PNGをWebPにオンラインで変換 — 次世代軽量画像

Convert heavy PNG images into lightweight next-gen WebP format.

Drop PNG images here to convert to WebP

Modernize PNG graphics into ultra-compact .webp format

ファイルキュー 0 images 0 B
100%クライアントサイドサンドボックス
W3C Canvas 2D & EXIF Compliant

使用方法 PNGをWebPに変換

1

選択してアップロード

Drop your PNG files into the upload workbench.

2

設定とプレビュー

Choose between Lossless WebP or Lossy WebP with custom quality compression.

3

処理とダウンロード

Click 'Convert to WebP' to download lightweight, web-optimized images.

技術アーキテクチャとクライアント側のプライバシー

Processing Engine Browser Canvas 2D & Binary Transcoder
Privacy Model 100% In-Memory Sandbox · Zero Server Uploads
Format Standards PNG, JPEG, WebP, SVG, ICO Specifications
Execution Speed Zero Network Latency · Instant Local Output

Frequently Asked Questions

How much smaller is WebP compared to PNG?

Lossless WebP is typically 26% smaller than PNG, and lossy WebP can reduce file size by 60%–80% with virtually no visible difference.

Does WebP support transparency like PNG?

Yes. Both lossy and lossless WebP support full 8-bit alpha transparency channels.

Are all major browsers compatible with WebP?

Yes. Chrome, Safari, Firefox, Edge, and mobile browsers all provide native, hardware-accelerated WebP support.