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THE OPEN TOOLKIT / 1 TOOLS
Free Domain & Network Security Tools
Discover names in public certificate records. Passive lookups show their sources, timestamps, and coverage limits without scanning a target.
Free to use. No account. Passive online discovery.
THE TOOLKIT
Find the right check.
Search by task, technology, or file format.
Every tool explains its limits. Local reviews stay on your device; online lookups and optional AI explain what is sent.
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All tools
The full toolkit. No signup.
Free security toolsSupply chain
Dependencies, lockfiles, software inventories, package registries, and artifact integrity.
Supply chainCI and build security
GitHub Actions workflows and Dockerfiles.
CI and build securityApplication security
JavaScript, browser extensions, tokens, response headers, and URLs.
Application securityAI and agent security
Review the instructions and capabilities you give an AI agent.
AI and agent security