PNGをWebPへ
PNGをWebPに変換 — 無料オンラインPNG to WebP
PNGファイルはウェブには大きすぎることがあります。PNGをWebPに変換すると、透明度とシャープなエッジを保ったままサイズを大幅に削減 — すべてブラウザ内、アップロード・登録不要。PNGをドロップ、即座により小さいWebPを取得。
Why use this png to webp tool?
Convert PNG to WebP while preserving transparency
Up to 3x smaller than PNG for graphics with transparency
Batch convert multiple PNGs at once
Quality slider for optimal size/quality
100% local processing — fully private
Free, no watermark, no signup
Frequently Asked Questions
Does WebP support transparency like PNG?
Yes. WebP supports full alpha-channel transparency, so converting PNG to WebP preserves transparent areas while dramatically reducing file size.
How much smaller is WebP than PNG?
For images with transparency, WebP can be up to 3x smaller than PNG. For flat graphics the reduction is often even greater.
Is PNG to WebP conversion free?
Yes, completely free with no watermark, signup, or file limits. All conversion happens locally in your browser.
Will I lose quality converting PNG to WebP?
At high quality settings there is no visible quality loss. Use the comparison slider to verify the result before downloading.