The most efficient way to "download" or save the image to a disk is to skip image objects entirely and work directly with the binary data. This method is ideal for backend services or console applications.
If you need to display the image in a UI element like a PictureBox before saving, use a MemoryStream to bridge the gap between binary data and an image object. download image from base64 string c#
using SixLabors.ImageSharp; public void SaveWithImageSharp(string base64String, string fileName) { byte[] bytes = Convert.FromBase64String(base64String); using (var image = Image.Load(bytes)) { image.SaveAsPng(fileName); } } Use code with caution. Critical Considerations & Troubleshooting c# - converting a base 64 string to an image and saving it The most efficient way to "download" or save
Depending on your project's needs—whether it's a simple file save or a UI display—there are several ways to handle the conversion. 1. Direct Save to File System using SixLabors