Character Frequency Counter — Browser Text Tool

Text

Character Frequency Counter is a browser text tool that counts how often each character appears.

Character Frequency Counter

Runs in this browserInput and recent results are processed only in this browser tab. They are not sent to or stored on a server.

This list stays only in current-tab memory and is cleared on reset.

Text

ResultRule

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Unicode characters are counted, with spaces included or excluded according to the selected mode.

What is it

Character Frequency Counter lets you paste text, transform or analyze it, and read the result immediately. It is useful for editing, cleanup, and repeatable text preparation without server storage.

frequency[char] = count(characters(input))

How to use

1Paste or type text.
2Choose an option if available.
3Read the transformed result.

Reference

Character Frequency Counter — Browser Text Tool Reference
Input	Result
Hello World	counts how often each character appears

Sources & standards

MDN Web Docs: Client-side web APIs - MDN Web Docs

FAQ

Is Character Frequency Counter input sent to a server?

No. This tool runs in your browser and does not send input to a server.

Can I use Character Frequency Counter on mobile?

Yes. It works on mobile and desktop browsers that support text input.