Free ITIN Tools
Four free tools to help you prepare your ITIN application with confidence, with no account required. Check your eligibility, build your document list, estimate your timeline, and learn how to get an ITIN number. When you are ready, you can start your ITIN application in minutes.
ITIN Eligibility Checker
Answer a few questions to find out whether you qualify for an ITIN based on your tax situation.
ITIN Document Checklist
See exactly which identity and foreign-status documents you need to submit with your Form W-7.
ITIN Processing Time Calculator
Estimate when your ITIN will arrive based on when and how you submit your application.
W-7 Form Guide
Walk through every section of IRS Form W-7 and avoid the mistakes that cause rejections.
Want the full picture first? Read what an ITIN is, see who needs an ITIN, or browse every guide on our ITIN blog.