画質を保ったままサクサク軽くなる!無料オンライン画像圧縮ツールの使い方
Webサイトやブログの重い写真を瞬時に最適化し、ページの表示速度を劇的に改善しましょう。
品質を維持しながら画像を圧縮してファイルサイズを縮小します。JPEG、PNG、WebP形式に対応しています。
品質を維持しながら画像を圧縮してファイルサイズを縮小します。JPEG、PNG、WebP形式に対応しています。
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An Image Compressor reduces image file sizes while maintaining visual quality, making images faster to load on websites and easier to share.
Upload your image and select the desired compression level. Download the compressed version when ready.
An Image Compressor is a tool that reduces the file size of digital images by removing unnecessary data while maintaining the highest possible visual quality.
It works by analyzing the image data and finding patterns or redundant information. Depending on the method, it either reduces the number of colors, removes metadata, or discards subtle details that are less noticeable to the human eye.
Lossy compression permanently removes some data to create smaller files (e.g., JPEG), resulting in a slight quality drop. Lossless compression retains all original data, allowing the image to be reconstructed perfectly, though the file size reduction is less significant (e.g., PNG).
Most compressors support standard formats including JPEG, PNG, WebP, and GIF. Some tools also support TIFF and BMP.
Not necessarily. Standard image compression reduces file size (KB/MB) without changing the pixel dimensions (width x height). However, 'Resize' options can be used to change dimensions if desired.
Yes, if the tool runs locally in your browser (client-side), your images are never uploaded to a server, ensuring complete privacy.
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