FormatFlow

AVIF vs JPG — Which Image Format Should You Use?

AVIF cuts file sizes in half. JPG works everywhere. Here's the complete comparison with real-world benchmarks to help you choose.

Convert Between AVIF and JPG

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The Short Answer

AVIF is the better format technically — 50% smaller files, superior compression, transparency support, HDR. But JPG has been the universal standard for 30 years and works literally everywhere. Use AVIF for web delivery to modern browsers. Use JPG when universal compatibility is essential.

AVIF vs JPG — Feature-by-Feature Comparison

FeatureAVIFJPGWinner
File size (same quality)~50% smallerBaselineAVIF
Visual quality at low bitrateExcellent — minimal artifactsPoor — visible blockingAVIF
Encoding speedSlow (5-10x slower)Very fastJPG
Decoding speedFast (comparable)Very fastJPG (slightly)
TransparencyYes (alpha channel)NoAVIF
HDR / Wide Color GamutYes (10/12-bit)No (8-bit only)AVIF
AnimationYesNoAVIF
Lossless modeYesNo (see PNG)AVIF
Progressive loadingNoYes (progressive JPG)JPG
Browser support95%+ of users (2022+)100% of usersJPG
Software supportLimited but growing fastUniversalJPG
Email clientsVery few support itAll support itJPG
Social mediaNot accepted for uploadAccepted everywhereJPG
SEO impact (Core Web Vitals)Significant improvementBaselineAVIF
Royalty-freeYesYesTie
Specification maturityRelatively new (2019)Mature (1992)JPG

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