Format Conversion

XLSX Freeze Pane Manager

Freeze top rows/left columns automatically and apply row or column outline groups for easier spreadsheet reading

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/xlsx-freeze-pane-manager' \
  -H 'Content-Type: application/json' \
  -d '{"filename":"workbookFile.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/xlsx-freeze-pane-manager' \
  -F 'workbookFile=/public/samples/xlsx/ops-source.xlsx' \
  -F 'sheetNames=Sheet1,Sheet2 (blank = all sheets)' \
  -F 'freezeRows=1' \
  -F 'freezeColumns=0' \
  -F 'autoDetectFirstColumn=true' \
  -F 'minColumnsForAutoFreeze=8' \
  -F 'rowGroupsJson=[
  {
    "from": 2,
    "to": 15,
    "level": 1
  },
  {
    "from": 16,
    "to": 28,
    "level": 1
  }
]' \
  -F 'columnGroupsJson=[
  {
    "from": 3,
    "to": 8,
    "level": 1
  }
]' \
  -F 'collapseGroups=false' \
  -F 'summaryBelow=true' \
  -F 'summaryRight=true'

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/xlsx-freeze-pane-manager

Parameters

Name	Type	Required	Description
workbookFile	fileupload required	Yes	—
sheetNames	text	No	—
freezeRows	number	No	—
freezeColumns	number	No	—
autoDetectFirstColumn	checkbox	No	—
minColumnsForAutoFreeze	number	No	—
rowGroupsJson	textarea	No	—
columnGroupsJson	textarea	No	—
collapseGroups	checkbox	No	—
summaryBelow	checkbox	No	—
summaryRight	checkbox	No	—

File-type parameters must be uploaded first via POST /upload/xlsx-freeze-pane-manager, 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-xlsx-freeze-pane-manager": {
      "name": "xlsx-freeze-pane-manager",
      "description": "Freeze top rows/left columns automatically and apply row or column outline groups for easier spreadsheet reading",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=xlsx-freeze-pane-manager",
      "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": "xlsx-freeze-pane-manager",
    "arguments": {
  "workbookFile": "/public/samples/xlsx/ops-source.xlsx",
  "sheetNames": "Sheet1,Sheet2 (blank = all sheets)",
  "freezeRows": 1,
  "freezeColumns": 0,
  "autoDetectFirstColumn": true,
  "minColumnsForAutoFreeze": 8,
  "rowGroupsJson": "[\n  {\n    \"from\": 2,\n    \"to\": 15,\n    \"level\": 1\n  },\n  {\n    \"from\": 16,\n    \"to\": 28,\n    \"level\": 1\n  }\n]",
  "columnGroupsJson": "[\n  {\n    \"from\": 3,\n    \"to\": 8,\n    \"level\": 1\n  }\n]",
  "collapseGroups": false,
  "summaryBelow": true,
  "summaryRight": 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]