Welcome to Online Protractor - your free, web-based solution for precise angle measurement. We're dedicated to making angle measurement accessible, accurate, and hassle-free for everyone.
At Online Protractor, we believe that powerful tools should be accessible to everyone. Our mission is to provide a simple, intuitive, and professional-grade angle measurement tool that eliminates the need for physical protractors and expensive software. Whether you're a student working on geometry homework, a teacher preparing lesson materials, a designer creating precise layouts, or a DIY enthusiast working on home projects, we're here to make your angle measurement tasks easier and more efficient.
Our online protractor is a completely free web-based tool that requires no installation, no registration, and no complicated setup. Simply open our website in your browser on any device - desktop, laptop, tablet, or smartphone - and start measuring angles immediately. We've designed our tool with user experience as the top priority, ensuring that anyone can use it regardless of their technical expertise.
Access our tool directly through your web browser. No downloads, no plugins, no updates to worry about. Always available whenever and wherever you need it.
Our responsive design ensures a seamless experience across all devices - from large desktop monitors to mobile phone screens. Measure angles at your desk or on the go.
Measure multiple angles on the same image or screen. Each measurement is automatically color-coded for easy identification and organization.
All measurement points can be easily adjusted by dragging. Modify your angles with precision and see real-time updates of angle values and line segment lengths.
Download your measurements as images for reports, presentations, or sharing with colleagues and classmates.
Perfect for geometry, trigonometry, physics, and engineering courses. Teachers can use it for interactive demonstrations, while students benefit from precise measurement capabilities for homework and projects.
Ideal for checking angles in designs, floor plans, and technical drawings. Ensure precision in your creative and professional work.
Whether you're woodworking, crafting, or working on home improvement projects, accurate angle measurements are just a click away.
Quick angle verification for technical drawings, blueprints, and mechanical designs without the need for specialized software.
We are committed to continuously improving our tool based on user feedback and technological advancements. Our goal is to maintain a fast, reliable, and user-friendly platform that meets the evolving needs of our diverse user community.
Privacy and accessibility are at the core of our values. We don't require any personal information to use our tool, and we're dedicated to keeping it free and accessible to everyone who needs it.
Ready to measure angles with precision? Simply upload an image or start measuring on a blank canvas. Our intuitive interface guides you through the process - just click three points to define your angle, and you're done!
Thank you for choosing Online Protractor. We're honored to be part of your projects, studies, and creative endeavors.
Have questions, suggestions, or feedback? We'd love to hear from you. Your input helps us make Online Protractor better for everyone.