Media
视频添加字幕
使用 SRT、ASS 或 VTT 字幕文件为视频添加硬字幕，可自定义字体样式
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/video-subtitle-add' \
-H 'Content-Type: application/json' \
-d '{"filename":"videoFile.ext","contentType":"application/octet-stream","size":12345}'
curl -X POST 'https://api.elysiatools.com/api/upload/presign/video-subtitle-add' \
-H 'Content-Type: application/json' \
-d '{"filename":"subtitleFile.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/video-subtitle-add' \
-F 'videoFile=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
-F 'subtitleFile=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
-F 'fontSize=24' \
-F 'fontName=Arial' \
-F 'fontColor=#FFFFFF' \
-F 'bottomAlignment=true' \
-F 'marginBottom=20' \
-F 'outputFormat=mp4'