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I18 Converter

Need to convert I18 files to other formats? reaConverter does it in batch. No file limits, no watermarks, no internet required.

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Over 25 years of experience

Your files never leave your PC

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How to Convert .i18 Files in Bulk

1. Install reaConverter

Download reliable I18 conversion software to convert multiple .i18 files and folders in one go.

2. Select I18 Files

Select I18s from a folder or drag and drop them into reaConverter, then choose the desired output format.
reaConverter - Load I18 files

3. Start Conversion

Click Convert to start the bulk conversion of all selected I18 files. The process will begin right away.
reaConverter - Start I18 conversion

Step by step

See It in Action

For quick and effortless I18 file handling on your PC, reaConverter offers powerful conversion tools with batch processing. Best of all, it works entirely offline — ensuring your sensitive data never leaves your computer.

Extra Tools

Do more with your files

Converting I18 files for use in a larger project? 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.

Image editing

User reviews

From those who tried it

Average User Rating:
Last updated on July 29, 2026
Rare software that actually does it all! Converts anything, beautiful interface, and never lets me down. A must-have!
Henry R.
Henry R.
Happy User
Your solution was buried deeper in search results than it should be. After struggling with unclear alternatives, I found your guides — finally, instructions that made sense for a first-time user like me. Excellent work!
Richard E. Miller
Richard E. Miller
Satisfied Customer
The step-by-step video makes conversion foolproof. I'd recommend this to my grandma - it's that well-explained!
DeShawn M. Thompson
DeShawn M. Thompson
Happy User
Converts files in seconds! Finally a tool that's both fast and simple to use.
Wei Chen
Wei Chen
Happy User
Creating marketing materials for various platforms requires multiple file versions from single sources. reaConverter's workflow automation lets us generate PNG, JPEG, and SVG variants from AI and PSD files simultaneously. The color profile management ensures brand consistency across all outputs, and the processing speed allows for last-minute changes without delaying deadlines.
Rebecca Turner
Rebecca Turner
Marketing Agency CEO
We use reaConverter in our department to handle image and document conversions for multiple teams. The Watch Folders function is brilliant — I configured different folders for different workflows, and now everything happens automatically in the background. No more manual conversions or missed files. Rock-solid performance!
James L.
James L.
IT Manager

Questions & Answers

I18 files: Frequently Asked Questions

Can reaConverter open I18 files?

reaConverter fully supports the I18 file format – open, edit, and export I18 files to any other popular file format with ease.

How do I change I18 to another format?

reaConverter is a user-friendly tool for converting I18 files. Once installed on your computer, it allows you to convert all your .i18 files at once with just a few clicks. You can even convert I18 files directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert I18 online?

If you only want to convert a few I18 files, you are welcome to try our free online I18 converter.

How can I turn I18 files on my computer to another format?

The best way to convert I18 files on your PC is to get 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 I18.

How can I automate I18 files conversion?

reaConverter supports all the essential automation features, such as right-click сonversion and Watch Folders, for the most efficient automated file conversion in any software of its kind.

Can I convert I18 files using scripts or the command-line interface?

reaConverter provides full access to all its features from the Windows command-line shell, including the command-line i18 converter.

What else can I do with reaConverter?

Convert Gerber filesChange color spaceConvert PDF filesWatermark imagesChange format settings

What formats can I convert a I18 file to?

Discover More

Beyond I18 conversion

Convert .i18 files in batches of any size, with editing and processing applied along the way. The same tool also handles 800+ other formats, including CAD, medical imaging, and GIS.

Free trial · Windows 10/11 · v8.0.254 · Files never leave your computer

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