JPG to AVIF Converter

Convert JPEG images to AVIF for the smallest possible file sizes with superior quality. AVIF can be up to 50% smaller than JPEG. LessMB converts locally in your browser.

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JPG · PNG · WebP · GIF · AVIF · SVG

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Como funciona

JPG to AVIF Converter para fluxos privados no navegador

Up to 50% smaller than JPEG

AVIF uses AV1-based compression that significantly outperforms JPEG, producing smaller files at equal or better visual quality.

Growing browser support

AVIF is supported in Chrome, Firefox, Safari and Edge. It is the most efficient widely-supported image format available.

Local conversion

Your JPEG is decoded and re-encoded as AVIF entirely in your browser. No server upload is needed.

Usos comuns

Use AVIF when file size is the top priority and target browsers support the format.

Maximum compression

Convert large hero and banner images to AVIF for dramatic page speed improvements.

Hero images

Serve AVIF with JPEG fallback for the best performance across all browsers.

Progressive enhancement

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FAQ

JPG to AVIF Converter Perguntas frequentes

Respostas para as perguntas mais comuns sobre esta ferramenta, fluxos compatíveis e processamento local.

Sem uploadGrátisNo navegador
Is AVIF better than WebP?

AVIF typically produces 10-20% smaller files than WebP at equivalent quality, but WebP has slightly broader legacy support.

Is converting JPG to AVIF free?

Yes. LessMB converts JPG to AVIF for free in your browser without requiring an account.

Are files uploaded?

No. Conversion runs locally in your browser session.