{"id":746,"date":"2026-06-17T23:20:12","date_gmt":"2026-06-18T03:20:12","guid":{"rendered":"https:\/\/www.xconvert.com\/blog\/?p=746"},"modified":"2026-06-17T23:20:12","modified_gmt":"2026-06-18T03:20:12","slug":"avif-vs-webp-next-gen-image-formats","status":"publish","type":"post","link":"https:\/\/www.xconvert.com\/blog\/avif-vs-webp-next-gen-image-formats","title":{"rendered":"AVIF vs WebP: The Next-Gen Image Formats, Head-to-Head"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Both AVIF and WebP promise smaller images than JPG and PNG, and both ship in every evergreen browser in 2026. So if you\u2019re modernizing a site\u2019s images, the real decision isn\u2019t \u201cnext-gen or not\u201d \u2014 it\u2019s <strong>AVIF or WebP<\/strong>. They take different routes: AVIF borrows the AV1 video codec for state-of-the-art compression, while WebP \u2014 older, faster, and rock-solid \u2014 leans on VP8. This guide puts the two head-to-head on the things that actually move the needle: file size, quality, encode speed, browser support, and feature support, then tells you which to reach for.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Quick answer:<\/strong> <strong>AVIF usually wins on file size<\/strong> \u2014 at low-to-mid quality it\u2019s often roughly half the size of WebP for the same photo, and it adds HDR, 10\/12-bit color, and wide-gamut support WebP doesn\u2019t have. <strong>WebP wins on encode speed and the last sliver of browser reach<\/strong> (\u224896% vs \u224893% global). Practical 2026 setup: serve <strong>AVIF with a WebP fallback<\/strong>, or pick <strong>WebP alone<\/strong> when encode time, simplicity, or maximum compatibility matters more than the last few kilobytes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Jump to a section<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"#lineage\">Lineage: where each format came from<\/a><\/li><li><a href=\"#compression\">Compression efficiency: which one is smaller<\/a><\/li><li><a href=\"#quality\">Quality and artifacts<\/a><\/li><li><a href=\"#features\">Feature support: HDR, bit depth, alpha, animation<\/a><\/li><li><a href=\"#browser-support\">Browser support in 2026<\/a><\/li><li><a href=\"#encode-speed\">Encode speed: AVIF\u2019s main cost<\/a><\/li><li><a href=\"#decision\">Decision table: which to pick<\/a><\/li><li><a href=\"#tool\">Convert and compress with xconvert<\/a><\/li><li><a href=\"#faq\">FAQ<\/a><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"lineage\">Lineage: where each format came from<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The two formats descend from two different video codecs, and that ancestry explains almost every difference between them.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>WebP<\/strong> is Google\u2019s, derived from the <strong>VP8<\/strong> video codec. Google introduced it in 2010 as a single format that could do lossy <em>and<\/em> lossless compression, transparency, and animation \u2014 replacing the awkward JPG\/PNG\/GIF split with one container. It\u2019s been stable and broadly shipped for over a decade.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>AVIF<\/strong> (AV1 Image File Format) is younger and comes from the <strong>AV1<\/strong> video codec built by the <a href=\"https:\/\/aomedia.org\/\">Alliance for Open Media<\/a> (AOMedia) \u2014 a consortium founded in 2015 by Amazon, Cisco, Google, Intel, Microsoft, Mozilla, and Netflix to create a royalty-free alternative to patent-encumbered codecs like HEVC. AV1\u2019s bitstream spec was finalized in 2018, and AVIF wraps AV1-encoded still frames in a <a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/Media\/Guides\/Formats\/Image_types#avif_image\">HEIF<\/a> container. Because AV1 is a newer, more sophisticated codec than VP8, AVIF inherits stronger compression and richer color features \u2014 at the cost of much heavier encoding.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you\u2019re weighing these against the <em>old<\/em> formats (JPG and PNG) rather than against each other, see the companion guide <a href=\"https:\/\/www.xconvert.com\/blog\/png-vs-webp-vs-jpg\">PNG vs WebP vs JPG<\/a> \u2014 that one covers the \u201cshould I even leave JPG\/PNG?