# Custom Characters

> Define up to 20 custom characters from Unicode for quick and easy input.

Canonical page: [https://chrome-stats.com/d/custom-characters](https://chrome-stats.com/d/custom-characters)

## Overview

- **ID:** `custom-characters`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Michael Talbot
- **Category:** appearance,language-support
- **Daily users:** 20
- **Rating:** 3.00 / 5 (4 ratings)
- **Version:** 3.0
- **Last updated:** 2022-02-09
- **First published:** 2018-01-05
- **Size:** 28 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/custom-characters/)
- **Website:** [https://gitlab.com/ffdevau/custom-characters](https://gitlab.com/ffdevau/custom-characters)

## Description

Custom Characters is a Firefox add-on that allows you to define up to 20 custom characters from Unicode for quick and easy input in any INPUT or TEXTAREA field. Simply trigger the lists with keyboard shortcuts, select the desired character by typing the corresponding number, and enjoy convenient text input with your chosen characters.

## Rankings

- #24,320 — Overall
- #105 — customer
- #116 — custom feed
- #116 — custom font
- #127 — input
- #153 — chart

## Permissions and access

### Permissions

- `notifications`
- `storage`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/custom-characters)