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Media

Convert AVIF to PDF

Convert AVIF images to PDF format with customizable page size, orientation, and quality settings

file· File resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL
# 1) Request a presigned URL → returns { uploadUrl, storageKey }
curl -X POST 'https://api.elysiatools.com/api/upload/presign/avif-to-pdf' \
  -H 'Content-Type: application/json' \
  -d '{"filename":"imageFile.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/en/api/tools/avif-to-pdf' \
  -F 'imageFile=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
  -F 'pageSize=A4' \
  -F 'orientation=portrait' \
  -F 'quality=80' \
  -F 'backgroundColor=white' \
  -F 'margin=10' \
  -F 'title=Enter document title...' \
  -F 'author=Enter author name...' \
  -F 'subject=Enter document subject...' \
  -F 'keywords=Enter keywords...' \
  -F 'fitMode=contain' \
  -F 'centerImage=true' \
  -F 'preserveAspectRatio=true'

© 2026 Elysia Tools. Developer documentation.

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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/avif-to-pdf

Parameters

NameTypeRequiredDescription
imageFilefileupload requiredYes—
pageSizeselectNoPDF document page size
orientationselectNoPage orientation for the PDF
qualityselectNoQuality setting for embedded image
backgroundColorselectNoBackground color for the PDF page
marginrangeNoPage margin as percentage of page size
titletextNoPDF document title metadata
authortextNoPDF document author metadata
subjecttextNoPDF document subject metadata
keywordstextNoPDF document keywords (comma-separated)
fitModeselectNoHow the image should fit within the page
centerImagecheckboxNoCenter the image on the page
preserveAspectRatiocheckboxNoMaintain original image proportions
File-type parameters must be uploaded first via POST /upload/avif-to-pdf, 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-avif-to-pdf": {
      "name": "avif-to-pdf",
      "description": "Convert AVIF images to PDF format with customizable page size, orientation, and quality settings",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=avif-to-pdf",
      "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": "avif-to-pdf",
    "arguments": {
  "imageFile": "https://example.com/file.ext",
  "pageSize": "A4",
  "orientation": "portrait",
  "quality": "80",
  "backgroundColor": "white",
  "margin": 10,
  "title": "Enter document title...",
  "author": "Enter author name...",
  "subject": "Enter document subject...",
  "keywords": "Enter keywords...",
  "fitMode": "contain",
  "centerImage": true,
  "preserveAspectRatio": true
}
  }
}
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]

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