Image Compressor
Compress and resize images in your browser. Nothing is uploaded to a server.
Select Image
Drag & drop an image, or click to select
Supports JPEG, PNG, and WebP
How to Use
Drag and drop or click to select an image file. Set quality, max width, and max height, then download the compressed result.
How It Works
Images are resized using the browser Canvas API and re-encoded in JPEG format for compression. All processing is completed within the browser.
よくある質問
画質はどの程度落ちますか？
対応している画像形式は何ですか？
入力データはサーバーに送信されますか？
スマートフォンでも使えますか？
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