\u201d decision. This article assumes you\u2019ve already decided to go next-gen and just need to pick which.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"compression\">Compression efficiency: which one is smaller<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In most real-world tests, <strong>AVIF produces smaller files than WebP at the same perceived quality<\/strong>, and the gap is widest at low-to-medium quality settings \u2014 exactly the range you\u2019d use for web delivery.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Web platform engineer Jake Archibald\u2019s <a href=\"https:\/\/jakearchibald.com\/2020\/avif-has-landed\/\">AVIF analysis<\/a> put numbers to it on real images:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Image<\/th><th>WebP (lossy)<\/th><th>AVIF<\/th><th>AVIF vs WebP<\/th><\/tr><\/thead><tbody><tr><td>Photograph (F1 car)<\/td><td>43 kB<\/td><td>18.2 kB<\/td><td>~58% smaller<\/td><\/tr><tr><td>Illustration with gradients<\/td><td>26.8 kB<\/td><td>12.1 kB<\/td><td>~55% smaller<\/td><\/tr><tr><td>Heavy detailed SVG render<\/td><td>50.6 kB<\/td><td>13.3 kB<\/td><td>~74% smaller<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">These are illustrative single-image results, not a universal law \u2014 the exact savings depend heavily on image content, the encoder, and the quality target. Two honest caveats:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>AVIF\u2019s lead shrinks at high quality.<\/strong> Near-lossless settings narrow the gap, and for some images (especially ones with fine high-frequency texture) WebP can match or occasionally beat AVIF.<\/li><li><strong>The numbers above are per-image, not an average.<\/strong> Treat \u201cAVIF is roughly half the size\u201d as a reasonable expectation for typical web photos at web quality, not a guarantee for every file.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">For a rough sense of the ladder against the legacy formats: WebP lossy runs about <a href=\"https:\/\/developers.google.com\/speed\/webp\/\">25\u201334% smaller than JPEG<\/a> at equivalent quality (Google\u2019s own figure), and AVIF generally lands meaningfully smaller again than WebP. So the stack, smallest-first, is usually <strong>AVIF \u2192 WebP \u2192 JPEG<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"quality\">Quality and artifacts<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Both formats are lossy by default (each also has a lossless mode). The way they fail under heavy compression differs:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>WebP<\/strong> at aggressive settings can show blockiness and slight blurring, and it sometimes softens fine detail. It\u2019s well-understood and predictable.<\/li><li><strong>AVIF<\/strong> tends to preserve detail and smooth gradients better at the same file size, thanks to AV1\u2019s more advanced prediction and transform tools. Its characteristic failure mode at extreme compression is a slightly \u201csmudged\u201d or over-smoothed look rather than hard blocks \u2014 it trades sharpness for the absence of obvious artifacts.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">For flat-color UI graphics, logos, and text, both have lossless modes that beat PNG, but <strong>PNG-style lossless screenshots are a use case where the AVIF-vs-WebP gap is small<\/strong> and other factors (encode time, support) usually decide it. For continuous-tone photos, AVIF\u2019s quality-per-byte advantage is most visible.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"features\">Feature support: HDR, bit depth, alpha, animation<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This is where AVIF clearly pulls ahead \u2014 it inherited AV1\u2019s modern color pipeline.