画像リサイズ
画像を任意のサイズに変更。
ファイルをドラッグ＆ドロップ、またはクリックして選択
How to Use
- 1
Upload your image by clicking the upload area or dragging and dropping a file.
- 2
Enter the target width and height, or choose a preset size. Enable the aspect ratio lock to scale proportionally.
- 3
Download the resized image in your chosen format.
Features
Aspect Ratio Lock
Lock the aspect ratio to automatically calculate the correct height when you change the width, and vice versa.
Preset Sizes
Choose from common presets like HD (1920×1080), Instagram square, and more for quick resizing.
Format Choice
Export your resized image as JPEG, PNG, or WebP to match your needs.
Browser-Based
All resizing is done locally using the Canvas API. Your images never leave your device.
FAQ
対応画像形式は？
JPEG、PNG、WebPなど主要な形式に対応。
アスペクト比を維持できますか？
はい、ロックトグルで自動計算されます。