画像圧縮ツール
ブラウザで画像をオンライン圧縮します。品質を保ちながら画像ファイルサイズを削減します。
画像をアップロード
ここに画像をドラッグ&ドロップ
複数の画像を選択
機能紹介
The Image Compressor tool lets you reduce image file size directly in your browser while preserving visual quality. It is ideal for preparing images for websites, apps, emails, and social media without sacrificing clarity.
このツールを使うタイミング
Use this tool whenever you need to optimize images: speeding up website loading, shrinking screenshots for documentation, compressing photos for email, or reducing storage usage on devices.
使い方
Upload your images
Click the upload button or drag and drop one or more images into the tool. Common formats like JPG, PNG, and WebP are supported.
Choose compression settings
Adjust quality or compression level based on your needs: higher quality for detailed photos, stronger compression for icons or UI screenshots.
Preview before downloading
Compare file sizes and visual quality so you can pick a balance that works for your use case.
Download optimized images
Save the compressed images and use them directly in your website, presentations, or documents.
使用例
Speeding up a landing page
Compress hero banners and product photos before uploading them to your site to reduce page weight and improve Core Web Vitals.
Preparing attachments for email
When email providers reject large screenshots or photos, compress them here to stay under attachment size limits without manually resizing.