画像透かし - Free Online Tool | PivaBox

写真にテキストまたは画像のウォーターマークを追加。位置・透明度・タイル・ドラッグ配置・バッチ書き出しに対応

How to Use Image Watermark Tool

  1. アップロードエリアをクリックするか、1枚以上の画像をドラッグ&ドロップして元画像を選択します
  2. Choose Text Watermark or Image Watermark, then configure font/color/opacity or upload a watermark image with scale and opacity settings
  3. 9点グリッドからウォーターマークの位置を選ぶか、プレビュー上で直接ドラッグして移動できます。タイルモードで全面に繰り返し、形式と品質を選んでダウンロードします

Frequently Asked Questions

Is Image Watermark tool free?

Yes, PivaBox Image Watermark is completely free to use. There are no charges, subscriptions, or hidden fees. All processing runs locally in your browser.

Are my images uploaded to a server?

No. All watermark rendering happens entirely in your browser using the Canvas API. Your images never leave your device, ensuring your files stay private and secure.

Can I use both text and image watermarks at the same time?

The tool currently supports one watermark type at a time. You can switch between Text and Image modes using the tabs. If you need both, you can apply one watermark, download the result, then upload it again and apply the second watermark.