Login

Image Compressor

Select Images by pressing Choose Files button, Compress & Reduce JPG/JPEG Image Size by pressing Compress Images button.

75%

画像はデバイス内でのみ処理されます。

ここに画像をドロップ

オンラインで JPEG/JPG 画像を圧縮する手順

このツールは、PNG、WebP、GIF、ICO、およびその他の画像を圧縮します。

JPG/JPEG 画像を最適化する方法

Optimizing images results to improve the loading speed of a webpage or a webapp which can also helps you to save your server storage and bandwidth.

If you are looking for image optimizer for serving photos on a web page, Compressjpg.net do this well! You should check the Optimize Image option and rest of the setting will be automatically applied as per Google Recommendations to Optimize JPG, JPEG, PNG, GIF Images

画像の最適化オプションを true に選択すると、画像をロスレスで圧縮できるようになります。

JPG 対 JPEG

画像拡張子が .JPG として表示されたり、.JPEG 形式として表示されたりしたことがあるかもしれません。

Both the extensions are for same format, You should not confuse yourself with these two formats. Both JPG and JPEG stands for Joint Photographic Experts Group, The orgasination that created the image compression standard.

Because in the previous years, file formats are often denoted by 3 characters that's why JPG was used to call for JPEG image formats. But JPEG is modern abbrevation for JPEG Images.

よくある質問

ここで圧縮できる画像の種類

Using compressJPG.net, You can compress JPG, JPEG, PNG, WebP, GIF, ICO, AVIF, HEIC, HEIF and BMP images in bulk and for free, without any limits. Most of the known images formats are easily compressed.

画像形式を変更する方法

Before selecting the images, you can set the output compressed image format in advance options tab. Like you can get compressed image into PDF format by selecting PDF option.

画像のサイズを変更できますか

You can also resize image here by specifying either the width or height you want to obtain, we will automatically preserve the aspect ratio this option is best for batch resizing and bulk compressing simultaneously. Enter the both values if you want your image to resize in a specific dimensions. You can easily resize images in bulk here

画像にフィルターを適用できますか

Yes. After selecting or dropping images, You can select the specific filter for your image, it will be applied to your compressed image.

画像をグレースケールに変換する方法

You can tick the "Convert Image into B/W" option to convert your compressed images into black and white.

画像が保存される期間

All images and data you upload here are automatically deleted after 10 minutes for user security.

画像を最適化する方法

Using compressjpg.net, you can optimize JPEG, JPG, PNG, WEBP, BMP and GIF images just by selecting quality to 80 and without any advance option. So on quality 80 JPEG compressor works as an JPEG optimizer.!

compressjpg.net は無料ですか

はい、すべてのユーザーが完全に無料です。

圧縮の仕組み

JPG and JPEG, both are lossy formats for image compression, So their file size can be reduced by removing some minimal image data such as date taken, location and device used etc.


その他のツール