JPG in WebP konvertieren

Was ist JPG in WebP konvertieren?

Berechnung

1. Drag your JPG or JPEG files onto the converter area, or click to browse and select files.
2. The converter reads your images locally using the browser's FileReader API.
3. Click "Convert" — each image is rendered to an HTML canvas and exported as 90% quality WebP.
4. Download each WebP file individually, or click "Download All" to batch-download everything.
5. Replace your original JPG files with the WebP versions to improve website load times.

Hauptvorteile

• Up to 30% smaller file sizes than equivalent JPEG — faster loading websites and apps
• Maintained quality at 90% WebP compression — visually identical to high-quality JPEG
• Improves Google PageSpeed and Core Web Vitals scores — better SEO and user experience
• Complete privacy — your images never leave your device or browser
• Batch convert entire image libraries simultaneously for free
• Free forever with no watermarks, file size limits, or subscriptions

Häufige Anwendungsfälle

• Web developers optimizing image-heavy websites for faster load times and better SEO
• E-commerce sites reducing product image file sizes to improve mobile page speed
• Bloggers and content creators converting article images to WebP for faster loading
• Web designers preparing image assets for modern, performance-focused websites
• App developers reducing app bundle size by converting image assets to WebP

Wichtige Begriffe erklärt

WebP

Google's image format using advanced compression to achieve 25–34% smaller files than JPEG at equivalent quality

Core Web Vitals

Google's metrics for measuring web page user experience — image format affects LCP (Largest Contentful Paint)

LCP (Largest Contentful Paint)

A Core Web Vital that measures how long the largest visible image takes to load — smaller WebP files improve this score

Compression ratio

The ratio between original and compressed file sizes — WebP typically achieves ratios of 1.3:1 compared to JPEG

next/image

Next.js's image optimization component that automatically serves WebP to supported browsers

Professionelle Tipps

• Use <picture> element in HTML to serve WebP to modern browsers with JPEG as fallback for old ones
• Next.js, Nuxt, and SvelteKit all have built-in image optimization that automatically converts to WebP
• For maximum compression, convert to WebP AND resize to the exact display dimensions — avoid loading 2000px images to display at 400px
• WebP's size advantage is most significant for photographic content — for simple graphics, the difference may be smaller
• Test your converted WebP in Safari if targeting iOS users — Safari 14 added WebP support but older iPhones still running iOS 13 don't support it