# Hyperapp Debug Dev Tools

> Time-travel debugger for Hyperapp V2

Canonical page: [https://chrome-stats.com/d/hyperapp-debug-dev-tools](https://chrome-stats.com/d/hyperapp-debug-dev-tools)

## Overview

- **ID:** `hyperapp-debug-dev-tools`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Alex Barry
- **Category:** web-development
- **Version:** 0.0.4
- **Last updated:** 2019-11-16
- **First published:** 2019-09-25
- **Size:** 30 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/hyperapp-debug-dev-tools/)
- **Website:** [http://mrbarry.com](http://mrbarry.com/)

## Description

Hyperapp Debug Dev Tools is a Firefox add-on that provides a time-travel debugger for Hyperapp V2. It allows you to watch real-time app updates, debug your app by time-travelling to different states, and inspect your state and dispatch data.

## Rankings

- #137,555 — Overall

## Permissions and access

### Permissions

- `activeTab`
- `<all_urls>`

### 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/hyperapp-debug-dev-tools)