---
description: Download and unzip YOLO pretrained models. Ultralytics YOLO docs utils.downloads.unzip_file, checks disk space, downloads and attempts assets.
---

# is_url
---
:::ultralytics.yolo.utils.downloads.is_url
<br><br>

# unzip_file
---
:::ultralytics.yolo.utils.downloads.unzip_file
<br><br>

# check_disk_space
---
:::ultralytics.yolo.utils.downloads.check_disk_space
<br><br>

# safe_download
---
:::ultralytics.yolo.utils.downloads.safe_download
<br><br>

# attempt_download_asset
---
:::ultralytics.yolo.utils.downloads.attempt_download_asset
<br><br>

# download
---
:::ultralytics.yolo.utils.downloads.download
<br><br>