Convert RLB to AVIF

RLB to AVIF conversion that keeps your files private. reaConverter runs offline on your computer with full batch processing support.

Tired of converting RLB files one at a time? reaConverter processes entire folders to AVIF automatically. Handles large batches reliably without crashes or timeouts.

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RLB to AVIF
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How to Convert Multiple RLB Files to AVIF?

1. Download and Install reaConverter

reaConverter installs quickly on any Windows PC. No dependencies, no bloatware — just a clean setup that's ready to use immediately.

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Install reaConverter

2. Load your RLB files

Add RLB 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 RLB 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 RLB 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.

RLB to AVIF Converter

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

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Do more with your files

Converting RLB 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 20, 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
"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."
J. Mitchell
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
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
Sarah Lane
Satisfied Customer
"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.
David R.
IT Solutions Architect

RLB to AVIF Conversion: FAQ

What are RLB files?

The RLB extension is attached to bitmap images created using software by Wavefront Technologies. The latter was a company specialized in animation software and became part of Silicon Graphics in mid-1990s. The RLB format is currently considered uncommon and obsolete.

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 RLB to AVIF?

Yes! reaConverter instantly converts .rlb 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 RLB to AVIF online?

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

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

The best way to change RLBs 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 RLB to AVIF.

How can I automate RLB 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 RLB 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 rlb to avif converter for batch processing.

What else can I do with reaConverter?

Copy EXIF dataConvert RAW formatsConvert DICOM imagesImage resizerConvert CAD formats

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