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Convert any image format to AVIF online for free. We support JPG, PNG, HEIC, WebP, GIF, BMP and TIFF inputs. Download AVIF output instantly. Works in Chrome 101+ and Firefox 113+. No signup, no software, no watermarks.
AVIF is the most efficient image format available for web delivery — up to 50 percent smaller than JPG at the same quality. This tool converts any image format to AVIF in one batch for maximum web performance.
All conversion runs in your browser. Your files are never uploaded to a server. AVIF output requires Chrome or Firefox.
AVIF delivers the best compression available for web images. This tool converts any format to AVIF in one batch.
Converting all existing image assets to AVIF — regardless of their current format — is the highest-impact single step for reducing image payload. This tool handles the full mixed batch in one session.
Product image libraries contain JPGs, PNGs and HEICs from different sources. Converting everything to AVIF for web delivery reduces image payload by 30 to 50 percent versus JPG, directly improving page speed and Core Web Vitals.
PWA asset libraries built over time contain images in mixed formats. Converting all of them to AVIF — with PNG or WebP fallbacks for unsupported browsers — reduces app shell weight and improves loading performance on first install.
Quick answers about how this tool works and how to get the best results.
AVIF output relies on a built-in encoder included with the browser. Chrome and Firefox include AVIF encoders; Safari currently does not include one, which is why AVIF output is not available in Safari.
JPG, PNG, HEIC, WebP, GIF, BMP, TIFF, TIF, JFIF and AVIF. All are decoded and re-encoded as AVIF.
Yes. Set a global quality in the toolbar or override per image in each file row.
Yes. Everything runs in your browser. Your files are never uploaded to any server.