Mbgl-offline

The tool functions by acting as a headless map client. You provide it with a set of parameters, and it "crawls" the requested map region to pull down every required asset.

Now, go forth and build offline maps that never fail. mbgl-offline

Vector tiles are small, but high-definition maps of large areas can add up. If your user base frequently revisits the same metropolitan area, forcing them to re-download that data every time they open the app is a waste of their data plan. Offline downloads are a "download once, use forever" solution. The tool functions by acting as a headless map client