If the file size is unknown, keep the bar spinning at a constant speed until the data starts flowing.
circle { fill: none; stroke-width: 10; stroke-linecap: round; } .bg { stroke: #e6e6e6; } .meter { stroke: #4caf50; stroke-dasharray: 339.29; /* Circumference for r=54 */ stroke-dashoffset: 339.29; /* Start at 0% */ transition: stroke-dashoffset 0.3s ease; transform: rotate(-90deg); transform-origin: 50% 50%; } Use code with caution. Copied to clipboard Download File Procedural Circular Progress Bar ...
To build this procedurally, you typically use an with two circles stacked on top of each other: The Track: A static, light-gray circle. If the file size is unknown, keep the
You can change colors (e.g., turning red if a download fails) or stroke thickness on the fly. 2. The Logic (The "How-To") You can change colors (e
If you want to drop this into a project right now, here is the cleanest "procedural" method:
A colored circle using the stroke-dasharray and stroke-dashoffset properties. By calculating the circumference (
Since it’s drawn via math/code, it stays crisp on 4K monitors and mobile screens alike.