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Random Lottery

Random lottery system for selecting winners from participant list

Click to upload file or drag and drop file here

Maximum file size: 0MB Supported formats: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel, text/csv

Upload Excel file with columns: Name, ID, Department

Enter participants manually (optional if using file)

Key Facts

Category
Games
Input Types
file, textarea, number
Output Type
interactive
Sample Coverage
4
API Ready
Yes

Overview

The Random Lottery tool provides a fair and efficient way to select winners from any participant list. Whether you are running a corporate giveaway, a raffle, or a team-building event, this utility ensures unbiased results by randomly picking names from your uploaded Excel files or manual entries.

When to Use

  • •Selecting winners for company giveaways or promotional raffles.
  • •Choosing team members for special projects or tasks randomly.
  • •Determining prize recipients from a list of event attendees.

How It Works

  • •Upload your participant list as an Excel or CSV file, or paste names directly into the text area.
  • •Specify the total number of winners you wish to select.
  • •Click the draw button to trigger the random selection algorithm.
  • •View the list of randomly selected winners instantly.

Use Cases

Corporate event prize draws for employees.
Social media contest winner selection.
Random assignment of tasks or roles within a group.

Examples

1. Office Holiday Raffle

HR Manager
Background
The HR team organized a holiday party and collected a list of 200 employees in an Excel file to distribute 5 gift cards.
Problem
Manually picking names from a hat is time-consuming and prone to bias.
How to Use
Upload the 'employees.xlsx' file and set the number of winners to 5.
Outcome
The tool instantly generates a list of 5 unique winners, ensuring a fair and transparent process.

2. Webinar Attendee Giveaway

Background
A marketing team needs to select 3 winners from a list of 50 webinar attendees to receive a free product demo.
Problem
Need a quick, unbiased way to select winners from the registration CSV export.
How to Use
Upload the registration CSV file and set the winner count to 3.
Outcome
Three random attendees are selected, and their names are displayed immediately for the announcement.

Try with Samples

csv, xml, xlsx
XLSX Samples
Sample XLSX spreadsheets for worksheet parsing and data extraction testing
preferred input family xlsx,xls
xlsx, xls
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preferred input family csv
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preferred input family csv
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Windows String Processing - C# Samples
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FAQ

Is the selection process truly random?

Yes, the tool uses a cryptographically secure random number generator to ensure every participant has an equal chance of winning.

What file formats are supported?

You can upload files in .xlsx, .xls, or .csv formats.

Can I select multiple winners at once?

Yes, you can set the 'Number of Winners' field to any value between 1 and 1000.

Is my participant data stored on your servers?

No, all data processing is performed locally in your browser, and your participant list is not stored or shared.

What if I have more winners requested than participants?

The tool will automatically cap the number of winners to the total number of available participants in your list.

API Documentation

Request Endpoint

POST /en/api/tools/random-lottery

Request Parameters

Parameter Name Type Required Description
participantFile file (Upload required) Yes Upload Excel file with columns: Name, ID, Department
participantText textarea No Enter participants manually (optional if using file)
prizeCount number Yes -

File type parameters need to be uploaded first via POST /upload/random-lottery to get filePath, then pass filePath to the corresponding file field.

Response Format

{
  "result": "Initial display content",
  "interactive": true,
  "components": [
    {
      "type": "timer",
      "id": "timer1",
      "config": {
        "label": "Countdown",
        "duration": 60
      }
    }
  ],
  "state": {
    "key": "value"
  },
  "actions": [
    {
      "type": "start",
      "id": "start-btn",
      "label": "Start"
    }
  ],
  "styles": "/* Custom CSS */",
  "scripts": "/* Client-side scripts */",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}
Interactive Component: Interactive Component

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-random-lottery": {
      "name": "random-lottery",
      "description": "Random lottery system for selecting winners from participant list",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=random-lottery",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

Supports URL file links or Base64 encoding for file parameters.

If you encounter any issues, please contact us at [email protected]