Aria2 Slow Download [better] May 2026

Divide the file into segments to download simultaneously. Command: aria2c -s 16 [URL] 2. Lower the Minimum Split Size

By default, aria2 uses only one connection per server. On a capped or distant server, this leads to very slow speeds. You can force multiple connections to "shatter" the speed cap. aria2 slow download

Increase the maximum connections to a single server. Command: aria2c -x 16 [URL] Divide the file into segments to download simultaneously

Note: The default cap is 16; anything higher usually requires recompiling the source code. On a capped or distant server, this leads

Even if you set -s 16 , aria2 won't split a file if it's too small based on the default min-split-size (usually 20MB). If you are downloading a 10MB file, it will only use one connection regardless of your settings. Reduce the split threshold to 1MB. Command: aria2c -s 16 -x 16 -k 1M [URL] 3. Check for Server Throttling & User-Agents

If your downloads are crawling, you’re likely running on default settings that don't take full advantage of its multi-threaded capabilities. While aria2 is a powerful utility, its "out-of-the-box" configuration is often conservative to avoid being blocked by servers. 1. Increase Parallel Connections