FileExamples
.hex

Intel HEX Firmware

A sample Intel HEX firmware file for testing microcontroller flash programming with Arduino, AVR, and STM32 tools.

.hex

Intel HEX Firmware

firmware file · 15 KB

A sample Intel HEX firmware file for testing microcontroller flash programming with Arduino, AVR, and STM32 tools.

Format
HEX
Size
15 KB
MIME
application/octet-stream
Bytes
15,360
Download HEX

File Details

File Name
Intel HEX Firmware.hex
Format
HEX
File Size
15 KB
MIME Type
application/octet-stream
License
Free for testing

About HEX Files

The HEX format is commonly used in the firmware & embedded category. HEX files are supported by a wide range of applications and tools. This sample file is a valid, well-formed example with proper headers and metadata, designed for testing file upload/download functionality, validating parsers and converters, automated testing, and learning about the HEX file format structure. All files on File Examples are free to download without registration.

Common Use Cases for .hex Files

  • Testing file upload and download functionality in web and mobile applications
  • Validating HEX parsers, converters, and rendering engines
  • Automated testing in CI/CD pipelines
  • Prototyping applications that process firmware & embedded files
  • Learning about the HEX file format structure and metadata

How to Open HEX Files

HEX files can be opened with applications that support the HEX format. Check your operating system's default app settings or try a universal file viewer. Most text-based formats can also be opened with any code editor like VS Code.

Developer Notes

MIME Typeapplication/octet-streamFile Size15 KBExtension.hexCategoryFirmware & Embedded

This file is well-formed with valid headers and metadata, making it safe for automated testing and CI/CD pipelines. You can fetch this file directly in your tests using the URL https://fileexamples.com/api/download?file=sample_firmware.hex&type=application/octet-stream. Works with curl, wget, fetch(), axios, and any HTTP client. Set the Content-Type header to application/octet-stream when serving HEX files in your application.

Frequently Asked Questions

What is this sample HEX file used for?

This sample HEX file is designed for testing file upload forms, validating HEX parsers, automated testing, CI/CD pipelines, and prototyping applications that handle firmware & embedded files.

Can I use this file for upload testing?

Yes. This 15 KB HEX file is well-formed with valid headers and metadata, making it suitable for testing file upload endpoints, size limit validation, and MIME type detection (application/octet-stream).

Is this example file safe to download?

Yes. All sample files on File Examples are created in-house, contain no malware or tracking, and are free to download without registration. They are safe for development and testing use.

What software can open this HEX file?

HEX files can be opened with applications that support the HEX format. Check your operating system's default app settings or try a universal file viewer. Most text-based formats can also be opened with any code editor like VS Code.