# Post Request Sniffer

> exposes post requests , e.g. to https://postpen.requestcatcher.com Warning: Use this with care. Your login Data can get exposed to the internet. https://github.com/Jochnickel/mozilla\_postpen/tree/sniffer

Canonical page: [https://chrome-stats.com/d/post-request-sniffer](https://chrome-stats.com/d/post-request-sniffer)

## Overview

- **ID:** `post-request-sniffer`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Jochnickel
- **Category:** web-development,privacy-security
- **Daily users:** 10
- **Weekly downloads:** 1
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.4
- **Last updated:** 2020-02-13
- **First published:** 2020-02-12
- **Size:** 10.00 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/post-request-sniffer/)
- **Website:** [https://github.com/Jochnickel/mozilla\_postpen/tree/sniffer](https://github.com/Jochnickel/mozilla_postpen/tree/sniffer)

## Description

Post Request Sniffer is a Firefox add-on that exposes post requests and allows for monitoring and capturing of HTTP data. Use with caution as login data can be exposed to the internet.

## Rankings

- #33,012 — Overall
- #29 — request
- #39 — post

## Permissions and access

### Permissions

- `storage`
- `webRequest`
- `webRequestBlocking`
- `<all_urls>`

### Content script matches

- `*`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Low 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/post-request-sniffer)