ImageTool Pro
Free Image Resizer

Resize Image to Any Size

Resize images to any dimension with professional-quality results.

Lanczos-3 resampling for sharp results Keep or change aspect ratio Batch resize multiple images No upload - 100% browser-based

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すべてのリサイズプリセット

5 カテゴリにわたる 52 の定義済みサイズから選択、またはエディタでカスタム寸法を設定。

すべての形式 JPEGPNGGIFWEBPHEICJPG

このツールについて

Resize your images to any dimension with our free online tool. Whether you need to make images smaller or larger, our Lanczos-3 resampling ensures the best quality results.

機能

Lanczos-3 リサンプリング

The highest quality resampling method for sharp, clear results when resizing images.

アスペクト比コントロール

Choose to maintain the original aspect ratio or stretch to fit exact dimensions.

一括処理

Resize multiple images at once to save time.

形式オプション

Output in JPEG, PNG, WebP, or keep the original format.

使い方

01

画像をアップロード

Drag and drop or click to select the image(s) you want to process.

02

寸法を設定

Enter the target width and height or choose from preset sizes.

03

設定を調整

Configure resampling method, aspect ratio, and output format.

04

ダウンロード

Click the download button to save your processed image.

よくある質問

Will resizing reduce image quality?
Some quality change is inevitable when resizing, but Lanczos-3 resampling minimizes it. For best results when enlarging, use the highest-resolution source image available.
複数の画像を一括で target dimensions にリサイズできますか？
Yes! Upload multiple images and resize them all to target dimensions at once, saving significant time.
モバイルでこのリサイズツールを使えますか？
Absolutely! Our tool runs entirely in the browser and works on mobile devices. You can resize images directly on your phone or tablet.
このリサイズツールは無料ですか？
Yes, this resize tool is completely free with no signup required, no watermarks, and no usage limits.
画像をリサイズする際、データは安全ですか？
Absolutely safe! All image processing happens in your browser. Your images are never uploaded to any server.

Resize Your Image Now

Free, fast, and private image resizing right in your browser.

画像をアップロード

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