Fast, accessible, and privacy-friendly online utilities built to solve everyday calculation, text, and data formatting tasks directly in your browser.
Tools by nbsumit (located at tools.nbsumit.com) was created to offer clean, reliable web tools without the aggressive ads, invasive tracking, and bloated interfaces common on legacy tool sites.
Whether you need to compute a quick percentage difference, format a complex JSON payload, convert units between metric and imperial systems, generate QR codes, or deduplicate a text list, our tools provide instant results with zero hassle.
Your tool input is processed locally in your browser and is not sent to our servers. Your text, calculations, and data remain on your device.
Every formula and conversion is built with rigorous edge-case testing, avoiding floating-point inaccuracies and division errors.
Built with modern static web standards. Pages load quickly on both mobile devices and high-resolution desktop screens with zero runtime bloat.
Every tool includes transparent step-by-step formulas, practical examples, and FAQ sections so you can understand the exact logic applied.
Have a question, feedback, or a suggestion for a new utility? Visit our Contact & Feedback page or email us at hello@nbsumit.com.