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Feature<\/th><th>WebP<\/th><th>AVIF<\/th><\/tr><\/thead><tbody><tr><td>Lossy compression<\/td><td>Yes (VP8)<\/td><td>Yes (AV1)<\/td><\/tr><tr><td>Lossless compression<\/td><td>Yes<\/td><td>Yes<\/td><\/tr><tr><td>Transparency (alpha)<\/td><td>Yes<\/td><td>Yes<\/td><\/tr><tr><td>Animation<\/td><td>Yes<\/td><td>Yes<\/td><\/tr><tr><td>Color depth<\/td><td>8-bit<\/td><td>8 \/ 10 \/ 12-bit<\/td><\/tr><tr><td>Wide color gamut<\/td><td>No (8-bit, typically sRGB)<\/td><td>Yes<\/td><\/tr><tr><td>HDR (high dynamic range)<\/td><td>No<\/td><td>Yes<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Sources: <a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/Media\/Guides\/Formats\/Image_types\">MDN image type guide<\/a> and <a href=\"https:\/\/developers.google.com\/speed\/webp\/\">Google\u2019s WebP docs<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The practical reading:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>For ordinary 8-bit web images<\/strong> (most photos, most UI), WebP and AVIF offer the same feature checklist \u2014 alpha, animation, lossy\/lossless. The decision there comes down to file size and encode cost, not features.<\/li><li><strong>For HDR, 10\/12-bit color, or wide-gamut (P3) imagery<\/strong> \u2014 modern phone photos, design work targeting wide-gamut displays \u2014 <strong>AVIF is the only one of the two that can carry it<\/strong>. WebP tops out at 8-bit and effectively sRGB, so it can\u2019t represent that extra color information at all.<\/li><li><strong>For animation<\/strong>, both beat GIF substantially, and both are viable; AVIF\u2019s frames compress better, but tooling and decode cost favor animated WebP for simple cases.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"browser-support\">Browser support in 2026<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Both formats are now safe to use on the modern web \u2014 the era when AVIF support was spotty is over. Per <a href=\"https:\/\/caniuse.com\/\">caniuse<\/a>:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><\/th><th>WebP<\/th><th>AVIF<\/th><\/tr><\/thead><tbody><tr><td>Global support<\/td><td>~96%<\/td><td>~93%<\/td><\/tr><tr><td>Chrome<\/td><td>32+<\/td><td>85+<\/td><\/tr><tr><td>Firefox<\/td><td>65+<\/td><td>93+<\/td><\/tr><tr><td>Safari (macOS)<\/td><td>16.0+ full (14\u201315 partial)<\/td><td>16.4+ full (16.1\u201316.3 partial)<\/td><\/tr><tr><td>Safari (iOS)<\/td><td>14+<\/td><td>16.4+<\/td><\/tr><tr><td>Edge<\/td><td>18+<\/td><td>121+<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Two things to note. First, <strong>WebP has a longer track record and slightly broader reach<\/strong> \u2014 it landed in browsers years earlier, so older devices that never got AVIF often still handle WebP. Second, <strong>AVIF\u2019s broad support is recent<\/strong>: Chrome shipped it in 2020, but Safari only reached full support in 16.4, and Chromium-based Edge didn\u2019t enable it by default until version 121. If your analytics still show a meaningful tail of older Safari or Edge, that\u2019s the gap a WebP fallback fills.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The standard pattern handles both at once \u2014 the browser picks the first format it understands:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"encode-speed\">Encode speed: AVIF\u2019s main cost<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The flip side of AVIF\u2019s compression is that <strong>it is dramatically slower to encode than WebP<\/strong>. AV1 is a heavy codec, and squeezing out AVIF\u2019s best file sizes means spending real CPU time.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jake Archibald\u2019s <a href=\"https:\/\/jakearchibald.com\/2020\/avif-has-landed\/\">write-up<\/a> captures the range: at a low \u201ceffort\u201d setting an AVIF takes a few seconds, a middle setting \u201ca couple of minutes,\u201d and the maximum-quality effort he used \u201ccan take over 10 minutes to encode a single image.\u201d WebP, by contrast, encodes in a fraction of a second for typical images. Decode (the browser displaying the image) is also somewhat heavier for AVIF, though far less of a concern than encode.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">What this means in practice:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>For a static asset pipeline<\/strong> \u2014 images you encode once at build time and serve millions of times \u2014 AVIF\u2019s encode cost is paid once and amortized away. Spend the CPU; ship the smaller file.<\/li><li><strong>For on-the-fly or high-volume conversion<\/strong> \u2014 user uploads, dynamic resizing, batch jobs under time pressure \u2014 WebP\u2019s speed is a genuine advantage, and the file-size difference may not justify the extra processing time.