Document Tools

PDF RTL/LTR Support Tester (PDF双向文字测试)

Preview left-to-right and right-to-left text flow in PDF with bidi reordering

file· File resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL

# 1) Upload each file first → returns { filePath }
curl -X POST 'https://api.elysiatools.com/upload/pdf-rtl-ltr-support' \
  -F 'file=@/path/to/fontFile.ext'

# 2) Call the tool with the returned filePath values
curl -X POST 'https://api.elysiatools.com/en/api/tools/pdf-rtl-ltr-support' \
  -F 'ltrText=Enter left-to-right text...' \
  -F 'rtlText=أدخل نصًا من اليمين إلى اليسار...' \
  -F 'baseDirection=auto' \
  -F 'alignment=auto' \
  -F 'fontSize=14' \
  -F 'lineHeight=1.5' \
  -F 'pageSize=A4' \
  -F 'marginTop=72' \
  -F 'marginBottom=72' \
  -F 'marginLeft=72' \
  -F 'marginRight=72' \
  -F 'showGuides=true' \
  -F 'includeMixedSample=true' \
  -F 'fontFile=/path/to/file.ext'

API reference

Send a POST request with your inputs as JSON. File parameters require a separate upload first.

Endpoint

HTTP

POST https://api.elysiatools.com/en/api/tools/pdf-rtl-ltr-support

Parameters

Name	Type	Required	Description
ltrText	textarea	Yes	—
rtlText	textarea	Yes	—
baseDirection	select	No	—
alignment	select	No	—
fontSize	number	No	—
lineHeight	number	No	—
pageSize	select	No	—
marginTop	number	No	—
marginBottom	number	No	—
marginLeft	number	No	—
marginRight	number	No	—
showGuides	checkbox	No	—
includeMixedSample	checkbox	No	—
fontFile	fileupload required	No	—

File-type parameters must be uploaded first via POST /upload/pdf-rtl-ltr-support, then the returned filePath is passed to the corresponding file field.

Response format

File result

JSON

{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}

MCP integration

Add this tool to your Model Context Protocol server so AI agents can list and call it.

Server configuration

Add this block to your MCP client configuration:

mcp.json

{
  "mcpServers": {
    "elysiatools-pdf-rtl-ltr-support": {
      "name": "pdf-rtl-ltr-support",
      "description": "Preview left-to-right and right-to-left text flow in PDF with bidi reordering",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=pdf-rtl-ltr-support",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

List available tools

After connecting to the SSE endpoint, list the exposed tools:

tools/list

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

Call this tool

Invoke the tool by its id, passing arguments built from its parameters:

tools/call

{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "pdf-rtl-ltr-support",
    "arguments": {
  "ltrText": "Enter left-to-right text...",
  "rtlText": "أدخل نصًا من اليمين إلى اليسار...",
  "baseDirection": "auto",
  "alignment": "auto",
  "fontSize": 14,
  "lineHeight": 1.5,
  "pageSize": "A4",
  "marginTop": 72,
  "marginBottom": 72,
  "marginLeft": 72,
  "marginRight": 72,
  "showGuides": true,
  "includeMixedSample": true,
  "fontFile": "https://example.com/file.ext"
}
  }
}

Chain multiple tools in one session with a comma-separated toolId list, e.g. /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp (max 20).

File parameters accept a public file URL only (https://…). Local paths, data: URIs, and Base64 strings are not supported.

Questions or issues? Contact [email protected]