A Step by Step AVIF Workflow for Fast and Consistent Image Results

AVIF is a modern image format designed to deliver strong visual quality in relatively small files. It can be an excellent choice for websites, online stores, portfolios, and apps, but good results do not come from changing a file extension or choosing a random quality number. The source image, dimensions, color profile, compression settings, and delivery method all matter.

A repeatable AVIF workflow makes the process easier. Instead of treating every image as a separate experiment, you can follow the same steps: inspect the source, prepare the image, select the right export settings, check the result, create useful variants, and test the file in its real destination.

This guide focuses on practical decisions for ordinary web images. It also explains when WebP or another format may be more suitable, especially when you need a simple fallback or a faster conversion process.

What makes AVIF different

AVIF is an image format based on the AV1 video codec. A codec is a system used to encode and decode digital media. AVIF uses that compression technology to store still images, and it supports features such as lossy and lossless compression, transparency, animation, wide-gamut color, and higher bit depth.

Lossy compression reduces file size by removing some image information. Lossless compression preserves the image data more closely, but the resulting file is usually larger. The best choice depends on the type of image and how much visual change is acceptable.

AVIF can be particularly effective for photographs and complex illustrations. It may also preserve details well at smaller sizes than older formats in some situations. However, encoding can take more time, and results vary with the encoder, source image, browser, device, and settings. A workflow should therefore measure the actual files you plan to publish instead of relying on general claims.

Step 1 Start with a clean source file

The export cannot repair a poor source image. Begin with the highest-quality original available. For a photograph, this might be a camera original or a carefully edited master. For a graphic, it could be a vector export or a large lossless raster file.

Do not repeatedly convert a JPEG into another lossy format before creating AVIF. Every lossy export can add compression artifacts such as blockiness, ringing around sharp edges, or blurred fine texture. When possible, return to the original source and create the AVIF directly from it.

Before conversion, check the following details:

• The image has the correct crop and orientation.
• There is no unnecessary border, blank area, or hidden layer increasing the canvas size.
• The pixel dimensions match the intended use.
• The image is displayed with the correct color profile.
• Important detail is not already damaged by previous compression.

File size is affected by content. A photograph with grass, hair, water, or film grain is harder to compress than a flat illustration with a few solid colors. This is why two images with the same dimensions and quality setting can produce very different AVIF sizes.

Step 2 Resize before encoding

Serving a large image and shrinking it with HTML or CSS does not remove the extra bytes from the download. Resize the image before encoding when the original is larger than the display area.

Create image dimensions based on real layouts. A product image might need a larger version for a detail page and a smaller version for a product grid. A hero image may need a desktop variant and a mobile variant. A thumbnail should not use the same oversized file as the main image.

Use a good resampling method when reducing dimensions. Resampling is the process of calculating new pixels while changing image size. A high-quality method usually keeps edges and textures cleaner, but excessive sharpening can create halos that become more visible after compression.

Keep the aspect ratio unless the design intentionally requires a crop. If a crop is needed, make it before encoding so the AVIF contains only the visual area that users will receive. This reduces file size and prevents important subjects from being cut off by different layouts.

Step 3 Choose the color and bit depth

For ordinary web photographs, standard red, green, and blue color usually provides a practical balance between compatibility and file size. Images with a wide-gamut color space contain colors outside the range of standard displays. They can be useful in color-managed workflows, but you should check how the target browsers and devices handle them.

Bit depth describes how many tonal values can be stored for each color channel. Eight-bit images are common and usually adequate for everyday web graphics. Higher bit depth can help with gradients, HDR material, or demanding color work, but it may increase processing requirements and is not automatically better for every image.

Convert or preserve color profiles deliberately. A profile tells software how to interpret the numerical color values in the file. If a profile is removed or misread, colors can look different between editing software, browsers, and operating systems. For a standard website, a properly managed sRGB workflow is often the simplest option, but the correct choice depends on your source and publishing system.

Step 4 Decide between lossy and lossless AVIF

Lossy AVIF is normally the starting point for photographs and other detailed images intended for the web. It can reduce downloads substantially, but the quality setting is not a universal scale. A value used by one encoder may not mean the same thing in another encoder.

Lossless AVIF is useful when every pixel must remain unchanged, such as certain working assets, screenshots used for reference, or graphics where compression artifacts are unacceptable. It is not automatically the smallest option for a simple image, however. Test it against a suitable lossy export and compare both visual quality and file size.

