Free W-2 Checker

Run common SSN/EIN-format and wage-relationship checks on entered W-2 data. Compare results with the source form and current instructions.

Enter W-2 Data

Fill out the key W-2 fields below to validate your form data

W-2 Tax Year *

Employer Name *

Employer EIN *

Employee Name *

Employee SSN *

Box 1 - Wages, Tips, Other Compensation *

Box 2 - Federal Income Tax Withheld

Box 3 - Social Security Wages

Box 4 - Social Security Tax Withheld

Box 5 - Medicare Wages and Tips

Box 6 - Medicare Tax Withheld

State Code

Box 16 - State Wages

Box 17 - State Income Tax

Validation Results

Click "Validate W-2 Data" to see results

Enter your W-2 data above and click validate to see detailed results.

Upload a representative supported W-2 to receive configured box fields and confidence signals, then compare them with the source.

A practical playbook for testing and reviewing a W-2 extraction workflow.

About This W-2 Checker

Checks SSN (XXX-XX-XXXX) and EIN (XX-XXXXXXX) formats, plus wage and tax amount formatting.

Checks selected relationships between entered wage and withholding fields. Results still require source review.

All validation happens in your browser. Your W-2 data never leaves your computer.