File

Baseline Widely available *

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

* Some parts of this feature may have varying levels of support.

See full compatibility

Note: This feature is available in Web Workers.

The File interface provides information about files and allows JavaScript in a web page to access their content.

File objects are generally retrieved from a FileList object returned as a result of a user selecting files using the <input> element, or from a drag and drop operation's DataTransfer object.

A File object is a specific kind of Blob, and can be used in any context that a Blob can. In particular, the following APIs accept both Blobs and File objects:

FileReader
URL.createObjectURL()
Window.createImageBitmap() and WorkerGlobalScope.createImageBitmap()
the body option to fetch()
XMLHttpRequest.send()

See Using files from web applications for more information and examples.

Constructor

File(): Returns a newly constructed File.

Instance properties

The File interface also inherits properties from the Blob interface.

File.lastModified Read only: Returns the last modified time of the file, in millisecond since the UNIX epoch (January 1st, 1970 at Midnight).
File.lastModifiedDate Read only: Returns the last modified Date of the file referenced by the File object.
File.name Read only: Returns the name of the file referenced by the File object.
File.webkitRelativePath Read only: Returns the path the URL of the File is relative to.

Instance methods

The File interface also inherits methods from the Blob interface.

Specifications

Specification
File API # file-section

Browser compatibility

	desktop					mobile							server
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS	Bun	Deno	Node.js
`File`	Chrome – Full support Chrome 13 (Release date: 2011-08-02) footnote Full support	Edge – Full support Edge 12 (Release date: 2015-07-29) footnote Full support	Firefox – No support Firefox 3 – 6 (Release date: 2008-06-17) footnote Non-standard implementation. Firefox – Full support Firefox 7 (Release date: 2011-09-27) footnote Full support	Opera – Full support Opera 11.5 (Release date: 2011-06-28) footnote Full support	Safari – Full support Safari 4 (Release date: 2009-06-08) footnote Full support	Chrome Android – Full support Chrome Android 18 (Release date: 2012-06-27) footnote Full support	Firefox for Android – No support Firefox for Android 4 – 6 (Release date: 2011-03-29) footnote Non-standard implementation. Firefox for Android – Full support Firefox for Android 7 (Release date: 2011-09-27) footnote Full support	Opera Android – Full support Opera Android 11.5 (Release date: 2011-10-12) footnote Full support	Safari on iOS – Full support Safari on iOS 3.2 (Release date: 2010-04-03) footnote Full support	Samsung Internet – Full support Samsung Internet 1 (Release date: 2013-04-27) footnote Full support	WebView Android – Full support WebView Android 4.4 (Release date: 2013-12-09) footnote Full support	WebView on iOS – Full support WebView on iOS 3.2 (Release date: 2010-04-03) footnote Full support	Bun – Full support Bun 1 (Release date: 2023-09-08) footnote Full support	Deno – Full support Deno 1 (Release date: 2020-05-13) footnote Full support	Node.js – Partial support Node.js 18.13 – 18.20 (Release date: 2023-01-06) footnote Removed in 19 and later footnote Partial support footnote Available as a part of the `buffer` module. Node.js – Partial support Node.js 19.2 – 19.9 (Release date: 2022-11-29) footnote Partial support footnote Available as a part of the `buffer` module. Node.js – Full support Node.js 20 (Release date: 2023-04-18) footnote footnote Before 23.0.0, `File` instance cannot be cloned.
`File()` constructor	Chrome – Full support Chrome 38 (Release date: 2014-10-07) footnote Full support	Edge – Full support Edge 79 (Release date: 2020-01-15) footnote Full support	Firefox – Full support Firefox 28 (Release date: 2014-03-18) footnote Full support	Opera – Full support Opera 25 (Release date: 2014-10-15) footnote Full support	Safari – Full support Safari 10.1 (Release date: 2017-03-27) footnote Full support	Chrome Android – Full support Chrome Android 38 (Release date: 2014-10-08) footnote Full support	Firefox for Android – Full support Firefox for Android 28 (Release date: 2014-03-18) footnote Full support	Opera Android – Full support Opera Android 25 (Release date: 2014-10-16) footnote Full support	Safari on iOS – Full support Safari on iOS 10.3 (Release date: 2017-03-27) footnote Full support	Samsung Internet – Full support Samsung Internet 3 (Release date: 2015-04-10) footnote Full support	WebView Android – Full support WebView Android 38 (Release date: 2014-10-08) footnote Full support	WebView on iOS – Full support WebView on iOS 10.3 (Release date: 2017-03-27) footnote Full support	Bun – No support Bun footnote No support	Deno – Full support Deno 1 (Release date: 2020-05-13) footnote Full support	Node.js – No support Node.js 18.13 – 18.20 (Release date: 2023-01-06) footnote Removed in 19 and later Node.js – Full support Node.js 19.2 (Release date: 2022-11-29) footnote Full support
