JPG to WebP Converter

Convert your JPG images to WebP format instantly. Adjust compression quality to optimize file size.

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WebP is Google's image format, and its lossy mode typically beats JPG by 25-35% at equivalent visual quality — the single biggest reason sites convert their JPG images to WebP. Since 2020, every major browser renders it natively, so there's no real compatibility trade-off left for web use.

JPG vs WebP: what actually changes

  • Compression: WebP's lossy mode uses more modern prediction techniques than JPG's older DCT approach, giving smaller files at the same visual quality.
  • Core Web Vitals: Smaller image payloads directly improve Largest Contentful Paint (LCP) — a real Google ranking factor.
  • Browser support: Full support in Chrome, Firefox, Edge, and Safari since 2020. No fallback needed for modern audiences.
  • When to keep JPG: Legacy software, some email clients, and certain print/design tools still expect JPG — keep originals if you need broad non-web compatibility.

How to convert JPG to WebP

  1. Upload: Drag and drop your JPG files.
  2. Set quality: 75-85% is the sweet spot for most photos; go to 90%+ for hero images where quality matters most.
  3. Convert: Runs locally via WebAssembly.
  4. Download: Individually or as a ZIP.

Frequently Asked Questions

How much smaller is WebP than JPG?

Google's own benchmarks put lossy WebP at roughly 25-35% smaller than a comparable-quality JPG. Real-world savings vary by image content, typically landing in the 20-40% range.

Do all browsers support WebP?

Yes, as of 2020 all major browsers — Chrome, Firefox, Edge, Safari — support WebP natively. It's safe to use for web images without a fallback in almost all modern contexts.

What quality setting should I use?

75-85% is the sweet spot for most web photography — visually close to the original JPG at a meaningfully smaller file size. Go to 90%+ only for hero images where quality matters most.

Is it safe to use this browser-based tool?

Yes. All processing happens locally via WebAssembly — photos are never uploaded to a server.