画像ウォーターマーク — Image Watermark stamps text onto photos — a copyright line, a studio name, DRAFT or APPROVED — with control over position, font size, color, opacity, rotation, and a tiling mode that repeats the stamp across the whole frame.
Your image is watermarked locally in your browser and never uploaded.
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画像ウォーターマークとは？
Image Watermark stamps text onto photos — a copyright line, a studio name, DRAFT or APPROVED — with control over position, font size, color, opacity, rotation, and a tiling mode that repeats the stamp across the whole frame.
Unlike the PDF watermark tool, this one works on images for the web and social media. Everything is drawn on a canvas in your browser; the photo is never uploaded.
使い方
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Choose the image
JPG, PNG, WebP, GIF, and AVIF are accepted.
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Style the watermark
Set the text, position, size, color, opacity, rotation — or enable tiling.
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Download
The watermarked copy is saved as a PNG.
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Last reviewed: 2026-09-25