How to use the Username Formatter
- Paste or upload your text. Type, paste or upload a .txt file into the input box.
- Pick options. Set Separator, Prefix, Add random number and Add @ symbol to control the result.
- See the result instantly. The output updates live as you type.
- Copy or download. Use Copy to clipboard or Download to save the result.
About this tool
Word counter, case converter, text cleaner, sorter, extractor and fancy text tools.
Read the complete Username Formatter guide
Frequently asked questions
Is the Username Formatter free to use?
Yes. The Username Formatter on Gemma-4 is 100% free with no sign-up, no limits and no watermark. An optional free account lets you save favourites.
Is my data private?
Yes. Your inputs are processed instantly and are not stored on our servers.
Does it work on mobile phones?
Absolutely. The Username Formatter is fully responsive and works on Android, iPhone, tablets and desktop browsers such as Chrome, Edge, Safari and Firefox.
Is there a limit on text length?
You can process very large texts (several megabytes). Extremely large inputs may take a moment depending on your device.
Who is the Username Formatter useful for?
It is popular with writers, bloggers and students, social-media managers, data-entry operators — anyone who needs quick, reliable help with editing and analysing text instantly.