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PDF Typography Playground (PDF排版实验室)

Experiment with typography settings: line height, spacing, alignment, and indentation

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Quick start

Call this tool from your code in three languages.

cURL
curl -X POST 'https://api.elysiatools.com/en/api/tools/pdf-typography-playground' \
  -H 'Content-Type: application/json' \
  -d '{"content":"Typography is the art and technique of arranging type to make written language legible, readable, and appealing when displayed.\n\nThe arrangement of type involves selecting typefaces, point sizes, line lengths, line-spacing (leading), and letter-spacing (tracking), and adjusting the space between pairs of letters (kerning).\n\nGood typography creates a visual hierarchy that guides the reader through the content. It establishes tone and mood, enhances readability, and communicates the intended message effectively.","fontSize":12,"fontWeight":"normal","lineHeight":1.5,"paragraphSpacingBefore":0,"paragraphSpacingAfter":12,"textAlign":"left","firstLineIndent":0,"leftIndent":0,"rightIndent":0,"letterSpacing":0,"wordSpacing":0,"showBaseline":false,"showGrid":false,"showBorder":false,"showHeader":false,"headerText":"Document Header","headerAlignment":"center","showFooter":false,"footerText":"Page {page} of {total}","footerAlignment":"center"}'

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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-typography-playground

Parameters

NameTypeRequiredDescription
contenttextareaYes—
fontSizenumberNo—
fontWeightselectNo—
lineHeightnumberNo—
paragraphSpacingBeforenumberNo—
paragraphSpacingAfternumberNo—
textAlignselectNo—
firstLineIndentnumberNo—
leftIndentnumberNo—
rightIndentnumberNo—
letterSpacingnumberNo—
wordSpacingnumberNo—
showBaselinecheckboxNo—
showGridcheckboxNo—
showBordercheckboxNo—
showHeadercheckboxNo—
headerTexttextNo—
headerAlignmentselectNo—
showFootercheckboxNo—
footerTexttextNo—
footerAlignmentselectNo—

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-typography-playground": {
      "name": "pdf-typography-playground",
      "description": "Experiment with typography settings: line height, spacing, alignment, and indentation",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=pdf-typography-playground",
      "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-typography-playground",
    "arguments": {
  "content": "Typography is the art and technique of arranging type to make written language legible, readable, and appealing when displayed.\n\nThe arrangement of type involves selecting typefaces, point sizes, line lengths, line-spacing (leading), and letter-spacing (tracking), and adjusting the space between pairs of letters (kerning).\n\nGood typography creates a visual hierarchy that guides the reader through the content. It establishes tone and mood, enhances readability, and communicates the intended message effectively.",
  "fontSize": 12,
  "fontWeight": "normal",
  "lineHeight": 1.5,
  "paragraphSpacingBefore": 0,
  "paragraphSpacingAfter": 12,
  "textAlign": "left",
  "firstLineIndent": 0,
  "leftIndent": 0,
  "rightIndent": 0,
  "letterSpacing": 0,
  "wordSpacing": 0,
  "showBaseline": false,
  "showGrid": false,
  "showBorder": false,
  "showHeader": false,
  "headerText": "Document Header",
  "headerAlignment": "center",
  "showFooter": false,
  "footerText": "Page {page} of {total}",
  "footerAlignment": "center"
}
  }
}
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).

Questions or issues? Contact [email protected]

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