画像圧縮
見た目の画質をほぼ落とさずにJPG・PNG・WebP画像を圧縮します。
ここに画像をドロップ
or click to browse
このツールの使い方
- 1
Upload a JPG, PNG, or WebP image.
- 2
Adjust the quality slider to preview the size reduction, then click "Compress Image".
- 3
Click Download to save the compressed image.
よくある質問
How much smaller will my image get?+
It depends on the image and quality setting — typically 40-80% smaller with no visible difference.
Does compression change the image dimensions?+
No, only file size is reduced; dimensions stay the same.
Is the image uploaded to compress it?+
No, compression runs entirely in your browser.