キャンバス透かしツール
著作権保護と公開のための、ブラウザ完結型の透かしワークフロー。
キャンバス透かしツール
画像をアップロード
画像をここにドロップするか、クリックしてファイルを選択
一括アップロードに対応しています
エクスポート
結果はまだありません
About This Text Watermark Tool
Text watermarks are useful for copyright protection, attribution, content channel labeling, and publish-ready exports. A browser-side watermark workflow is practical when you need quick output without opening a full design tool.
Useful for copyright and attribution
For photography, product images, posters, and branded visuals, a clean text watermark can make origin and ownership more obvious when assets are shared or reposted.
Useful for multi-channel publishing
If the same asset is posted across several platforms, channel-specific text watermarks can help distinguish versions and make source tracking easier later.
Useful for quick publishing workflows
You can control text, opacity, size, and position directly in the browser, which is helpful when images need to be prepared quickly for repeated publishing tasks.
Image Watermark FAQ
These questions come up most often when balancing copyright protection, readability, and image presentation.
Should I place the watermark in a corner or across the whole image?
A corner watermark is less distracting and works well when presentation matters most. A repeated full-image watermark is more effective if preventing reuse or easy cropping is the priority.
What opacity level usually works best?
A low to medium opacity is often the most balanced choice. It keeps the watermark visible without overpowering the subject, though the ideal value depends on the image background and publishing context.
Why is it better to finalize image size before adding a watermark?
Because scaling after watermarking also changes the watermark size and sharpness. If you finalize the output dimensions first, the watermark will look more consistent in the final exported image.