Convert BIG to IFF

With our fast and user-friendly BIG to IFF converter, you can steer clear of the tedious task of manually converting multiple .big files into iff format for hours on end.

reaConverter is a fast offline BIG to IFF converter. Whether you need to convert hundreds or thousands of BIG files, reaConverter can handle it all.

1. Download and Install reaConverter

reaConverter is quick to download, install and launch. This standalone software is extremely efficient in managing a wide range of batch conversions. reaConverter is incredibly powerful and boasts an extensive variety of features.

Install reaConverter

2. Load your BIG files

Start reaConverter and load all the .big files you intend to convert into .iff. The software supports multiple BIG conversion and processes all files locally on your computer.

Select BIGs from a folder or by drag-and-dropping them directly into the reaConverter window.

3. Select IFF as output format

Pick the IFF as output format and choose the destination folder where you want to save new .iff files.

4. Start BIG to IFF conversion

Then simply press Convert button and your conversion will begin in no time!

Once the conversion is complete, you can find your IFF files in the destination folder you selected.

BIG to IFF Converter

reaConverter offers the fastest, simplest solution for converting your BIG files into IFF in seconds - all files processed on your PC for maximum privacy and speed.

Download Free Trial

Do more with your files

Converting BIG files for use in a workflow? reaConverter offers many ways to process files, so you can customize them according to your requirements.

Our range of editing options includes auto-processing options such as auto-rotate, auto-crop, watermarking and more. Change Color Space, copy Metadata, set DPI, manage ICC Profile, control Bit Depth.

Conversion features

User Reviews

Average User Rating:
Last updated on May 20, 2025

"We deployed reaConverter across our department to standardize file formats for our archives. The command-line support and automation features integrated perfectly into our systems. Stellar performance and zero crashes—it just works."

David R.

IT Solutions Architect

"So simple! I just needed to convert a couple of files to another format, and for such a straightforward task, the online converter worked perfectly — delivering the files I needed in no time. Excellent service!"

Kenneth D. Carter

Satisfied Customer

"I run a small design agency, and reaConverter has saved me countless hours. The batch processing is lightning-fast, and the ability to convert hundreds of files into different formats at once is a game-changer. Highly recommend!"

Mark T.

Satisfied Customer

"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."

J. Mitchell

Satisfied Customer

"reaConverter is pure gold! Rock-solid performance with zero crashes. No internet needed—perfect for travel or low-connectivity work. The ultimate offline alternative to sketchy web converters. Plus, the desktop version keeps sensitive files secure since nothing ever gets uploaded to the cloud."

Malik T. Martin

Satisfied Customer

"I was skeptical at first, but reaConverter exceeded my expectations. The interface is intuitive, and the advanced settings let me tweak outputs perfectly. Plus, the customer support is fantastic!"

Sarah Lane

Satisfied Customer

BIG to IFF Conversion: FAQ

Can reaConverter convert BIG to IFF?

Yes! reaConverter instantly converts .big to .iff with perfect quality preservation. With its batch processing feature, you can convert multiple files at once in just a few clicks. You can even convert images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert BIG to IFF online?

If you only need to convert a few BIG files to IFF format, feel free to try our free online free online BIG to IFF converter — perfect for small batches with no installation needed!

How can I turn BIG files into IFF on my computer?

The best way to change BIGs to IFFs on your PC is to install a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from BIG to IFF.

How can I automate BIG to IFF files conversion?

reaConverter supports all the most useful automation features such as right-click сonversion and Watch Folders for the most efficient automated files conversion in any software of this type.

Is there a way to convert BIG files to IFF using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line big to iff converter for batch processing.

What else can I do with reaConverter?

Convert RAW photo formats Copy IPTC data Convert vector images Convert picture color space Convert Gerber images