Contact Us
Have a question, found a bug, or want to suggest a feature? We'd love to hear from you. We typically respond within 24 hours.
Feature Requests
Suggest new tools or improvements to existing calculators and converters.
support@nextool.devCommon Questions
Are the tools really free?
Yes! Over 110 tools including all calculators and converters are completely free. Premium AI tools require a subscription starting at $9/month.
How do I cancel my subscription?
Go to Settings → Manage Subscription to access the billing portal where you can cancel anytime.
Is my data safe?
All free tools run entirely in your browser. No data is sent to our servers. Your calculations, text, and conversions never leave your device.
Can I request a new tool?
Absolutely! Email us at support@nextool.dev with your suggestion. We add new tools regularly based on user requests.