Frequently Asked Questions

No. tools999.com requires zero registration. There are no login walls, no email verification, and no mandatory cookies. Just visit any tool page and start using it immediately.

Currently 20+ tools across four categories: SEO Tools, Calculators, Generators, and Web Tools. We add new tools regularly based on user requests. Check the homepage for the latest.

Yes — by design. All tools run entirely in your web browser using JavaScript. Your inputs — passwords, JSON data, text, URLs, or any other content — are never sent to our servers. We have no technical ability to see, log, or access what you type into any tool. See our Privacy Policy for full details.

Yes. Our password generator uses the browser's native crypto.getRandomValues() API — a cryptographically secure random number generator. Generated passwords are never transmitted, stored, or seen by anyone except you. They exist only in your browser's memory until you close or refresh the tab.

Minimal cookies are used for essential site functionality and anonymous analytics. Advertising partners may set cookies for ad relevance. You can manage cookies through your browser settings. We do not use cookies to track you personally across sessions. Full details in our Privacy Policy.

tools999.com works on all modern browsers: Chrome, Firefox, Safari, Edge, and Opera. Internet Explorer is not supported. We recommend keeping your browser updated to the latest version for the best experience and security.

Yes. tools999.com is fully responsive and optimized for smartphones, tablets, and desktops. All tools are touch-friendly and work in any modern mobile browser.

Our calculators use standard, widely accepted formulas (e.g., the WHO BMI formula, standard loan amortization, India's GST calculation rules). Results are for informational purposes only and should not replace professional medical, financial, or legal advice. Always verify critical calculations with a qualified professional.

Once a tool page has loaded in your browser, most tools will continue to function offline since processing happens client-side. However, some tools (like QR code generator or Open Graph checker) may require connectivity for certain features. The initial page load always requires an internet connection.

Please use our contact form and select Bug Report as the subject. Include the tool name, your browser and version, your operating system, and a description of what went wrong. We typically respond within 1–2 business days.

Absolutely! Visit our Submit a Tool page to share your idea. We review every submission and prioritize tools that would benefit the most users. Many of our current tools were built from user suggestions.

You're welcome to link to any tool on tools999.com. Embedding our tools in iframes on other sites is not currently supported, as it may cause display or functionality issues. If you have a specific use case, contact us to discuss.

Visit our Advertise page for information about reaching our audience of developers, SEO professionals, and creators. We offer display advertising, sponsored content, and tool sponsorships.