# CyberPost Lab

> A fully offline, browser-based HTTP request testing tool for cybersecurity researchers Dev BY Ghostbyte®

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

## Overview

- **ID:** `cyberpost-lab`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Ghostbyte®
- **Category:** privacy-security,search-tools
- **Daily users:** 3
- **Rating:** 5.00 / 5 (2 ratings)
- **Version:** 1.0.0
- **Last updated:** 2025-06-28
- **First published:** 2025-06-25
- **Size:** 141 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/cyberpost-lab/)
- **Website:** [https://www.byt.lol/](https://www.byt.lol/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/cyberpost-lab/privacy/](https://addons.mozilla.org/firefox/addon/cyberpost-lab/privacy/)

## Description

CyberPost Lab - Comprehensive Web Testing Tool for Security Researchers

Brief Description
CyberPost Lab is a specialized Chrome extension that enables security researchers, penetration testers, and information security specialists to conduct comprehensive web tests completely offline. The tool combines an advanced payload generator, encoding/decoding utilities, and an integrated HTTP request laboratory, all within a modern, user-friendly interface.

Key Features
 Integrated HTTP Request Laboratory
- Send and receive HTTP/HTTPS requests using any method (GET, POST, PUT, DELETE, and more)
- Full support for custom parameters and headers
- View responses in formatted JSON, raw text, or HTML preview
- Create mock requests for testing without an internet connection
- Automatic session persistence between browser sessions

Encoding and Decoding Tools
- Easily encode and decode Base64
- URL encoding and decoding
- HTML entity conversion and reversal
- JWT decoding with structured content display

Specialized Payload Generator
A comprehensive collection of ready-to-use test payloads for immediate security testing:
- XSS (Cross-Site Scripting)
- SQL Injection
- Command Injection
- LFI (Local File Inclusion)
- SSRF (Server-Side Request Forgery)
- RCE (Remote Code Execution)
- SSTI (Server-Side Template Injection)
- XXE (XML External Entity)
- CRLF Injection
- JSON Injection
- Host Header Injection
- Windows LFI

Who Is This Tool For ?
CyberPost Lab targets professionals in the cybersecurity field, including:
- Ethical hackers and security researchers
- Web developers concerned with application security
- Information security students and practitioners
- Security incident response teams

Additional Features
- Modern user interface inspired by professional cybersecurity tools
- Smooth and responsive user experience
- Works completely offline without requiring an internet connection
- Maintains data privacy - all operations occur locally on your device
- Compatible with the latest versions of Chrome browser

Developed by the Ghostbyte® Team
Created by a team specialized in information security with a focus on providing practical tools for security professionals.

CyberPost Lab - Your Essential Web Security Testing Toolkit.
have fun

## Rankings

- #51,806 — Overall
- #115 — post

## Permissions and access

### Permissions

- `storage`
- `clipboardRead`
- `clipboardWrite`

### Host permissions

- `<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/cyberpost-lab)