CyberKit Offers Free, Open-Source Security Utilities That Run Entirely in Your Browser

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A developer has launched CyberKit, a browser-based security and network utility suite designed to address privacy and performance shortcomings of existing online tools. The platform processes all inputs locally using native browser APIs such as WebCrypto, ensuring no data is transmitted to external servers. CyberKit includes tools for CVSS v4.0 and v3.1 scoring, JWT inspection, Base64 and URL decoding, cryptographic hashing, and CIDR subnet calculation. Built with React, Vite, and Tailwind CSS, the suite uses lazy loading to minimize bundle size and enable fast tool launches. The project is open-source, requires no account or payment, and is live at cyberkit.tools.

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Laravel vs Symfony in 2026: Key Differences Backend Engineers Should Know

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

AI Agents Claimed 10 Verified Successes — Independent Checks Found All 10 Failed

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