# LicenseDB License Diff

> Compares and diffs selected text using AboutCode's ScanCode LicenseDB license list and SPDX License List.

Canonical page: [https://chrome-stats.com/d/licensedb-license-diff](https://chrome-stats.com/d/licensedb-license-diff)

## Overview

- **ID:** `licensedb-license-diff`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** capfei
- **Category:** other
- **Version:** 0.0.9
- **Last updated:** 2026-05-10
- **First published:** 2026-05-07
- **Size:** 106 KB
- **Data as of:** 2026-09-11
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/licensedb-license-diff/)
- **Website:** [https://github.com/capfei/licensedb-diff](https://github.com/capfei/licensedb-diff)

## Description

The LicenseDB License Diff browser extension diffs selected text to find the closest license or exception text matches against AboutCode's ScanCode LicenseDB list and the SPDX License List. These lists include identifiers, license text and exception text from AboutCode, SPDX and OSI.

This is not an official extension.

## Rankings

- #144,206 — Overall
- #15 — license

## Permissions and access

### Permissions

- `activeTab`
- `scripting`
- `tabs`
- `storage`
- `alarms`

### Host permissions

- `https://scancode-licensedb.aboutcode.org/*`
- `https://spdx.org/*`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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).

## Similar extensions and apps

- [SPDX License Diff](https://chrome-stats.com/d/spdx-license-diff) — 18 users, 5.00 / 5
- [Diff Viewer](https://chrome-stats.com/d/diff-viewer) — 29 users
- [Version Control Diff Viewer](https://chrome-stats.com/d/version-control-diff-viewer)
- [Word Length Difference Addon](https://chrome-stats.com/d/word-length-difference-addon)
- [Diff Viewer](https://chrome-stats.com/d/diffviewer) — 5 users
- [Diff Compare](https://chrome-stats.com/d/diff-compare) — 5 users
- [Diff Viewer](https://chrome-stats.com/d/diff_viewer) — 5 users
- [GitHub License Insights](https://chrome-stats.com/d/github-license-insights) — 2 users, 5.00 / 5
- [Diff Comparer](https://chrome-stats.com/d/diff-comparer) — 1 users
- [Compare Text](https://chrome-stats.com/d/compare-text) — 18 users
- [SQL Diff Viewer by Patilweb](https://chrome-stats.com/d/sql-diff-viewer-by-patilweb) — 10 users
- [Version Diff Checker Pro](https://chrome-stats.com/d/version-diff-checker-pro)

---

Source: [Chrome-Stats](https://chrome-stats.com/d/licensedb-license-diff)