Practical guides to developer, DevOps and electrical-engineering tasks — written around tools that run entirely in your browser.https://kitboxdev.com/enhttps://kitboxdev.com/blog/developers-devops-utility-guidehttps://kitboxdev.com/blog/developers-devops-utility-guideA step-by-step DevOps workflow built on client-side-only tools — cron parsing, CIDR maths, YAML and .env conversion, JWT debugging and Kubernetes resources.Sat, 22 Aug 2026 00:00:00 GMTdevopsconverternetworkcryptoKitBoxDevhttps://kitboxdev.com/blog/jwt-vs-oauth2-claims-backend-securityhttps://kitboxdev.com/blog/jwt-vs-oauth2-claims-backend-securityOAuth2 is a flow, JWT is a format — and neither one authorises anything. The claims your backend verifies and validates are what actually decide access.Sat, 22 Aug 2026 00:00:00 GMTcryptodecodergeneratorKitBoxDevhttps://kitboxdev.com/blog/privacy-first-manifesto-local-browser-processinghttps://kitboxdev.com/blog/privacy-first-manifesto-local-browser-processingData-egress policy made third-party utility sites a compliance problem. Our answer is architectural — every tool runs in your browser, so credentials never leave the machine.Sat, 22 Aug 2026 00:00:00 GMTcryptodevopsreferenceKitBoxDevhttps://kitboxdev.com/blog/spot-misconfigured-rs256-signaturehttps://kitboxdev.com/blog/spot-misconfigured-rs256-signatureRS256 fails quietly — the happy path verifies while the key, the PEM format or the algorithm allowlist is wrong. Here is how to catch it before it ships.Sat, 22 Aug 2026 00:00:00 GMTcryptodecoderKitBoxDevhttps://kitboxdev.com/blog/verify-ai-generated-cron-and-infrastructurehttps://kitboxdev.com/blog/verify-ai-generated-cron-and-infrastructureAn LLM will hand you a cron expression and a manifest that look right and run wrong. Here is the verification pass that catches them before a scheduler does.Sat, 22 Aug 2026 00:00:00 GMTdevopsconfigreferenceKitBoxDevhttps://kitboxdev.com/blog/kitboxdev-launch-35-browser-toolshttps://kitboxdev.com/blog/kitboxdev-launch-35-browser-toolsWhy we built a tool platform with no backend, no accounts and no uploads — and what 35 finished tools, a 12 KB app shell and WCAG-audited contrast actually took.Tue, 18 Aug 2026 00:00:00 GMTannouncementperformanceaccessibilitydevopsKitBoxDev