> ## Documentation Index
> Fetch the complete documentation index at: https://cloudinary.com/documentation/llms.txt
> Use this file to discover all available pages before exploring further.

# Asset management troubleshooting and tips


This section provides troubleshooting guidance and useful tips related to asset management.

These topics answer questions that are commonly asked by actual Cloudinary customers.

{table:class=no-borders overview} Page|Description
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[Why has an asset's public ID changed?](ts_why_has_the_public_id_of_my_asset_changed) | Explains the common reasons why an asset's public ID might change and best practices for managing these changes.
[How can I check the resource type and delivery type of an asset?](ts_how_to_view_resource_type_and_delivery_type) | Learn how to verify the resource type and delivery type of uploaded assets by examining the delivery URL or checking the Console.
[How can I get the size or dimensions of an asset by its public ID?](ts_how_can_i_get_the_size_or_dimensions_of_an_image_by_its_public_id) | Learn multiple methods to retrieve image and video dimensions, including via API responses, Admin API queries, and the Console UI.
[How can I download my account's assets?](ts_how_can_i_download_my_accounts_assets) | Learn about the different methods to download assets from your Cloudinary account, including using the API, CLI, backups, ZIP archives, or the Media Library UI.
[How can I delete or modify the original image uploaded?](ts_dam_how_can_i_delete_or_modify_the_original_image_uploaded) | Learn how to delete original assets and their derived versions, or modify original images using incoming transformations.
[Does Cloudinary store any cookies?](ts_does_cloudinary_store_any_cookies) | Explains Cloudinary's cookie usage policy and how Cloudinary handles cookies in asset delivery requests.
[When might underscores in public IDs or folder names cause errors?](ts_why_shouldnt_i_use_underscore_within_folder_names) | Learn why underscores in the first few letters of a public ID containing slashes or in a folder name (in fixed-folder mode) can cause ambiguity and broken URLs, and best practices to prevent these issues.