bulk.
When should I use this tool?
Standardizing names and titles
Fixing ALL CAPS or all-lowercase data
Cleaning imported text
Preparing consistent labels
Formatting headings
Tidying survey text
Frequently Asked Questions
UPPERCASE, lowercase, Proper Case (each word capitalized), and Sentence case (first letter of each line).
No. Conversion runs entirely in your browser.
Yes. It capitalizes the first letter of every word.
Yes. Paste all your values, one per line, and convert them together.
Related Tools
Compare Excel Files
Excel Formula Generator
Merge Excel Workbooks
Trim, Clean & Convert Case
Remove Duplicates
Compare Two Excel Columns
Excel ↔ JSON Converter
Excel ↔ XML Converter
EMI Calculator
Age Calculator
Excel ↔ CSV Converter
Split Excel Sheets
Remove Blank Rows/Columns
Format Data
Income & Expense Tracker
Find Duplicates
Split Text (Text to Columns)
Extract Email Addresses
Extract Numbers from Text
Word & Character Counter
Find & Replace Text
Combine Columns
Remove Special Characters
Add Prefix / Suffix
Reverse Text
Convert Text to Numbers
Split Full Names
Remove Extra Spaces
Extract URLs
Extract Text Between Characters
Add Serial Numbers
Transpose Data
Sort Data
Delete / Keep Columns
CSV Viewer
CSV to JSON
JSON to CSV
CSV to SQL
CSV to Markdown Table
Markdown Table to CSV
Excel / CSV to HTML Table
Count Unique Values
Data Profiler & Health Check
Percentage Calculator
Percentage Change Calculator
Profit Margin Calculator
CAGR Calculator
Discount Calculator
GST Calculator