For icons, logos, interface elements, and flat illustrations, compare AVIF with SVG, WebP, and PNG. An SVG is often the best choice for artwork made from shapes and paths. PNG can be useful for simple transparency or situations where broad compatibility is more important. AVIF is a raster format, so it does not replace an editable vector original.

Step 5 Set quality by inspection, not by habit

Quality controls how strongly the encoder compresses the image. Lower quality generally produces a smaller file, while higher quality retains more detail and produces a larger file. The relationship is not perfectly predictable, so treat the setting as a starting point rather than a promise.

Export several test versions from the same source. Use a lower, middle, and higher quality setting supported by your software, then compare them at the size users will actually see. Also inspect the image at a larger zoom level to find problems that may be hidden in the page layout.

Pay attention to areas that reveal compression issues:

• Faces, skin texture, and hair.
• Small text and thin lines.
• Leaves, grass, fabric, and other fine patterns.
• Clouds, shadows, and smooth gradients.
• High-contrast edges around objects.
• Transparent edges around logos or cut-out subjects.

Look for banding, which appears as visible steps in a smooth gradient. Also look for ringing, which appears as faint bright or dark outlines near strong edges. Color shifts and loss of tiny text detail can be more distracting than a moderate increase in file size.

Choose the smallest version that still looks correct in context. A large background image may tolerate a different setting from a product photograph or a screenshot containing text. Record the chosen setting for each image category so future exports remain consistent.

Step 6 Handle transparency carefully

AVIF supports an alpha channel, which is the extra channel that controls transparency. Transparent images need special attention because the background behind the image can reveal edge problems that are invisible in an editor.

Place the exported image over light, dark, and colored backgrounds. Inspect hair, shadows, soft glows, and semi-transparent edges. A subject cut out against a white editing canvas may show a pale fringe when placed on a dark website background.

Check whether your conversion software preserves partial transparency. A simple transparent logo may work well, but an image with soft shadows can expose differences between tools. If transparency is not required, flattening the image against its final background may produce a smaller or more predictable result.

Step 7 Inspect metadata and file behavior

Metadata is information stored inside an image, such as camera details, location data, editing history, or color information. Some metadata is useful, while some is unnecessary for a public web file. Removing private location data is especially important for photographs taken with devices that record GPS information.

Do not remove a color profile without checking the effect on appearance. Other metadata, such as a camera model or editing software name, may not be needed for a website. Your export tool may offer separate options for preserving color information and removing other metadata.

Confirm that the file opens correctly after export and that its dimensions, transparency, and orientation are intact. A valid file can still be unsuitable if a publishing system changes its name, strips important information, or applies another conversion during upload.

Step 8 Create responsive image variants

Responsive images are different versions prepared for different screen sizes or layout widths. They help a phone download a smaller file instead of receiving the same large image intended for a desktop monitor.

Start with the layout rather than creating arbitrary sizes. If an image appears at several widths, create variants that cover those real display needs. Avoid creating dozens of nearly identical files, because they make storage, caching, and content management harder.

Each variant should be checked separately. Resizing can change how texture, small text, and sharp edges look, so a quality setting that works for a large image may not work for a small one. Very small images may need more careful sharpening, while large photographs may need stronger compression to remain practical.

Use meaningful filenames that identify the subject and variant. A pattern such as product-name-800.avif is easier to manage than a random export name. Keep the original master file separate from delivery files so you can make new variants later without reusing a compressed copy.

Step 9 Plan browser delivery and fallbacks

AVIF support is available in modern browsers, but a website may still need a fallback for older browsers, embedded systems, email clients, or software that does not accept AVIF. A fallback is an alternative file served when the preferred format is unavailable.

WebP is a common fallback or alternative. It supports lossy and lossless compression, transparency, and animation, and it may be easier to encode in some workflows. JPEG remains useful for broad compatibility with photographs, while PNG remains useful for some transparent or lossless graphics.

Do not assume that adding every possible format improves performance. Multiple files can increase storage and publishing complexity. Choose the formats that match your audience and delivery system, then verify which file is actually requested by the browser.

When using a content management system or image service, check whether it automatically recompresses uploads. An automatic second conversion can change quality, remove transparency, or make your carefully tested AVIF larger than expected. The final file delivered to users is the one that matters.

A practical AVIF reference table

The following table is a starting point, not a set of fixed rules. Test representative images from your own collection before applying a setting to an entire library.

