Krunkit

Convert Image to AVIF

Convert any image to AVIF — the most efficient image format. Up to 50% smaller than JPG.

Drop images here or click to browse (up to 10)

JPEG, PNG, WebP, AVIF up to 50MB each

Why Convert to AVIF?

Best Compression

AVIF achieves 40-50% smaller files than JPG and 20-30% smaller than WebP.

Superior Quality

AVIF handles gradients, textures, and fine details better than older formats.

Modern Standard

Backed by the Alliance for Open Media. Growing adoption across the web.

Rich Features

Supports transparency, HDR, wide color gamut, and 10/12-bit depth.

AVIF Conversion for Industry Professionals: Maximum Compression Without Compromise

Photographers and visual artists converting to AVIF gain access to features no other web format provides. AVIF supports 10-bit and 12-bit color depth, enabling HDR imagery on compatible displays. A landscape photograph that exhibits banding in 8-bit JPEG gradients — particularly visible in dawn and dusk skies — renders smoothly in AVIF's expanded tonal range. For photographers selling digital prints or licensing images to publications with HDR-capable layouts, AVIF preserves creative intent that JPEG physically cannot represent.

E-commerce operations see the most immediate ROI from AVIF conversion. Product imagery typically features a primary subject against a clean background — exactly the content pattern where AVIF's intra-prediction excels. A 1200x1200 product photo that weighs 200 KB as JPEG drops to 80-100 KB in AVIF at equivalent visual quality. For a marketplace with 50,000 product listings averaging 6 images each, this translates to roughly 30 GB of storage savings and proportionally reduced CDN costs.

News publishers and content-heavy platforms operate under intense Core Web Vitals pressure where every kilobyte impacts search ranking. The Washington Post, The Guardian, and Netflix's tech blog have publicly documented AVIF adoption in their image pipelines. Converting to AVIF reduced their image payload by 40-50% compared to optimized JPEG, contributing directly to Largest Contentful Paint (LCP) improvements that boosted their search performance metrics.

Architects, interior designers, and real estate professionals work with large, detailed images where AVIF's efficiency shines brightest. A 4000x3000 pixel architectural rendering weighing 1.8 MB as JPEG at quality 85 converts to approximately 700 KB in AVIF at visually equivalent quality. Virtual tour platforms serving 50-100 such images per property listing achieve dramatically faster load times, directly improving the user experience that drives client engagement and property inquiries.

Pro Tips

  • Use AVIF quality 45-55 for photographic web content

    AVIF's quality scale is compressed compared to JPEG — quality 50 in AVIF produces results visually comparable to JPEG quality 82-85. Start at 50 and adjust based on Krunkit's live comparison slider to find the minimum acceptable quality for your specific content.

  • Implement content negotiation to serve AVIF only to supported browsers

    Use the HTTP Accept header to detect AVIF support. Modern CDNs like Cloudflare and Fastly can automate this: serve AVIF to Chrome 85+, Firefox 93+, and Safari 16.4+, and fall back to WebP or JPEG for older browsers. This maximizes compression without sacrificing reach.

  • Batch convert static site assets during the build step

    For Next.js, Nuxt, or Astro projects, convert all images to AVIF during the build pipeline rather than at runtime. This front-loads the encoding time cost (2-5 seconds per image) to a one-time build step, while users benefit from near-instant decoding of pre-optimized AVIF files.

Frequently Asked Questions

What formats can I convert to AVIF?

JPG, PNG, and WebP images can all be converted to AVIF.

Is AVIF ready for production use?

Yes. Chrome, Firefox, and Safari 16+ support AVIF. Consider providing fallbacks for older browsers.

Why is AVIF encoding slower?

AVIF uses advanced algorithms from the AV1 codec. Better compression requires more computation, but the file size savings are significant.

Is this converter private?

Yes. Your images are processed entirely in your browser. Nothing is uploaded to any server.