PDF Tools
PDF 逻辑结构树 WCAG 角色映射验证器
审计 PDF/UA-1 逻辑结构树:RoleMap 是否映射到标准结构类型、H1–H6 标题层级是否跳级或首个标题非 H1、Figure/Formula 是否缺失 Alt 替代文本、语言标签继承链是否可判定、结构与内容流 MCID 阅读顺序是否分歧,并输出带 Matterhorn 检查点编号的结构大纲。
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/pdf-logical-structure-tree-validator' \
-H 'Content-Type: application/json' \
-d '{"filename":"pdfFile.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/pdf-logical-structure-tree-validator' \
-F 'pdfFile=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
-F 'maxPages=50' \
-F 'includeReadingOrder=true'