Community Driven • Tool Requests

Have an Idea or Need a Tool? Let's Build It

We build and publish new web calculators, diagnostics, and developer utilities weekly based on community feedback. Send us your ideas, bug reports, or feature requests!

Send a Tool Request or Message

Fill out the form below. We review every submission and reply within 24 hours.

Direct Contact

Engineering Support & Inquiries

Prefer direct email? Reach out to our engineering team directly at:

notify.vinayak@gmail.com
Typical response time: Under 24 hours

Frequently Asked Questions

Are all 99tools utilities completely free?

Yes! 100% free with no hidden charges, paywalls, or usage limits for both personal and commercial tasks.

How fast are new tools published?

Popular community requests are designed, built client-side, and deployed within 3 to 7 business days.

Is my data secure?

All calculations and conversions execute client-side inside your browser. We never log or store your sensitive inputs.