# UI Previewer Button

> Adds a preview button to a GitHub PR allowing you to preview and QA code before it is merged.

Canonical page: [https://chrome-stats.com/d/ui-previewer-button](https://chrome-stats.com/d/ui-previewer-button)

## Overview

- **ID:** `ui-previewer-button`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Jakub Hampl
- **Category:** web-development
- **Version:** 0.3.1resigned1
- **Last updated:** 2024-04-25
- **First published:** 2016-01-29
- **Size:** 57 KB
- **Data as of:** 2026-09-05
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/ui-previewer-button/)
- **Website:** [http://rightscale.github.io/ui-previewer-button/](http://rightscale.github.io/ui-previewer-button/)

## Description

UI Previewer Button is a browser add-on that adds UI to quickly jump to related resources of a PR, such as commit sha, commit status, or branch name. It allows you to preview and QA UI and style changes, as well as changes to documentation of API repos.

## Rankings

- #137,584 — Overall

## Permissions and access

### Permissions

- `https://github.com/*`
- `https://*.github.com/*`
- `contextMenus`

## Safety

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

### Analysis details

- Request access to the following domains: github.com
- This extension website URL may be invalid

> 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/ui-previewer-button)