About Angle Finder Tool
Democratizing instant, high-precision geometric measurements for craftsmen, architects, educators, and DIY creators worldwide — free in any web browser.
Instant & Zero Install
No app store downloads or plug-in installations. Access full 360-degree protractors and inclinometers instantly on iOS, Android, Windows, and Mac.
100% Privacy Preserved
Your blueprint photos, X-rays, and live camera feeds are processed strictly in your local browser memory. Zero images or sensor data ever touch external servers.
Sub-Degree Accuracy
Powered by high-precision trigonometric formulas (Law of Cosines, Law of Sines, Pythagorean Theorem) supporting degrees (°), radians, and gradians.
Our Complete Tool Suite
Screen Protractor Core
Interactive 360-degree protractor dial with dual drag handles, manual degree entry, and mobile gyroscope sensor support.
Image Protractor
Upload photos or paste screenshots from your clipboard to position 3-point vertex handles over blueprints, X-rays, or site images.
Camera Feed Overlay
Turn your smartphone or laptop camera into a live AR inclinometer with freeze-frame capture for measuring real-world objects.
Triangle Solver
Solve SSS, SAS, ASA, and Right Triangles with instant calculations for interior angles, side lengths, area, and 2D SVG rendering.
Who Uses This Angle Finder Tool?
From job site slope checks to classroom geometry and blueprint analysis, our web-based tools provide instant geometric precision across every screen.
Carpentry & Construction
Verify roof pitches, miter saw angles, stair rises, and structural slopes right on site using your smartphone's built-in tilt sensor.
Architects & Draftsmen
Upload floor plans, CAD drawings, or site photos to measure line intersections and export annotated high-resolution PNG snapshots.
Teachers & Geometry Students
Explore angle classifications, test radian-to-degree conversions, and solve right or oblique triangles with step-by-step trigonometry formulas.
DIY & Home Decorators
Use camera overlay and freeze-frame mode to align wall art, check shelf alignment, measure trim angles, and inspect home improvement projects.