Summary: The Feynman Lectures on Physics are now available online for free on the Caltech Division of Physics, Mathematics and Astronomy and The Feynman Lectures Website. The online edition has been designed for ease of reading on any device, and includes all three volumes covering mechanics, radiation, heat, electromagnetism, matter, and quantum mechanics. The website also includes Feynman's Tips on Physics, a problem-solving supplement to the lectures, full HD videos of seven lectures Feynman gave at Cornell in 1964, lecture recordings and photos from 1961-1964, Feynman's notes, and original course handouts from 1961-1963. The HTML5-based edition features LaTeX equations rendered by MathJax JavaScript and scalable vector graphic (SVG) figures. The lecture recordings can also be played in their respective chapters, and links to the photos appear near the title of each chapter. The website was updated in March 2022 with a new presentation featuring