ウェブサイト用に画像を圧縮
高速読み込み用に画像を最適化。
サイト速度はSEOランキングに直接影響。WebPやAVIFに圧縮して80%小さく、品質劣化なし。数百枚一括処理。
使い方
- 1
Upload your image file — supports JPEG, PNG, WebP, and HEIC formats.
- 2
Adjust the quality slider to find the ideal balance between file size and visual quality.
- 3
Preview the result in real-time — compare before and after side by side.
- 4
Download the compressed image to your device — no data is sent to any server.
一般的な使用例
Website performance optimization
Compress images before uploading to your website to improve page load speed, Core Web Vitals, and SEO rankings.
Email and messaging
Reduce photo sizes to fit within email attachment limits and send faster over messaging apps.
Document and form submissions
Many online forms and government portals have strict file size limits. Compress to meet exact requirements.
Allplix を選ぶ理由
- 100%無料、登録・透かし不要
- ブラウザ処理 — ファイルはプライベート
- モバイル・タブレット・デスクトップ対応
- ソフトウェアのインストール不要
- 60以上のプロツール
FAQ
Should I use WebP or AVIF for my website?
WebP has 97% browser support and offers ~30% smaller files than JPEG. AVIF offers ~50% savings but has 92% browser support. Use WebP with AVIF as a progressive enhancement.