Design
图片水印工具
为图片添加图片水印，可自定义位置、大小、透明度和旋转角度
file· 文件结果打开工具
快速开始
用三种语言从你的代码中调用此工具。
cURL
# 1) Request a presigned URL → returns { uploadUrl, storageKey }
curl -X POST 'https://api.elysiatools.com/api/upload/presign/image-watermark-image' \
-H 'Content-Type: application/json' \
-d '{"filename":"imageFile.ext","contentType":"application/octet-stream","size":12345}'
curl -X POST 'https://api.elysiatools.com/api/upload/presign/image-watermark-image' \
-H 'Content-Type: application/json' \
-d '{"filename":"watermarkImageFile.ext","contentType":"application/octet-stream","size":12345}'
# 2) PUT the file bytes directly to the presigned uploadUrl
curl -X PUT '<presigned uploadUrl>' \
--data-binary @/path/to/file.ext
# 3) Call the tool, passing the returned storageKey for each file field
curl -X POST 'https://api.elysiatools.com/zh/api/tools/image-watermark-image' \
-F 'imageFile=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
-F 'watermarkImageFile=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
-F 'position=bottom-right' \
-F 'scale=0.2' \
-F 'opacity=0.7' \
-F 'rotation=0' \
-F 'margin=20' \
-F 'blendMode=over'