Common mistakes that reduce AVIF quality

Changing the extension instead of converting

Renaming image.jpg to image.avif does not convert the contents. The file remains a JPEG and may fail to open or be interpreted incorrectly. Use an image editor, command-line encoder, image service, or browser-based conversion tool that creates a genuine AVIF file.

Using one setting for every image

A setting that works for a landscape photograph may damage a screenshot or logo. Image content matters more than a universal preset. Group files by purpose and test one or two representative examples from each group.

Keeping oversized originals as delivery files

Compression cannot compensate for unnecessary dimensions. A small card image exported from a very large source may still be much larger than needed. Resize first, then encode.

Judging only by file size

A small file is not automatically a good file. If text becomes unreadable, edges look dirty, or a gradient shows banding, the saving is not worth the visual cost. Compare files at their real display size and on more than one type of screen when possible.

Ignoring the final upload process

Your local AVIF may be excellent, but a website plugin, content management system, or image CDN may change it. Test the URL and file that users receive, not only the file on your computer.

A repeatable workflow for daily use

For regular production work, write down a small export policy. It might specify the preferred color space, maximum dimensions, naming pattern, quality test method, transparency checks, and fallback format. The policy does not need to be complicated. Its purpose is to prevent every image from becoming a new guessing exercise.

1. Keep an untouched master source.
2. Crop and resize for the intended layout.
3. Choose a deliberate color and transparency workflow.
4. Export several AVIF quality versions when setting up a new image category.
5. Inspect difficult details at normal and enlarged viewing sizes.
6. Remove unnecessary metadata while preserving needed color information.
7. Create only the responsive variants the layout requires.
8. Provide a fallback where your audience or delivery system needs one.
9. Test the final delivered file in the real page or app.

If you need to prepare WebP versions as well, TopWebP’s Convert images to WebP tool can be useful as part of a format comparison workflow. Compare the resulting files visually and check their dimensions before deciding which version to publish.

Frequently asked questions

Is AVIF always smaller than WebP or JPEG?

No. File size depends on the source image, dimensions, encoder, quality setting, color information, transparency, and other options. AVIF may be smaller for one image while WebP or JPEG may be more practical for another. Compare files created from the same source and inspect their visual quality.

Should I use AVIF for every image on a website?

Not necessarily. AVIF is a strong option for many photographs and detailed raster images, but SVG may be better for vector artwork, PNG may suit some lossless graphics, and WebP or JPEG may simplify compatibility. Choose by image type and audience rather than applying one format everywhere.

What quality setting should I use for AVIF?

There is no universal number that works across all encoders and images. Export a few versions, inspect important details, and select the smallest file that looks correct in its intended layout. Record the result for similar images so your future exports are consistent.

Does converting JPEG to AVIF improve a poor-quality image?

No. Conversion changes the storage format but cannot restore detail already lost through blur, cropping, or compression. Start with the best original available, and avoid repeated lossy conversions before creating the AVIF.

Can AVIF contain a transparent background?

Yes. AVIF can store transparency through an alpha channel. Check transparent edges against the backgrounds used on your website, because pale fringes or rough edges may become visible after conversion.

Is AVIF suitable for screenshots with text?

It can be, but screenshots need careful testing. Small text and thin interface lines can suffer from lossy compression. Compare a high-quality AVIF with PNG or WebP, and use the format that keeps the text sharp at the size users will view it.

Do I need a WebP or JPEG fallback?

A fallback can help visitors using browsers, clients, or systems that do not support AVIF. Whether you need one depends on your audience and delivery setup. Test the actual browser behavior and avoid adding formats that your publishing system cannot manage reliably.

Why does my AVIF file look different in different programs?

Color management, profile handling, decoder support, and display settings can differ between programs. Check that the source uses an appropriate color profile and compare the final file in the browsers and devices that matter for your audience.

Can I use an online tool to create AVIF files?

Yes, a browser-based tool can be convenient for occasional conversions. Check whether it supports your source dimensions, transparency, metadata preferences, and desired output quality. For private or sensitive images, review how the service handles uploaded files before using it.

What is the most important step in an AVIF workflow?

Testing the final image in its real context is one of the most important steps. A file that looks good in an editor may show different problems in a page layout, against a different background, or on a smaller screen. Inspect both appearance and delivered file size before publishing.

Related reading: AVIF Settings for Different Types of Images · AVIF Image Quality and File Size Finding the Right Balance