Opening HSI Files

The HSI file type is primarily associated with Ragnarok Online.

HSI	File extension: HSI
	File type:	game asset file

What is an HSI file

HSI files mostly belong to Ragnarok Online. HSI files are not standard images but game asset files used by specific game engines. They store binary data that includes image information and metadata for in-game graphics.
In practice, these files are utilized by the Ragnarok Online client and are also known in the context of Heroes of Might and Magic 3 as a special image format supported by the Infinity Engine.
The structure of an HSI file is designed to aid rapid asset loading and rendering within its game environment.
Usage details include:

Storage of texture pointers and sprite data for in-game use.

Optimized layout for fast retrieval by the game engine.

Requirement of specialized modding tools or a hex editor for any detailed inspection or editing.

FilExt.com note: Users should note that these files are not viewable with typical image viewers. Instead, they must be accessed with dedicated game-modification software or the original game client.

How to open an HSI file

You need a suitable software like Ragnarok Online to open an HSI 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 HSI file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a HSI file directly in the browser:. Just drag the file onto this browser window and drop it.

Online HSI File Viewer

Choose your .hsi file to view this image

or drag and drop it here

Online File Viewer

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How to extract texts from HSI files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

If you want to extract texts from HSI file or capture a screenshot, you can use our free Online HSI File Viewer:

To do so, click the "Choose your .hsi file to view this image" button above.
Your HSI file will then be displayed in the browser.
Now click on "Save as..." at the top of the page.
Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
Your file will be converted and downloaded.

Programs that open and convert HSI files:

Ragnarok Online
See the previous paragraphs to learn more about the main application. HSI files are often referred to as Ragnarok Online games because this type of file is primarily created or used by this software.
Handmade Software Graphic File
HSI JPEG Bitmap
The identifying characters used for this association are - Hex: 68 73 69 31 00 00, ASCII: hsi1. This file format is classified as Graphic.

Technical Data for HSI File Extension

File classification:

Game

Identifier:

Hex: 68 73 69 31 00 00, ASCII: hsi1 (provided by TrID database)

Related files:

wad, arc, hsc1, hsc, raw, png, dat, img, pak, bin

Mime type:

text/xml, application/octet-stream

an hsi game asset file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with HSI files

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