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EAR file: what it is and how to open it

Java archive. Here is what a .ear file contains, how to open one on any device, and a viewer that opens it right in your browser.

Open a .ear file hereChoose fileRead in your browser. Nothing is uploaded.

What the viewer shows

  • Whether the file matches the .ear signature
  • The first bytes as hex
  • A preview when your browser can display it

What is a .ear file?

A .ear file is a java archive. Its registered MIME type is application/java-archive, which places it in the application or document family of formats.

Technically it is a specialised form of application/zip (the .zip format), so tools that understand that format can often read at least part of it.

EAR is a binary format: the contents are not readable text, so opening it in a text editor shows scrambled characters.

The same format is also saved with the extensions .jar, .war.

EAR file format details

Extension.ear
FormatJava archive
MIME typeapplication/java-archive
CategoryApplication or document
Text or binaryBinary
Based onapplication/zip
File signatureNone fixed
Registered with IANAYes
Other extensions.jar, .war

How to open EAR files

WindowsEAR files (Java archive) are made by specific software. The reliable way to open one is with the program that created it; a generic viewer will only show raw data.
MacThe same applies on a Mac: look for a Mac version of the program that makes EAR files.
iPhone and iPadPhones rarely open this type of file directly. The viewer above can show what is inside it without installing anything.
AndroidThe same applies on Android. The viewer above shows the first bytes of the file so you can confirm what it is.

Can you convert a .ear file?

TapToConvert does not convert EAR files. The usual route is to open the file in the program that made it and use its Export or Save as option.

EAR file FAQ

What is a .ear file?

A .ear file is a java archive, with the MIME type application/java-archive.

How do I open a .ear file?

With the program that created it. The viewer on this page shows what is inside without installing anything.

Is a .ear file safe to open?

EAR files hold data rather than programs, but any file from an unknown source can be crafted to exploit the software that opens it. Keep that software up to date. The viewer on this page only reads the bytes and never runs anything.

What is the MIME type of .ear?

application/java-archive. Web servers send this type so browsers know how to handle the file.

Is EAR a text or binary format?

Binary. Its contents are not readable as text.

File type facts come from the IANA media type registry, the mime-db project and the freedesktop.org shared MIME database.

Similar file types

Try MP4 to MP3, HEIC, merge PDF or compress video.