# WebDevAuthn

> Debug FIDO2 requests and responses

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

## Overview

- **ID:** `webdevauthn`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** DarkThanos
- **Category:** web-development,privacy-security
- **Daily users:** 60
- **Weekly downloads:** 5
- **Version:** 0.6
- **Last updated:** 2023-02-01
- **First published:** 2023-01-31
- **Size:** 24 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/webdevauthn/)
- **Website:** [https://github.com/GramThanos/WebDevAuthn](https://github.com/GramThanos/WebDevAuthn)

## Description

WebDevAuthn is a Firefox add-on that provides the ability to analyse and debug FIDO2/WebAuthn requests and responses. It offers features such as capturing requests, analysing options, decoding authenticator responses, and simulating a virtual authenticator device for testing implementations. With WebDevAuthn, web developers can easily debug and troubleshoot FIDO2 authentication processes.

## Rankings

- #14,791 — Overall
- #58 — response
- #112 — algorithm
- #125 — debug
- #174 — request
- #216 — author

## Permissions and access

### Permissions

- `storage`

### Host permissions

- `<all_urls>`

### Content script matches

- `*`

## 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/webdevauthn)