IFF Converter

Convert IFF files online for free

Select File
Drop or upload your .IFF file

Online File Converter

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How to convert your IFF file

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

Convert IFF to another file type

The converter easily converts your IFF file to various formats - free and online. No Media Player or extra software needed.

IFF to PNG
IFF to PDF
IFF to JPG
IFF to JPEG
IFF to MP3
IFF to WAV
IFF to AAC
IFF to FLAC
IFF to OGG
IFF to WMA
IFF to AIFF

Convert a file to IFF

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

About IFF files

The .IFF extension (Interchange File Format) serves two distinct but related purposes: a generic container for multimedia data on legacy Amiga systems and a specific asset archive for games like NBA 2K and The Sims.

The Challenge: Compatibility & Fragmentation

Originally designed by Electronic Arts to transfer data between software, .IFF files act as chunks containing various data types - images (ILBM), audio (8SVX), or text. However, modern operating systems and web browsers do not natively support this format. Opening an Amiga graphic or sound bite typically requires specialized retro-computing viewers.

In the context of NBA 2K, .IFF files are compressed archives (similar to ZIP) containing textures, 3D models, and player data. Gamers often struggle to edit these files directly; they cannot be opened in Adobe Photoshop or Blender without first being decompressed or converted using community-made modding tools. Similarly, The Sims uses .IFF to store object behavior and sprites, which are illegible to standard image editors.

The Solution: Conversion & Extraction

For Amiga/Retro Media: Convert .IFF images (ILBM) to PNG or JPG for easy viewing and web sharing. Convert .IFF audio to WAV or MP3 for compatibility with modern media players.
For NBA 2K Modding: These files function as containers. The workflow involves converting/extracting the internal assets (often DDS textures or OGG audio) using specialized explorers, editing them, and repacking them. Renaming the extension to ZIP sometimes allows partial access to the contents.
For The Sims: Legacy tools like IFF Pencil are required to view or modify the internal resources.

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

Users also converted IIF, JFIF, ILBM, MULTIPLEMOCAP, ZIP, PNG, TIF, JPG, RAR, 7Z, WEBP, JPEG and WIN files.

FAQ

If you want to convert IFF file to M4A, you can use NBA 2K or similar software from the "Game Asset & Multimedia Container" category. In the File menu, look for Save As… or Export….

To convert MIDI, AAC, TTA, AU, WV, DTS, MID, FLAC, RA, MP3, PCM or WAV files to IFF, try NBA 2K or another comparable tool in the "Game Asset & Multimedia Container" category.

The IFF 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 IFF converter.