Convert AVI to AVIF

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Converts to AVIF on secure servers · first daily conversion free · no signup

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Convert AVI video files into AVIF images by extracting frames for thumbnails, previews, or web optimization. Perfect for legacy video processing and modern image delivery.

By ChangeThisFile Team · Last updated: March 2026

Quick Answer

ChangeThisFile extracts frames from AVI video files and converts them to AVIF images using FFmpeg on secure servers. Extract thumbnails, keyframes, or specific moments from legacy AVI footage into modern AVIF format with superior compression. No signup required, completely free.

First daily conversion free No signup required Encrypted transfer · Async jobs kept up to 24h Queued when needed Updated May 2026

AVI vs AVIF: Format Comparison

Key differences between the two formats

Feature	AVI	AVIF
Type	Video container format (Audio Video Interleave)	Modern image format based on AV1 codec
File size	Large video files (10-1000+ MB)	Ultra-compact (50% smaller than JPEG)
Color depth	Full color video frames	10-bit and 12-bit color depth support
Compression	DivX, Xvid, MJPEG, uncompressed	Advanced AV1-based lossy and lossless
Browser support	No direct browser playback	Chrome 85+, Firefox 93+, Safari 16.4+
Use case	Legacy video storage and playback	Web delivery, thumbnails, high-quality stills
Platform age	1992 Microsoft format	2019 Alliance for Open Media
HDR support	Limited in older codecs	Full HDR10 and HLG support

When to Convert

Common scenarios where this conversion is useful

Legacy video thumbnail extraction

Extract key frames from old AVI video libraries to create modern AVIF thumbnails that load faster and take up less storage than traditional JPEGs or PNGs.

Web optimization for video previews

Convert AVI frame captures to AVIF format for website video galleries, reducing image payload by 50% compared to JPEG while maintaining superior quality.

Archive digitization workflows

Process archived AVI footage by extracting representative frames as AVIF images for catalog systems, maintaining high quality with minimal storage requirements.

Social media content repurposing

Extract memorable frames from AVI video content and convert to AVIF for sharing on platforms that support modern image formats with better compression.

Who Uses This Conversion

Tailored guidance for different workflows

Content Creators

Turn a short AVI clip into a looping AVIF to share in chats, forums, or social posts where a silent animated GIF plays inline
Grab a memorable moment from a AVI recording and save it as a AVIF reaction or highlight

Trim the AVI to just the key seconds before converting, since AVIF files grow quickly with length

Remember the AVIF is silent, so pick a moment that reads without sound

Marketers

Convert a AVI product clip to a AVIF that auto-plays in emails and landing pages where video embeds are blocked
Repackage a AVI promo into a lightweight AVIF loop for banners and social feeds

Keep the AVIF dimensions and duration modest so it stays small enough for email clients

Preview the AVIF loop end-to-end to confirm it starts and repeats cleanly

Developers & Writers

Convert a AVI screen recording to a AVIF to demo a UI flow in a README, pull request, or issue tracker
Drop a AVI walkthrough into docs as a AVIF that renders without a video player

Crop the AVI to the region of interest so the AVIF stays sharp at a small size

Use a short, focused loop; long AVIF captures balloon in file size fast

How to Convert AVI to AVIF

1

Upload your AVI file

Drag and drop your .avi video file onto the converter, or click to select it. AVI files with any codec are supported. The converter will extract a representative frame or keyframe from your video.
2

FFmpeg extracts and converts frame

Your file uploads securely over HTTPS and FFmpeg processes it server-side. It extracts a high-quality frame from the video and encodes it to AVIF format using advanced AV1 compression algorithms.
3

Download the AVIF image

Download your converted .avif image file. The AVIF format provides superior compression and quality compared to JPEG or PNG. Both your original AVI and the resulting AVIF are deleted from our servers immediately.

Developers: convert via API →

Frequently Asked Questions

Which frame does the converter extract from the AVI video?

FFmpeg automatically selects a representative keyframe from the video, typically from early in the timeline. This ensures you get a clear, high-quality frame that best represents the video content.

Will the AVIF image maintain the original video quality?

Yes, the extracted frame retains the full quality of the source AVI video. AVIF's advanced compression actually provides better quality than JPEG at similar file sizes.

What AVI codecs are supported for frame extraction?

FFmpeg supports virtually all AVI codecs including DivX, Xvid, MJPEG, Cinepak, Indeo, and uncompressed AVI. If your AVI file plays in VLC, the frame extraction will work correctly.

Why choose AVIF over JPEG for extracted frames?

AVIF provides 50% smaller file sizes than JPEG with better quality, supports HDR content, and offers both lossy and lossless compression. It's the future of web image delivery.

Does the conversion preserve the original resolution?

Yes, the AVIF image maintains the same resolution as the source AVI video frame. However, if the AVI is very high resolution, you may want to consider resizing for web use.

Can I extract multiple frames from one AVI file?

This converter extracts a single representative frame. For multiple frame extraction, you would need to use specialized video editing software or run multiple conversions.

Will AVIF images work in all browsers?

AVIF is supported in Chrome 85+, Firefox 93+, and Safari 16.4+. For older browsers, consider also converting to JPEG or WebP as fallbacks.

Is there a file size limit for AVI uploads?

The paid browser upload limit is 100MB. Since we're only extracting a single frame, even large AVI files process quickly and the resulting AVIF will be compact.

Are my video files kept private and secure?

Yes. AVI files are uploaded over HTTPS and both the original video and extracted AVIF image are automatically deleted from our servers immediately after conversion.

Can I convert the extracted AVIF to other formats?

Absolutely. Once you have the AVIF image, you can use ChangeThisFile to convert it to JPEG, PNG, WebP, or any other supported image format as needed.

How much smaller will the AVIF be compared to a JPEG of the same frame?

AVIF typically achieves 40-50% smaller file sizes than JPEG at equivalent visual quality, making it ideal for web delivery and storage optimization.

Does the AVIF support transparency like PNG?

Yes, AVIF supports alpha channel transparency, though most AVI video frames won't have transparency unless they were specifically created with alpha channels.