JPG to WebP Converter

Convert JPEG images to WebP for significantly smaller file sizes with equal or better visual quality. LessMB processes the conversion locally in your browser.

ファイルをここにドロップ、または

ファイルは端末内に残ります

JPG · PNG · WebP · GIF · AVIF · SVG

アップロード不要完全無料ブラウザ内で動作
仕組み

JPG to WebP Converter ブラウザ内のプライベートな作業向け

25-35% smaller than JPEG

WebP uses modern compression that produces significantly smaller files than JPEG at equivalent visual quality, improving page load times.

Supported by all modern browsers

WebP is supported in Chrome, Firefox, Safari, Edge and all major mobile browsers. It has become the standard web image format.

Local conversion

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

よくある用途

Convert photos to WebP for faster page loads and better Core Web Vitals scores.

Website optimization

Reduce CDN and hosting bandwidth costs by serving WebP instead of JPEG.

Bandwidth savings

Use WebP for progressive web apps and modern frameworks that support next-gen formats.

Modern web apps
FAQ

JPG to WebP Converter よくある質問

このツール、対応ワークフロー、ローカル処理についてのよくある質問です。

アップロード不要無料ブラウザ内処理
Is converting JPG to WebP free?

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

How much smaller is WebP than JPG?

WebP is typically 25-35% smaller than JPEG at equivalent visual quality, though savings vary by image content.

Are files uploaded?

No. Conversion runs locally in your browser session.