Step by step
- Insert a blank helper column next to the column you want to convert (for example, column B next to A).
- Type =UPPER(A1), =LOWER(A1), or =PROPER(A1) in cell B1 and press Enter.
- Drag the fill handle down to apply the formula to the rest of the rows.
- Copy column B, right-click column A, and choose Paste Values to replace the original text, then delete the helper column.
At a glance
| Goal | Formula | Example result |
|---|---|---|
| All uppercase | =UPPER(A1) | HELLO WORLD |
| All lowercase | =LOWER(A1) | hello world |
| Capitalize each word | =PROPER(A1) | Hello World |
| Remove extra spaces too | =PROPER(TRIM(A1)) | Hello World |
Related questions
What is the Excel formula for uppercase to lowercase?
Use =LOWER(A1), replacing A1 with the cell you want to convert. It turns all letters in that cell into lowercase.
How do I change case in Google Sheets without formulas?
Google Sheets does not have a native case button, though add-ons exist. If you do not want to install an add-on, copy the column, convert it in the tool on this page, and paste it back.
Does PROPER make true Title Case?
PROPER capitalizes the first letter of every word, including short words like Of or The. If you need true Title Case, use the Title Case button in our tool.
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Open the full case converter →
Updated November 14, 2026.