The ultimate HTTP request laboratory for cybersecurity researchers and developers
- Support for all HTTP methods (GET, POST, PUT, DELETE, etc.)
- Custom headers and parameters
- Raw and form-data request body options
- JSON, XML, and plain text formatting
- Detailed status and timing information
- Syntax-highlighted response viewer
- Headers and cookies inspection
- Response history tracking
- Download CyberPost for Chrome
- Navigate to
chrome://extensions/ - Enable "Developer Mode" in the top-right corner
- Click "Load unpacked" and select the extracted folder
CyberPost available on the Chrome Web Store! https://chromewebstore.google.com/detail/cyberpost-lab/kdogkalclfcnhknehcpghfkjjlcfnhle
- Download CyberPost for Firefox
- Navigate to
about:debugging#/runtime/this-firefox - Click "Load Temporary Add-on..."
- Select the manifest.json file from the extracted folder
CyberPost available on Firefox Add-ons Store! https://addons.mozilla.org/en-US/firefox/addon/cyberpost-lab/
- Official Website: https://www.byt.lol/
- Privacy Policy: https://www.byt.lol/privacy.html
- Use for legal and ethical purposes only
- Do not use for unauthorized access to systems
- User is responsible for compliance with applicable laws
- Do not attempt to reverse engineer or modify the extension
- Licensed for use until December 31, 2030
Join our community of cybersecurity professionals and developers to share tips, report issues, and collaborate on new features.
- Email Support: fbi@asia.com
- Issues & Feature Requests: GitHub Issues
CyberPost is 100% FREE for the cybersecurity community.
If you find this tool helpful, please consider supporting our work through cryptocurrency donations:
💸 DONATE CRYPTOYour support helps us continue development and keep CyberPost free for everyone!
© 2025 Ghostbyte® - All rights reserved
Made with ❤️ for the cybersecurity community