`lastModified`	Chrome – Full support Chrome 13 (Release date: 2011-08-02) footnote Full support	Edge – Full support Edge 18 (Release date: 2018-10-02) footnote Full support	Firefox – Full support Firefox 15 (Release date: 2012-08-28) footnote Full support	Opera – Full support Opera 15 (Release date: 2013-07-02) footnote Full support	Safari – Full support Safari 10 (Release date: 2016-09-20) footnote Full support	Chrome Android – Full support Chrome Android 18 (Release date: 2012-06-27) footnote Full support	Firefox for Android – Full support Firefox for Android 15 (Release date: 2012-08-28) footnote Full support	Opera Android – Full support Opera Android 14 (Release date: 2013-05-21) footnote Full support	Safari on iOS – Full support Safari on iOS 10 (Release date: 2016-09-13) footnote Full support	Samsung Internet – Full support Samsung Internet 1 (Release date: 2013-04-27) footnote Full support	WebView Android – Full support WebView Android 4.4 (Release date: 2013-12-09) footnote Full support	WebView on iOS – Full support WebView on iOS 10 (Release date: 2016-09-13) footnote Full support	Bun – Full support Bun 1 (Release date: 2023-09-08) footnote Full support	Deno – Full support Deno 1 (Release date: 2020-05-13) footnote Full support	Node.js – No support Node.js 18.13 – 18.20 (Release date: 2023-01-06) footnote Removed in 19 and later Node.js – Full support Node.js 19.2 (Release date: 2022-11-29) footnote Full support
`lastModifiedDate` Deprecated Non-standard	Chrome – Full support Chrome 13 (Release date: 2011-08-02) footnote Full support	Edge – Full support Edge 12 (Release date: 2015-07-29) footnote Full support	Firefox – No support Firefox 15 – 60 (Release date: 2012-08-28) footnote Removed in 61 and later	Opera – Full support Opera 15 (Release date: 2013-07-02) footnote Full support	Safari – No support Safari 7 – 9.1 (Release date: 2013-10-22) footnote Removed in 10 and later	Chrome Android – Full support Chrome Android 18 (Release date: 2012-06-27) footnote Full support	Firefox for Android – No support Firefox for Android footnote No support	Opera Android – Full support Opera Android 14 (Release date: 2013-05-21) footnote Full support	Safari on iOS – No support Safari on iOS 7 – 9.3 (Release date: 2013-09-18) footnote Removed in 10 and later	Samsung Internet – Full support Samsung Internet 1 (Release date: 2013-04-27) footnote Full support	WebView Android – Full support WebView Android 4.4 (Release date: 2013-12-09) footnote Full support	WebView on iOS – No support WebView on iOS 7 – 9.3 (Release date: 2013-09-18) footnote Removed in 10 and later	Bun – No support Bun footnote No support	Deno – No support Deno footnote No support	Node.js – No support Node.js footnote No support
`name`	Chrome – Full support Chrome 13 (Release date: 2011-08-02) footnote Full support	Edge – Full support Edge 12 (Release date: 2015-07-29) footnote Full support	Firefox – Full support Firefox 3.6 (Release date: 2010-01-21) footnote Full support	Opera – Full support Opera 15 (Release date: 2013-07-02) footnote Full support	Safari – Full support Safari 8 (Release date: 2014-10-16) footnote Full support	Chrome Android – Full support Chrome Android 18 (Release date: 2012-06-27) footnote Full support	Firefox for Android – Full support Firefox for Android 4 (Release date: 2011-03-29) footnote Full support	Opera Android – Full support Opera Android 14 (Release date: 2013-05-21) footnote Full support	Safari on iOS – Full support Safari on iOS 8 (Release date: 2014-09-17) footnote Full support	Samsung Internet – Full support Samsung Internet 1 (Release date: 2013-04-27) footnote Full support	WebView Android – Full support WebView Android 4.4 (Release date: 2013-12-09) footnote Full support	WebView on iOS – Full support WebView on iOS 8 (Release date: 2014-09-17) footnote Full support	Bun – Full support Bun 1 (Release date: 2023-09-08) footnote Full support	Deno – Full support Deno 1 (Release date: 2020-05-13) footnote Full support	Node.js – No support Node.js 18.13 – 18.20 (Release date: 2023-01-06) footnote Removed in 19 and later Node.js – Full support Node.js 19.2 (Release date: 2022-11-29) footnote Full support
`webkitRelativePath`	Chrome – Full support Chrome 13 (Release date: 2011-08-02) footnote Full support	Edge – Full support Edge 13 (Release date: 2015-11-12) footnote Full support	Firefox – Full support Firefox 50 (Release date: 2016-11-15) footnote Full support	Opera – Full support Opera 15 (Release date: 2013-07-02) footnote Full support	Safari – Full support Safari 11.1 (Release date: 2018-04-12) footnote Full support	Chrome Android – Full support Chrome Android 18 (Release date: 2012-06-27) footnote Full support	Firefox for Android – Partial support Firefox for Android 141 – 141 (Release date: 2025-07-22) footnote Partial support footnote Always an empty string (bug 1973726). Firefox for Android – Full support Firefox for Android 142 (Release date: 2025-08-19) footnote Full support	Opera Android – Full support Opera Android 14 (Release date: 2013-05-21) footnote Full support	Safari on iOS – Full support Safari on iOS 11.3 (Release date: 2018-03-29) footnote Full support	Samsung Internet – Full support Samsung Internet 1 (Release date: 2013-04-27) footnote Full support	WebView Android – Full support WebView Android 4.4 (Release date: 2013-12-09) footnote Full support	WebView on iOS – Full support WebView on iOS 11.3 (Release date: 2018-03-29) footnote Full support	Bun – No support Bun footnote No support	Deno – No support Deno footnote No support	Node.js – No support Node.js footnote No support

Tip: you can click/tap on a cell for more information.

Full support: Full support
Partial support: Partial support
No support: No support
: Non-standard. Check cross-browser support before using.
: Deprecated. Not for use in new websites.
: See implementation notes.
: Has more compatibility info.