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画像リサイザー
Image画像サイズを変更。
ttb run image-resizer
サイズ変更する画像をアップロード
このツールを共有:
画像リサイザー の使い方
Upload your image using the file picker or drag-and-drop area at the top of the tool. Resize images to exact pixel dimensions with preset sizes for common platforms. Adjust settings to your liking, then preview the result in real time. When you're satisfied, click Download to save the processed image. Everything runs locally in your browser — your images are never uploaded to any server.
1
Upload your image
Click the upload area or drag and drop an image file (JPG, PNG, or WebP) into the tool.
2
Adjust settings
Use the available controls to configure the output to your needs.
3
Preview the result
Check the live preview to make sure the output looks right before downloading.
4
Download
Click the Download button to save the processed image to your device.
よくある質問
Is Image Resizer free to use?+
Yes, completely free with no sign-up, watermarks, or usage limits.
Are my images uploaded to a server?+
No. All processing happens 100% in your browser. Your images never leave your device.
What image formats are supported?+
Most common formats including JPG, PNG, and WebP. Some tools also support GIF and BMP.
Is there a file size limit?+
There is no hard limit, but very large images (over 20MB) may be slower to process depending on your device.