A fully offline, browser-based HTTP request testing tool for cybersecurity researchers
Users
123
+32 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
7
0 in 30 days
Store rank
#78K
#65K among extensions
Version
1.0.0
updated 3 Jul 2025
Users
monthly, 16 months
Latest, 18 Oct 2026:123 usersMove the mouse over the chart for any month
Ratings count
monthly, 16 months
Latest, 18 Oct 2026:7 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About CyberPost Lab
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