DownloadDownloads are usually slow on a Mac because the browser uses a single connection that can't fully use your bandwidth, or because of Wi-Fi interference, a distant server, or background apps hogging bandwidth. The most effective fix for large files is a multi-connection download manager; smaller tweaks help too.
Quick fixes to try first
- 1Move closer to your router or switch to 5 GHz / Ethernet.
- 2Pause other downloads, streaming, and cloud sync that compete for bandwidth.
- 3Try a different download mirror or server if one is offered.
- 4Switch your DNS to a fast resolver and restart your network.
- 5Restart the router and your Mac to clear stale connections.
The real fix for large files
Even on a healthy connection, a single browser download stream often tops out well below your true speed. A download manager opens multiple connections and downloads parts of the file in parallel, which is the single biggest improvement you can make for large downloads.
Download a large file in your browser and note the speed, then download the same file with a multi-connection manager. On distant or throttled servers the difference is often dramatic.
When the server is the bottleneck
Sometimes the server itself is slow or rate-limits each connection. Multi-connection downloading helps here too, because several capped connections combined can exceed the per-connection limit. If a download still crawls everywhere, the source is likely overloaded.
No matter which browser you choose, Myan captures the download for you — with pause, resume, and multi-connection speed. Myan is a free, native download manager for macOS on Apple Silicon.