CONTACT MUSTTOOLS.
Have a tool request, discovered an edge-case bug, or want to report a security finding? Reach out directly to our engineering team. We prioritize developer feedback and rapid triage.
Email Support
Inquiries, partnerships, feedback, and questions regarding tool algorithms and operation.
Bug Reports
Encountered unexpected behavior, incorrect conversion, or browser compatibility problems? Include your browser version and input test case.
Security Reports
Report potential vulnerabilities, Content Security Policy concerns, or client-side isolation bugs for expedited technical review.
Building the Tools You Need Most
MustTools is continually expanding its suite of 100+ utilities. If there is a calculation routine, image filter, regex formatter, or cryptographic converter that you find yourself needing repeatedly, send us the specification. If it can be executed securely in a client-side browser sandbox, we will evaluate it for inclusion.
Frequently Asked Questions
Can I request custom enterprise features?
Yes. If your organization requires offline-packaged utilities, specific actuarial models, or customized internal deployment builds, contact us with your technical parameters.
Where are your headquarters located?
MustTools is maintained by a distributed team of systems engineers and open-source contributors operating across North America, Europe, and Asia.