Uppercase to Lowercase & Vice Versa

Convert your texts to uppercase, lowercase, or alternating case. Just paste the content, choose the desired text style, and copy the ready result.

0 characters |0 words

About this tool

Convert uppercase to lowercase or lowercase to uppercase with just one click. Paste your text, choose the desired format, and get the result quickly. The alternating text option transforms each character, interleaving uppercase and lowercase letters to create a different style. All conversions preserve punctuation, numbers, and accented letters.

What the tool does

Converts text between uppercase and lowercase
Generates text with alternating letters for captions, memes, and social media
Preserves accents, numbers, and punctuation marks during conversion
Processing is done locally in the browser, keeping your texts private.

When to use it

  • Text typed with Caps Lock onA paragraph mistakenly written with Caps Lock on.
  • Headings and titlesConvert headings entirely in uppercase to the desired format.
  • Data before importingStandardize data like emails and tags in lowercase to avoid duplicates.
  • Captions on social mediaCreate texts with alternating letters for memes or posts entirely in lowercase.

How to use it

1

Paste the text

Insert into the field above the content you want to convert.

2

Choose the case

Click UPPERCASE to capitalize everything, lowercase to bring it all down, or aLtErNaTiNg for the alternating style.

3

Copy the result

Click Copy and paste the converted text wherever you need it.

Questions & Answers

Does the converter handle accented letters?

Yes. Accented and special characters are converted along with the rest, so á becomes Á and ç becomes Ç. The accent is preserved, only the case changes.

Does the tool recognize proper nouns?

No. The conversion is applied to every letter without distinction, so a proper noun turned to lowercase stays lowercase. If you need the first letter of each word capitalized, that is a different operation from these three.

What exactly is alternating case?

It rewrites the text switching between capital and small letters at each letter, producing something like tHiS. Numbers, spaces and punctuation are left untouched, so the alternation follows only the letters.

See also