downloads

Enables extensions to interact with the browser's download manager. You can use this API module to download files, cancel, pause, resume downloads, and show downloaded files in the file manager.

To use this API you need to have the "downloads" API permission specified in your manifest.json file.

Types

downloads.FilenameConflictAction: Defines options for what to do if the name of a downloaded file conflicts with an existing file.
downloads.InterruptReason: Defines a set of possible reasons why a download was interrupted.
downloads.DangerType: Defines a set of common warnings of possible dangers associated with downloadable files.
downloads.State: Defines different states that a current download can be in.
downloads.DownloadItem: Represents a downloaded file.
downloads.StringDelta: Represents the difference between two strings.
downloads.DoubleDelta: Represents the difference between two doubles.
downloads.BooleanDelta: Represents the difference between two booleans.
downloads.DownloadTime: Represents the time a download took to complete.
downloads.DownloadQuery: Defines a set of parameters that can be used to search the downloads manager for a specific set of downloads.

Functions

downloads.download(): Downloads a file, given its URL and other optional preferences.
downloads.search(): Queries the DownloadItems available in the browser's downloads manager, and returns those that match the specified search criteria.
downloads.pause(): Pauses a download.
downloads.resume(): Resumes a paused download.
downloads.cancel(): Cancels a download.
downloads.getFileIcon(): Retrieves an icon for the specified download.
downloads.open(): Opens the downloaded file with its associated application.
downloads.show(): Opens the platform's file manager application to show the downloaded file in its containing folder.
downloads.showDefaultFolder(): Opens the platform's file manager application to show the default downloads folder.
downloads.erase(): Erases matching DownloadItems from the browser's download history, without deleting the downloaded files from disk.
downloads.removeFile(): Removes a downloaded file from disk, but not from the browser's download history.
downloads.acceptDanger(): Prompts the user to accept or cancel a dangerous download.
downloads.setShelfEnabled(): Enables or disables the gray shelf at the bottom of every window associated with the current browser profile. The shelf will be disabled as long as at least one extension has disabled it.

Events

downloads.onCreated: Fires with the DownloadItem object when a download begins.
downloads.onErased: Fires with the downloadId when a download is erased from history.
downloads.onChanged: When any of a DownloadItem's properties except bytesReceived changes, this event fires with the downloadId and an object containing the properties that changed.

desktop mobile
Chrome
Edge
Firefox
Opera
Safari
Firefox for Android
Safari on iOS
downloads
BooleanDelta
DangerType
DoubleDelta
DownloadQuery
DownloadQuery.bytesReceived
DownloadQuery.cookieStoreId
DownloadQuery.danger
DownloadQuery.endTime
DownloadQuery.endedAfter
DownloadQuery.endedBefore
DownloadQuery.error
DownloadQuery.exists
DownloadQuery.fileSize
DownloadQuery.filename
DownloadQuery.filenameRegex
DownloadQuery.id
DownloadQuery.limit
DownloadQuery.mime
DownloadQuery.orderBy
DownloadQuery.paused
DownloadQuery.query
DownloadQuery.startTime
DownloadQuery.startedAfter
DownloadQuery.startedBefore
DownloadQuery.state
DownloadQuery.totalBytes
DownloadQuery.totalBytesGreater
DownloadQuery.totalBytesLess
DownloadQuery.url
DownloadQuery.urlRegex
DownloadTime
FilenameConflictAction
FilenameConflictAction.prompt
InterruptReason
State
StringDelta
acceptDanger
cancel
download
download.allowHttpErrors
download.body
download.conflictAction
download.cookieStoreId
download.filename
download.headers
download.incognito
download.method
download.saveAs
erase
getFileIcon
onChanged
onCreated
onErased
open
pause
removeFile
resume
search
setShelfEnabled
show
showDefaultFolder

Example extensions

latest-download

Note: This API is based on Chromium's chrome.downloads API.

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Firefox for Android	Safari on iOS
`downloads`
`BooleanDelta`
`DangerType`
`DoubleDelta`
`DownloadQuery`
`DownloadQuery.bytesReceived`
`DownloadQuery.cookieStoreId`
`DownloadQuery.danger`
`DownloadQuery.endTime`
`DownloadQuery.endedAfter`
`DownloadQuery.endedBefore`
`DownloadQuery.error`
`DownloadQuery.exists`
`DownloadQuery.fileSize`
`DownloadQuery.filename`
`DownloadQuery.filenameRegex`
`DownloadQuery.id`
`DownloadQuery.limit`
`DownloadQuery.mime`
`DownloadQuery.orderBy`
`DownloadQuery.paused`
`DownloadQuery.query`
`DownloadQuery.startTime`
`DownloadQuery.startedAfter`
`DownloadQuery.startedBefore`
`DownloadQuery.state`
`DownloadQuery.totalBytes`
`DownloadQuery.totalBytesGreater`
`DownloadQuery.totalBytesLess`
`DownloadQuery.url`
`DownloadQuery.urlRegex`
`DownloadTime`
`FilenameConflictAction`
`FilenameConflictAction.prompt`
`InterruptReason`
`State`
`StringDelta`
`acceptDanger`
`cancel`
`download`
`download.allowHttpErrors`
`download.body`
`download.conflictAction`
`download.cookieStoreId`
`download.filename`
`download.headers`
`download.incognito`
`download.method`
`download.saveAs`
`erase`
`getFileIcon`
`onChanged`
`onCreated`
`onErased`
`open`
`pause`
`removeFile`
`resume`
`search`
`setShelfEnabled`
`show`
`showDefaultFolder`

Types

Functions

Events

Browser compatibility

Example extensions