画像のサイズ変更について
画像をさまざまな寸法に合わせてサイズ変更します。
- 入力
- JPG, PNG, WebP, GIF, SVG
- 出力
- Download the result in the format shown beside its filename. Batch ZIP is available only where the result area offers it.
- 処理
- The current implementation processes the selected files on this device. Processing libraries, language data or models may be downloaded separately; these resource requests do not require uploading the selected file.
- 制限と動作
- Pixel and percentage modes are available. Keeping the aspect ratio changes the other dimension automatically. File capacity depends on device memory and input encoding. Large or unsupported files can fail; encrypted PDFs may need to be unlocked before use. There is no site-wide file-size guarantee.
Available settings and defaults
- サイズ変更方法: Default ピクセル単位でサイズ変更 · Choices: ピクセル単位でサイズ変更 · パーセンテージでサイズを変更する
- アスペクト比を維持: Default On
- ディメンションタイプ: Default 幅を設定する · Choices: 幅を設定する · 高さの設定
- 幅(ピクセル単位): Default 800
画像のサイズ変更の使い方
- Choose a supported file, or add and order files when the tool supports multiple inputs.
- Review the settings, then select Start processing. Wait for the result or a visible error.
- Check the result and download the output. Adjust settings and process again if needed.
画像のサイズ変更に関する質問
What input does 画像のサイズ変更 accept?
JPG, PNG, WebP, GIF, SVG
How do I save the result from 画像のサイズ変更?
Download the result in the format shown beside its filename. Batch ZIP is available only where the result area offers it.
What limitations should I know about?
Pixel and percentage modes are available. Keeping the aspect ratio changes the other dimension automatically. File capacity depends on device memory and input encoding. Large or unsupported files can fail; encrypted PDFs may need to be unlocked before use. There is no site-wide file-size guarantee.
Where does processing happen?
The current implementation processes the selected files on this device. Processing libraries, language data or models may be downloaded separately; these resource requests do not require uploading the selected file.
Implementation notes reviewed: 2026-10-25