ISM Converter

Convert ISM files online for free

Select File
Drop or upload your .ISM file

Online File Converter

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How to convert your ISM file

Click the "Select File" button above, and choose your ISM file.
You'll see a preview.
Click the "Convert file to..." button to save your file in the format you want.

Convert ISM to another file type

The converter easily converts your ISM file to various formats - free and online. No Visual Studio Code or extra software needed.

ISM to WIX
ISM to JS
ISM to TS
ISM to PY
ISM to JAVA
ISM to CPP
ISM to C
ISM to CS
ISM to PHP
ISM to RB
ISM to GO
ISM to RS

Convert a file to ISM

The converter also works in reverse, so you can convert other Developer formats to ISM with high quality output.

SH to ISM
PY to ISM
KT to ISM
PS1 to ISM
SWIFT to ISM
LUA to ISM
PL to ISM
JAVA to ISM
SCALA to ISM
JS to ISM
VBS to ISM
TS to ISM

About ISM files

The .ISM file extension represents a complex landscape of formats, most frequently appearing as IIS Smooth Streaming Manifests or InstallShield Project Files.

1. IIS Smooth Streaming Manifest (Web/Video)

A text-based XML file used by Microsoft IIS Media Services to facilitate adaptive bitrate streaming. It does not contain actual video data but acts as a playlist, directing the player to specific video chunks (.ISMC) based on the user's bandwidth.

The Problem: You cannot open this file in standard media players like VLC or Windows Media Player because it is just a map, not the footage itself.
The Solution: For playback, these must be processed by a streaming server or converted/downloaded into a standalone container like MP4 or MKV using tools like FFmpeg that can interpret the manifest.

2. InstallShield Project File (Developer)

Created by Flexera InstallShield, this file stores all configurations, file references, and scripts needed to build a Windows installer.

The Problem: These are proprietary project files (often binary or complex XML) that cannot be executed. You cannot "install" the software using the .ism file alone; it requires the expensive InstallShield development environment to open or build.
The Solution: Developers compile these into executable EXE or MSI files. If you need to view the contents without the software, converting the XML variant to TXT or CSV can reveal file paths and registry keys.

3. ISAM & Bentley Structural Files

Less commonly, .ism files may be ISAM database files used by legacy systems (like Micro Focus COBOL) or Integrated Structural Models used by Bentley Systems for 3D engineering data. These formats are incompatible with each other and typically require export to CSV, SQL, or IFC (for 3D data) for broader accessibility.

Use Convert.Guru to open and convert your ISM file.

Users also converted DOCX, ISM_, LSM, SEW, XLSX, PDF, TXT, XIX, PNG and WIX files.

The ISM Converter Story

The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our ISM converter.