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IMEI Validator

Validate IMEI numbers for mobile devices using Luhn checksum algorithm

Enter a 15-digit IMEI number (with or without separators)

Key Facts

Category
Validation
Input Types
text
Output Type
text
Sample Coverage
3
API Ready
Yes

Overview

The IMEI Validator is a precise utility designed to verify the authenticity of 15-digit International Mobile Equipment Identity (IMEI) numbers using the standard Luhn checksum algorithm.

When to Use

  • •Verify the validity of a mobile device's IMEI before purchasing a used phone.
  • •Check for potential typos or formatting errors in recorded device serial numbers.
  • •Ensure a device identifier meets the global standard for mobile equipment identification.

How It Works

  • •Input the 15-digit IMEI number into the validator field.
  • •The tool strips away any separators like hyphens or spaces.
  • •It applies the Luhn algorithm to calculate the checksum and verify the number's integrity.
  • •The tool instantly confirms whether the provided IMEI is valid or invalid.

Use Cases

Second-hand mobile device verification for buyers and sellers.
Inventory management for mobile repair shops and refurbishers.
Data entry quality control for mobile device registration forms.

Examples

1. Verifying a Used Phone Purchase

Online Marketplace Buyer
Background
A user is buying a used smartphone from a private seller and wants to ensure the provided IMEI is a legitimate 15-digit number.
Problem
The seller provided an IMEI, but the buyer is unsure if it is a valid sequence or a randomly typed string.
How to Use
Copy the IMEI provided by the seller, paste it into the validator, and check the result.
Outcome
The tool confirms the IMEI is valid, providing confidence that the device identifier follows the correct checksum standard.

2. Batch Data Entry Cleanup

Inventory Clerk
Background
An inventory clerk is digitizing a list of mobile device serial numbers from paper logs into a digital database.
Problem
Manual entry often leads to typos, resulting in invalid IMEI numbers that break database constraints.
How to Use
Input each IMEI into the validator to confirm its structural integrity before saving it to the inventory system.
Outcome
The clerk identifies and corrects two mistyped digits, ensuring the database only contains valid, verifiable IMEI records.

Try with Samples

validation
Apache Cordova Mobile Development Samples
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keywords mobile,phone,device
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Global Phone Number Samples
Collection of phone numbers from various countries for validation testing
keywords validator,mobile,phone
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Playwright E2E Testing Framework
Comprehensive Playwright testing examples including cross-browser automation, API testing, mobile testing, visual regression, and advanced E2E patterns for modern web applications
keywords mobile
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FAQ

What is an IMEI number?

An IMEI is a unique 15-digit identification number assigned to every GSM, WCDMA, and LTE mobile phone.

Does this tool check if a phone is blacklisted?

No, this tool only validates the mathematical structure and checksum of the IMEI number, not its status in carrier databases.

Can I enter an IMEI with hyphens?

Yes, the validator automatically ignores hyphens and spaces to process the core 15-digit sequence.

What algorithm does this validator use?

It uses the Luhn algorithm, which is the industry-standard checksum formula for validating identification numbers.

Is my IMEI data stored by this tool?

No, all validation is performed locally in your browser, and no data is saved or transmitted to our servers.

API Documentation

Request Endpoint

POST /en/api/tools/imei-validator

Request Parameters

Parameter Name Type Required Description
imei text Yes Enter a 15-digit IMEI number (with or without separators)

Response Format

{
  "result": "Processed text content",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}
Text: Text

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-imei-validator": {
      "name": "imei-validator",
      "description": "Validate IMEI numbers for mobile devices using Luhn checksum algorithm",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=imei-validator",
      "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.

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