Opening a BUILD-ID File

The BUILD-ID file type is primarily associated with GNU Binutils.

BUILD-ID	File extension: BUILD-ID
	File type:	Build identification

What is a BUILD-ID file?

BUILD-ID files mostly belong to GNU Binutils. A .BUILD-ID file stores a unique identifier for a particular build of a software program. This identifier, typically a hash of the build's executable and linked libraries, is used for debugging purposes, especially in post-mortem analysis of crashes or errors. It allows developers to precisely match a crash dump or error log to the exact build that produced it, facilitating rapid identification and resolution of the underlying issue. The .BUILD-ID file format is simple, usually containing just the build ID itself, often encoded as a hexadecimal string. This file is commonly embedded within the executable or stored separately in a debugging symbol directory.

How do you open BUILD-ID files?

You need a suitable software like GNU Binutils to open a BUILD-ID file. You need a suitable software like GNU Binutils to open a BUILD-ID file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your BUILD-ID file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a BUILD-ID file directly in the browser:. Just drag the file onto this browser window and drop it.

Online BUILD-ID Text Viewer

Choose your .build-id file to analyze

or drag and drop it here

Online File Viewer

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.BUILD-ID File Won't Open? Here is What You Can Do

BUILD-ID files can originate from various development environments and aren't universally openable.

Identify the Source: If received from a Linux developer or a C/C++ build pipeline, it is likely a Build identification file used for debugging.
Check the Header: Open the file in a hex viewer or text editor to inspect the first bytes.
- 7F 45 4C 46 (ELF): Indicates a compiled Linux binary or associated debug data.
- Hexadecimal strings: Suggests a plain text hash or unique build identifier.
Use the Original Software: The original development environment is usually required to process these files; try GNU Binutils, GDB, or GCC. If uncertain, ask the sender.
Use this Webpage: Drag and drop your file into our viewer to detect the format, extract readable text/metadata, and preview when possible.

Technical Data for BUILD-ID File Extension

File classification:

Debugging

a build-id Build identification is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with BUILD-ID files

Associate the BUILD-ID file extension with the correct application.
Update your software that should actually open build identifications. Because only the current version supports the latest BUILD-ID file format. Search, therefore, e.g. on the manufacturer website after an available GNU Binutils update.
To make sure that your BUILD-ID file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .BUILD-ID file online - secure, fast, and no downloads needed.