Compress WebP Files

Further compress WebP images for peak web performance — transparency and animation support preserved.

Files automatically deleted after 1 hour
256-bit SSL encrypted connection
100% Free. No watermarks.

Key Benefits

  • Squeezes extra 30-60% from already-efficient WebP files
  • Supports lossy, lossless, and animated WebP
  • Transparency (alpha channel) fully preserved
  • Directly improves Core Web Vitals LCP scores
  • No signup — instant optimization results

💡 Why Use This?

  • Optimize WebP hero images for landing page speed
  • Compress CMS-generated WebP thumbnails for blog posts
  • Reduce WebP exports from Figma or Canva for production use
  • Improve Google PageSpeed score by further compressing WebP assets
  • Shrink animated WebP files for faster loading
  • Prepare WebP images for Next.js or Gatsby image optimization pipelines

WebP の圧縮方法

1

アップロード

WebP を選択します。

2

圧縮

自動で縮小されます。

3

ダウンロード

すぐにダウンロード。

Why Compress WebP Files?

WebP is Google's modern image format designed for the web — it's already 25-35% smaller than equivalent JPEG and PNG files. But that doesn't mean every WebP is optimally compressed. Image editors, CMS platforms, and screenshot tools often export WebP at unnecessarily high quality settings. Our compressor applies format-aware optimization to squeeze an additional 30-60% reduction from WebP files, directly improving your Largest Contentful Paint (LCP) score.

How WebP Compression Works

WebP supports both lossy (VP8-based) and lossless compression modes. For lossy WebP, our engine fine-tunes the VP8 quantization parameters to find the optimal quality-to-size ratio — typically q75-q85 produces visually lossless results at 40-50% smaller than the original. For lossless WebP, we apply predictive filtering and entropy coding optimizations. Animated WebP files are handled frame-by-frame with inter-frame deduplication.

WebP in the Modern Web Stack

As of 2026, WebP is supported by 97%+ of browsers globally. Google's PageSpeed Insights specifically recommends serving images in WebP format. If you're building websites, compressing your WebP files with our tool and serving them via CDN is one of the highest-impact performance optimizations you can make — often improving LCP by 200-500ms.

超高速

クラウド処理で数秒で結果をお届け。

🔒

銀行レベルのセキュリティ

256ビットSSL暗号化。すべてのファイルは1時間後に自動削除。

100%無料

隠れた費用なし、登録不要。即座にファイルを圧縮。

よくある質問

Can WebP files be compressed further?

Yes. Most WebP files exported from design tools or CMS platforms use conservative settings. Our compressor typically achieves an additional 30-60% reduction on top of WebP's built-in efficiency.

Does WebP compression affect image quality?

Our default settings produce visually lossless results — the difference is invisible at normal viewing distances. For images already at low quality, we apply gentler compression to avoid artifacts.

Is WebP better than JPEG?

For web use, yes. WebP produces 25-35% smaller files than JPEG at equivalent quality, supports transparency (unlike JPEG), and supports animation (unlike JPEG). All modern browsers support WebP as of 2026.

Can I compress animated WebP files?

Yes. Our tool processes each frame of animated WebP files individually, applying inter-frame optimization to remove redundant data between frames. Animation timing and quality are preserved.

Will transparency be preserved?

Absolutely. WebP's alpha channel is fully preserved during compression. Your transparent logos, overlays, and UI elements will work exactly as before.

How does WebP compression help SEO?

Google's Core Web Vitals directly impact search rankings. Smaller images improve Largest Contentful Paint (LCP) — often the single biggest factor in page speed scores. Compressing WebP images is one of the fastest ways to improve your PageSpeed score.

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