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Unique Character Counter

Count the distinct characters a text uses, listed with frequencies.

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distinct characters

Character inventory

Character Code point Category Count

Quick Tool Overview

The Unique Character Counter reports how many distinct characters a text actually uses and lists every one with its frequency and Unicode code point. A long article usually draws on fewer than eighty distinct characters, which is exactly the fact that makes font subsetting and encoding checks possible.

What it does
Counts distinct characters and lists the full inventory
You give it
A document, data export or font specimen
You get back
The distinct count plus every character with code point and frequency
Best for
Font subsetting, charset checks and encoding audits
Text Tools Free, unlimited use No sign-up Runs in your browser

About the Unique Character Counter

The set of characters a text actually uses is a different question from how long it is, and it is the question that matters when you are choosing a font subset, sizing a database charset or checking whether a string will survive a system that only accepts ASCII. A 40,000-character article usually draws on fewer than 80 distinct characters.

This tool counts the distinct characters, lists every one of them with its frequency and Unicode code point, and splits the inventory into letters, digits, punctuation, whitespace and symbols. Anything outside ASCII is flagged, so you can see at a glance whether a text is safe to send through a legacy system before you find out the hard way.

Key features of the Unique Character Counter

Full character inventory

Every distinct character is listed with its count, percentage and U+ code point, ready to paste into a subsetting config.

ASCII safety flag

Characters outside the ASCII range are marked, so you know before you send whether a legacy system will mangle the text.

Grouped by category

Letters, digits, punctuation, whitespace and symbols are separated, so the shape of the character set is clear.

Case folding optional

Count A and a as one character when you want the alphabet in use, or as two when you need the glyph list.

Emoji counted as read

A multi-code-point emoji counts as the one character a reader sees, with its full sequence shown in the code point column.

How to use the Unique Character Counter

  1. 1

    Paste the text

    A document, a data export or a font specimen.

  2. 2

    Read the distinct count

    The headline figure is how many different characters appear, regardless of how often.

  3. 3

    Scan the inventory

    Every character is listed with its count, percentage and Unicode code point.

  4. 4

    Check the ASCII flag

    Characters outside the ASCII range are marked, so you know what a legacy system would mangle.

Frequently asked questions

By default yes — A and a are two different characters, which is what matters for a font subset or an encoding check. Switch on "ignore case" to fold them together when you are looking at the alphabet in use instead.

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