Overview
Inspect HTTP headers, security signals, and detected web technologies for the active tab.
DeeCon helps you inspect the current tab’s HTTP request and response headers in a clean, readable popup. It is useful for developers, security learners, bug bounty researchers, and QA testers who want quick visibility into how a website responds. Features: View request and response headers for the active tab Analyze common security headers such as CSP, HSTS, X-Frame-Options, X-Content-Type-Options, and Referrer-Policy See a simple security score based on detected headers Detect common web technologies, libraries, frameworks, CMS platforms, analytics tools, CDNs, and servers Identify possible header-based issues such as missing security headers, server version disclosure, weak cookie flags, and CORS misconfiguration hints Search through captured headers and findings Copy individual headers or all headers Export a PDF report Light and dark theme support DeeCon processes inspected data locally in your browser. It does not send captured headers or page technology signals to an external server.
Details
- Version1.0.6
- UpdatedMay 29, 2026
- Size274KiB
- LanguagesEnglish
- Developer
Email
kundaliyadhruvil2010@gmail.com - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
DeeCon has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.
DeeCon handles the following:
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
