Support & Feedback
How Can We Help You?
Have an angle measurement feature request, spotted a bug, or want to use My Online Protractor in your school or workshop? We'd love to hear from you.
Response Turnaround
Our team monitors messages daily:
Usually within 24–48 hours
Frequently Asked Questions
Do I need an account to use the protractor?
No! My Online Protractor is 100% free with no registration, no account creation, and zero paywalls.
Why isn't my camera opening?
Make sure you grant camera permission in your browser URL bar. Browsers also require secure HTTPS connections to stream local video.
Can I embed or use this in my classroom?
Yes, educators are encouraged to use and project My Online Protractor for teaching geometry, trigonometry, and physics.
Are my uploaded images kept confidential?
Yes, 100%. All images, blueprints, and photos are processed strictly inside your device's browser memory.