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">xconvert runs the encode on its servers rather than your machine, so a slow AVIF encode doesn\u2019t tie up your browser \u2014 you upload, the conversion happens server-side, and you download the result.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"decision\">Decision table: which to pick<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Your situation<\/th><th>Pick<\/th><\/tr><\/thead><tbody><tr><td>Image-heavy site, build-time pipeline, bandwidth matters<\/td><td><strong>AVIF<\/strong> (with WebP fallback)<\/td><\/tr><tr><td>HDR, 10\/12-bit, or wide-gamut (P3) source images<\/td><td><strong>AVIF<\/strong> (only option of the two)<\/td><\/tr><tr><td>Need maximum browser reach, including older devices<\/td><td><strong>WebP<\/strong> (or AVIF + WebP fallback)<\/td><\/tr><tr><td>High-volume, on-the-fly, or time-sensitive encoding<\/td><td><strong>WebP<\/strong> (much faster)<\/td><\/tr><tr><td>Simple animation replacing a GIF<\/td><td><strong>WebP<\/strong> (smaller than GIF, easy support)<\/td><\/tr><tr><td>Smallest possible photos, audience controlled<\/td><td><strong>AVIF<\/strong><\/td><\/tr><tr><td>One format, no fallback chain, \u201cjust works\u201d<\/td><td><strong>WebP<\/strong><\/td><\/tr><tr><td>Best practice for a public production site<\/td><td><strong>AVIF first, WebP fallback, JPG last<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The short version: <strong>default to AVIF when you can afford the encode and want the smallest files (especially with HDR\/wide-gamut content), and reach for WebP when speed, simplicity, or the widest compatibility wins.<\/strong> Serving both via <code>&lt;picture&gt;<\/code> gives you AVIF\u2019s size with WebP\u2019s reach.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"tool\">Convert and compress with xconvert<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">xconvert handles both formats server-side \u2014 files upload over an encrypted connection, get processed on our servers, and are deleted automatically after a few hours.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong><a href=\"https:\/\/www.xconvert.com\/compress-webp\">Compress WebP<\/a><\/strong> \u2014 shrink static or animated WebP with quality and target-size controls.<\/li><li><strong><a href=\"https:\/\/www.xconvert.com\/compress-avif\">Compress AVIF<\/a><\/strong> \u2014 reduce AVIF file size with quality presets or an exact target size.<\/li><li><strong><a href=\"https:\/\/www.xconvert.com\/convert-webp-to-avif\">WebP to AVIF<\/a><\/strong> \u2014 re-encode existing WebP assets to AVIF to squeeze out the extra savings.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">For the broader \u201cshould I move off JPG\/PNG at all?\u201d decision and where each legacy format still wins, see <a href=\"https:\/\/www.xconvert.com\/blog\/png-vs-webp-vs-jpg\">PNG vs WebP vs JPG<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faq\">FAQ<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"faq-avif-better\">Is AVIF actually better than WebP?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">For file size and color features, generally yes \u2014 AVIF produces smaller files at the same perceived quality (often roughly half the size of WebP for typical web photos at web quality) and uniquely supports HDR, 10\/12-bit depth, and wide color gamut. WebP\u2019s advantages are speed (much faster to encode), maturity, and slightly broader browser reach. \u201cBetter\u201d depends on whether you\u2019re optimizing for bytes (AVIF) or for encode speed and compatibility (WebP).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"faq-smaller\">Which compresses smaller, AVIF or WebP?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">AVIF, in most cases, especially at the low-to-medium quality settings used for web delivery \u2014 single-image tests commonly show AVIF at roughly 50% the size of an equivalent WebP. The gap narrows at near-lossless quality, and for some high-detail textures WebP can occasionally match it, so the savings are content-dependent rather than fixed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"faq-slow-encode\">Why is AVIF so slow to encode?