# Cooking Content in Unreal Engine source: https://dev.epicgames.com/documentation/en-us/unreal-engine/cooking-content-in-unreal-engine?application_version=5.8 version: Unreal Engine 5.8 Documentation fetched: 2026-10-11（curl 抓取页面文本，去掉 HTML；原文全文，供 wiki 页面引用） --- Cooking Content in Unreal Engine | Unreal Engine 5.8 Documentation | Epic Developer Community Table of Contents Developer Content Cooking Content Cooking Generating platform-specific content for assets used in the game. On this page Unreal Engine stores content assets in particular formats which it uses internally, such as PNG for texture data or WAV for audio. However, this content needs to be converted to different formats for the various platforms, either because the platform uses a proprietary format, does not support the format Unreal uses to store the asset, or a more memory- or performance-effective format exists. The process of converting content from the internal format to the platform-specific format is referred to as cooking . Cooking Content from the Command Line To cook data for your game, you need to use the Cook commandlet. The basic cook is performed using the following: UnrealEditor.exe -run=cook -targetplatform=+ [-cookonthefly] [-map=+] Copy full snippet UnrealEditor.exe -run=cook -targetplatform=+ [-cookonthefly] [-map=+] Or UnrealEditor-Cmd.exe -run=cook -targetplatform=+ [-cookonthefly] [-map=+] Copy full snippet UnrealEditor-Cmd.exe -run=cook -targetplatform=+ [-cookonthefly] [-map=+] The commandlet must be specified via -run=cook and a platform to cook must also be specified. This will generate cooked data for the platform specified and saved it to the location below: /Saved/Sandboxes/Cooked- Copy full snippet /Saved/Sandboxes/Cooked- Options Option Description -targetplatform=+ Specifies the platform(s) to be cooked. The list of available platforms are WindowsNoEditor, WindowsServer, LinuxServer, IOS, and Android. -iterate Specifies the cooker only cook items that are out of date. Without this option, the sandbox directory is deleted and everything is recooked. -Map=++... Specifies the map(s) to build. -cookonthefly Specifies that the cooker be started in server mode. This will launch a server which waits for a game to connect and then serves the cooked data as needed. When this option is used, the game requires -filehostip= specified on its command line so it can connect with the server. -MapIniSection= Specifies a section from the ini files which contains map names. The cooker will cook all maps specified in the section specified. -UnVersioned Saves all of the cooked packages without versions. These are then assumed to be the current version on load. -cookall Cooks everything. -Compressed Tells the cooker to compress the cooked packages. -MAPSONLY Cooks only maps. -NODEV Excludes dev content. -NoGameAlwaysCook Don't include packages specified by the game in the cook. This cook will probably be missing content unless you are certain of what you are doing. -NoDefaultMaps Don't include default maps. This cook will probably be missing content unless you are certain of what you are doing. -CookSkipRequests Don't include packages loaded by engine startup. This cook will probably be missing content unless you are certain of what you are doing. -SkipSoftReferences Don't follow soft references when cooking. Usually not viable for a real cook and the results probably won't load correctly, but can be useful for debugging. -SkipHardReferences Don't follow hard references when cooking. Not viable for a real cook, only useful for debugging. -CookAgainstFixedBase If cooking DLC, assume the base content can't be modified. -DlcLoadMainAssetRegistry If cooking DLC, populate the main game asset registry. -DlcReevaluateUncookedAssets If cooking DLC, ignore uncooked assets in the base asset registry that are not cooked, so that this cook has an opportunity to cook the assets. -RunAssetValidation Run asset validation ( EditorValidatorSubsystem ) on assets loaded during cook. -RunMapValidation Run map validation ( MapCheck ) on maps loaded during cook. -ValidationErrorsAreFatal Consider validation errors (from EditorValidatorSubsystem or MapCheck ) as fatal, preventing the package from being cooked. -EDITOROPTIONAL Produce editor optional package output when cooking. -MANIFESTS Generate manifests for building streaming install packages. -SKIPEDITORCONTENT Do not save out any packages in Engine/Content/Editor. -ERRORONENGINECONTENTUSE Generates an error if the cook accesses engine content (useful for DLC). -cooksinglepackagenorefs Only cook packages specified on commandline options (for debugging). -cooksinglepackage A modification to bCookSinglePackage - cook transitive hard references in addition to the packages on the commandline. -verbosecookerwarnings Output additional verbose cooking warnings. -Partialgc Only clean up objects which are not in use by the cooker during gc (false will enable full gc). -IgnoreIniSettingsOutOfDate Ignore ini settings out of date. Ask questions and help your peers Developer Forums Write your own tutorials or read those from others Learning Library On this page Cooking Content from the Command Line Options