Browser Utility Lab
27 free tools for developers, founders, and marketers.
Dev utilities, SEO tools, and business calculators — every tool runs entirely in your browser. No server calls, no tracking, no account required.
27free tools
0server calls
100%browser
Dev Utilities
Developer tools
Cryptography, encoding, identity, scheduling, and data format converters — all browser-side.
SEO & Content
SEO & content tools
Meta tags, schema markup, sitemaps, robots.txt, and AI prompt structuring — built for technical SEO and launch readiness.
Business Calculators
Business calculators
Build your business case — estimate software costs, calculate automation ROI, and decide whether to build or buy.
Custom software
Need something built, not estimated?
ruxox builds custom web apps, APIs, automation tools, and AI-powered software for growing businesses. Free scoping estimate within 48 hours.