Design
社媒安全区预览
上传一张图，预览它在 Instagram 动态/故事/Reels、TikTok、YouTube、X、LinkedIn 上的呈现——叠加平台安全区遮罩，发布前明确显示哪些像素会被裁切或被 UI 遮挡。
html· HTML 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/social-media-caption-crop-preview' \
-H 'Content-Type: application/json' \
-d '{"filename":"image.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/social-media-caption-crop-preview' \
-F 'image=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
-F 'platformGroup=all' \
-F 'overlay=red'