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cheatsheet-tldr/tldr/aria2c
2025-11-25 00:19:28 +00:00

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---
syntax: markdown
tags: [tldr, common]
source: https://github.com/tldr-pages/tldr.git
---
# aria2c
> Fast download utility.
> Supports HTTP(S), FTP, SFTP, BitTorrent, and Metalink.
> More information: <https://aria2.github.io/manual/en/html/aria2c.html>.
- Download a specific URI to a file:
`aria2c "{{url}}"`
- Download a file from a URI with a specific output name:
`aria2c {{[-o|--out]}} {{path/to/file}} "{{url}}"`
- Download multiple different files in parallel:
`aria2c {{[-Z|--force-sequential]}} {{false}} "{{url1 url2 ...}}"`
- Download the same file from different mirrors and verify the checksum of the downloaded file:
`aria2c --checksum {{sha-256}}={{hash}} {{"url1" "url2" ...}}`
- Download the URIs listed in a file with a specific number of parallel downloads:
`aria2c {{[-i|--input-file]}} {{path/to/file}} {{[-j|--max-concurrent-downloads]}} {{number_of_downloads}}`
- Download with multiple connections:
`aria2c {{[-s|--split]}} {{number_of_connections}} "{{url}}"`
- FTP download with username and password:
`aria2c --ftp-user {{username}} --ftp-passwd {{password}} "{{url}}"`
- Limit download speed in bytes/s:
`aria2c --max-download-limit {{speed}} "{{url}}"`