# ISBN Converter

> ISBN Converter Tool for use with Integrated Library Systems in web environments

Canonical page: [https://chrome-stats.com/d/isbn-converter](https://chrome-stats.com/d/isbn-converter)

## Overview

- **ID:** `isbn-converter`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Hector Castro
- **Category:** other
- **Daily users:** 7
- **Rating:** 5.00 / 5 (5 ratings)
- **Version:** 1.0
- **Last updated:** 2019-10-12
- **First published:** 2019-10-11
- **Size:** 14 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/isbn-converter/)
- **Website:** [https://github.com/hecaxmmx/ISBNConverter/issues](https://github.com/hecaxmmx/ISBNConverter/issues)

## Description

ISBN Converter is a Firefox add-on that allows users to convert between ISBN 10-digit or 13-digit used by Library of Congress and the Preassigned Control Number Program. The tool is designed to be used with Integrated Library Systems in web environments and aims to provide a solid solution for ISBN conversion, particularly suitable for web-based free and open-source ILS such as Koha.

## Rankings

- #37,460 — Overall
- #146 — environment
- #163 — convert

## Permissions and access

### Permissions

- `activeTab`
- `notifications`

## Safety

- **Risk impact:** Low risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Enables sending notifications which can be spammed but have minimal direct security impact.
- 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/isbn-converter)