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Because AVIF is built on the AV1 video codec, which uses computationally expensive prediction and transform tools to achieve its compression. High-quality AVIF encoding can take seconds to minutes per image, versus a fraction of a second for WebP. This is fine for build-time asset pipelines (encode once, serve forever) but a real cost for on-the-fly conversion. Running the encode server-side, as xconvert does, keeps it off your own machine.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"faq-alpha-animation\">Do AVIF and WebP support transparency and animation?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yes \u2014 both support an alpha channel for transparency and both support animation, and both beat their legacy equivalents (PNG alpha, GIF animation) on file size. The feature difference is in color: AVIF adds HDR, 10\/12-bit depth, and wide gamut; WebP is limited to 8-bit.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"faq-webp-obsolete\">Is WebP obsolete now that AVIF exists?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No. WebP is still widely used and is the right pick when encode speed matters, when you want one format without a fallback chain, or when you need the broadest compatibility. The common production pattern is to serve AVIF <em>and<\/em> WebP together via <code>&lt;picture&gt;<\/code>, so WebP remains the dependable fallback for browsers or devices that don\u2019t support AVIF.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"faq-browser-2026\">Can every browser display AVIF in 2026?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Almost \u2014 AVIF support sits around 93% globally per caniuse, covering current Chrome (85+), Firefox (93+), Safari (16.4+), and Edge (121+). The tail is older Safari and Edge versions. WebP\u2019s ~96% reach is slightly broader because it shipped years earlier. A WebP (or JPG) fallback covers the remainder.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"faq-webp-to-avif\">Should I convert my existing WebP images to AVIF?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">It can be worth it for bandwidth-heavy sites \u2014 re-encoding WebP to AVIF often trims file size further with no visible quality difference. Keep the WebP versions as a fallback rather than deleting them. You can batch-convert with <a href=\"https:\/\/www.xconvert.com\/convert-webp-to-avif\">WebP to AVIF<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Sources<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Last verified 2026-06-17.<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/caniuse.com\/avif\">Can I Use \u2014 AVIF browser support<\/a> and <a href=\"https:\/\/caniuse.com\/webp\">WebP browser support<\/a> \u2014 current global support percentages and per-browser versions.<\/li><li><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/Media\/Guides\/Formats\/Image_types\">MDN \u2014 Image file type and format guide<\/a> \u2014 AVIF\/WebP codecs, container, color depth, HDR, alpha, animation support.<\/li><li><a href=\"https:\/\/aomedia.org\/\">Alliance for Open Media<\/a> \u2014 AV1 codec origin and consortium (AV1 spec finalized 2018).<\/li><li><a href=\"https:\/\/developers.google.com\/speed\/webp\/\">Google Developers \u2014 WebP<\/a> \u2014 WebP lineage (VP8), feature support, and JPEG\/PNG size comparisons.<\/li><li><a href=\"https:\/\/jakearchibald.com\/2020\/avif-has-landed\/\">Jake Archibald \u2014 AVIF has landed<\/a> \u2014 per-image AVIF vs WebP file-size and encode-speed comparisons.<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>AVIF vs WebP compared: compression, quality, encode speed, browser support, features. Which next-gen image format is smaller, and which should you pick.<\/p>\n","protected":false},"author":3,"featured_media":745,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,14],"tags":[],"class_list":["post-746","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-how-to-guides","category-tools"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>AVIF vs WebP: The Next-Gen Image Formats, Head-to-Head<\/title>\n<meta name=\"description\" content=\"AVIF vs WebP compared: compression, quality, encode speed, browser support, features. 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