Convert I18 to AVIF

Tired of slow online converters? reaConverter transforms I18 to AVIF instantly — right on your desktop, no upload needed.

Online converters too slow for your I18 files? reaConverter works locally and handles unlimited batches. All processing runs locally on your PC, so your files stay private and secure.

Download
reaConverter
Convert
I18 to AVIF
Online
Convert

How to Convert Multiple I18 Files to AVIF?

1. Download and Install reaConverter

First, grab reaConverter from the download button below. Installation is fast, and the software runs offline — no account or signup needed.

reaConverter logo
Install reaConverter

2. Load your I18 files

Add I18 files to reaConverter. One file or a thousand, the process is the same. Everything runs locally on your machine.

You can drag-and-drop files, browse to a folder, or add entire directory trees including subfolders.

Load your I18 files into reaConverter

3. Select AVIF as output format

Select AVIF from the output format list and set your destination folder. You can also adjust quality and compression settings.

Select AVIF as output format

4. Start I18 to AVIF conversion

Click the Convert button to start. reaConverter will process all your files with the settings you selected.

Start Conversion

When finished, your new .avif files will be waiting in the destination folder.

I18 to AVIF Converter

reaConverter offers the fastest, simplest solution for converting your I18 files into AVIF in seconds - all files processed on your PC for maximum privacy and speed.

Download Free Trial

Do more with your files

Converting I18 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
Image editing

User Reviews

Average User Rating:
Last updated on January 13, 2026
"Twitch thumbnails keep saving as AVIF and my editing software freaks out. reaConverter swaps them to JPEG instantly. Now I can actually post my ‘🔥HOT TAKES🔥’ without crying over file errors."
Amy Li
Amy Li
Content Creator
"Google Photos auto-saved my pics as AVIF files that won’t open anywhere. reaConverter rescued 3 years of memories AND kept the quality. Take that, ‘innovation’!"
Derek Snyder
Derek Snyder
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
"I'm really impressed with this software - it converts files between formats incredibly fast!"
Lin Zhang
Lin Zhang
Happy User
"I firmly believe working with JPEG — the universal format supported by all devices and apps—is the wisest choice. reaConverter handles these conversions flawlessly."
Ava Thomas
Ava Thomas
Happy User
"An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."
Elena Anderson
Elena Anderson
Happy User

I18 to AVIF Conversion: FAQ

What are I18 files?

I18 is a bitmap image format associated with specialized software produced by Pixel Power, a well-known provider of IT solutions for a large array of media devices — from smartphones and PCs to TVs and large displays. I18 is currently considered an uncommon format and is difficult to open using regular image viewers. For best results with storing and transferring, we recommend converting it to a more widely accessible extension.

What are AVIF files?

AVIF is a new image format launched at the end of 2020. AV1 Image File Format was developed by the Alliance for Open Media in collaboration with Netflix, Google and Cisco. This format was created to be an open-sourced and royalty-free image format with a super-compression efficiency. Multiple graphics compression tests show that the .avif format outperforms the JPEG, PNG and WebP image formats for its image quality to compressed file size ratio.

Can reaConverter convert I18 to AVIF?

Yes! reaConverter instantly converts .i18 to .avif 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 I18 to AVIF online?

If you only need to convert a few I18 files to AVIF format, feel free to try our free online free online I18 to AVIF converter — perfect for small batches with no installation needed!

How can I turn I18 files into AVIF on my computer?

The best way to change I18s to AVIFs 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 I18 to AVIF.

How can I automate I18 to AVIF 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 I18 files to AVIF using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line i18 to avif converter for batch processing.

What else can I do with reaConverter?

Convert CAD formatsSet picture bit depthConvert GIS filesConvert PDFWatermark image

Find out more

Get advanced software for file conversion, processing, and editing, giving you complete, precise control over your work.
Download
reaConverter
Buy Now
reaConverter software