# Pretty XML

> Pretty XML is a browser-based XML viewer

Canonical page: [https://chrome-stats.com/d/pretty-xml](https://chrome-stats.com/d/pretty-xml)

## Overview

- **ID:** `pretty-xml`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Emile Fugulin
- **Category:** web-development
- **Daily users:** 3,075
- **Weekly downloads:** 13
- **Rating:** 4.53 / 5 (34 ratings)
- **Version:** 0.1.1resigned1
- **Last updated:** 2024-04-26
- **First published:** 2018-12-03
- **Size:** 61 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/pretty-xml/)
- **Website:** [https://github.com/Sytten/PrettyXML](https://github.com/Sytten/PrettyXML)

## Description

Pretty XML is a powerful browser-based XML viewer designed to enhance your XML browsing experience. As a fork and port of the popular XV extension, it offers features such as collapsible XML elements for easy navigation, an outline view providing a clear document overview, and efficient search capabilities by element name or XPath.

With its quick XPath interactive mode, Pretty XML makes exploring and analyzing XML documents straightforward and efficient directly within your browser. Whether you're a developer or working with XML files regularly, this extension streamlines XML viewing with intuitive controls and enhanced document structure visualization.

## Rankings

- #1,652 — Overall
- #179 — Web Development

## Permissions and access

### Permissions

- `tabs`
- `clipboardWrite`
- `webRequest`
- `webRequestBlocking`
- `storage`
- `http://*/*`
- `https://*/*`

### Content script matches

- `*`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Low 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).

## Review summary

Users praise Pretty XML for its attractive UI and ability to prettify and easily view XML, with many calling it one of Firefox's best XML viewers. However, recurring issues include caching that leaves stale XML on refresh, slow performance on larger files, and some missing configuration options (proxy setup, dark theme). A few users also note duplicate XML requests. Overall, strong positive sentiment with notable feature requests and a request for stability and configurability.

### Pros

- Pretty visuals and polished UI
- Prettifies XML for easy reading and navigation
- Highly regarded as one of the best Firefox XML view plugins
- Convenient and user-friendly to use

### Cons

- XML view caching leads to stale content on refresh
- Not configurable; missing options like automatic proxy configuration
- Slow performance on larger XML documents (2-5MB)
- Duplicate XML requests / the URL being fetched twice

## Similar extensions and apps

- [BetterXML](https://chrome-stats.com/d/betterxml) — 136 users, 5.00 / 5
- [Styled XML Viewer](https://chrome-stats.com/d/styled-xml-viewer) — 140 users, 5.00 / 5
- [XML Viewer Plus](https://chrome-stats.com/d/xml-viewer) — 3,762 users, 3.20 / 5
- [Lumina XML Pro Viewer](https://chrome-stats.com/d/lumina-xml-pro-viewer) — 6 users
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- [JSON + XML Viewer](https://chrome-stats.com/d/json-xml-viewer) — 2 users
- [Pretty Js](https://chrome-stats.com/d/pretty-js)
- [Universal File Viewer](https://chrome-stats.com/d/universal-file-viewer) — 1 users
- [Night XML - dark mode XML viewer](https://chrome-stats.com/d/night-xml-dark-mode-xml-viewer)
- [PrettyJSON](https://chrome-stats.com/d/prettierjson) — 41 users
- [Persistent-Pretty-JSON](https://chrome-stats.com/d/persistent-pretty-json) — 3 users
- [XPath Highlighter](https://chrome-stats.com/d/xpath-highlighter) — 5 users

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