For Individuals & Self-Filers

You signed your tax return. Do you actually know what's in it?

Upload the documents your preparer used. BasilTax traces every number on your return back to its source — so you understand what you signed, and you're ready if the IRS ever asks.

Verify my return — free See how it works

First verification is always free. No credit card required.

Why should you verify your return?

You're legally responsible for every number — even if a preparer filed it for you.

Mistakes happen

Even good preparers make errors — a missed 1099, a wrong box number, a transposition. Verification catches what human eyes miss.

IRS notices are stressful

1 in 20 returns gets a notice. Without a paper trail, responding costs time, money, and anxiety. With one, it takes 15 minutes.

Understanding builds confidence

When you can trace every dollar, you stop worrying about what you don't know. Knowledge is the best defense.

What you get in 5 minutes

Upload your documents. Get instant clarity.

1

Complete audit trail

Every line on your 1040 linked to the document, page, and field it came from. Download as PDF anytime.

2

Plain-English Q&A

Ask "Why do I owe this much?" or "Where did line 7 come from?" and get clear answers citing your actual documents.

3

Independent verification

BasilTax recomputes your return from the source documents. If anything doesn't match what was filed, you'll know.

4

Ready for the IRS

If you ever get a notice, open your audit trail, find the source, and respond with confidence. No scrambling.

Your verification

Line 1: Wages — $92,500

Source: W-2 (Employer: Acme Corp), Box 1, page 1

Line 3a: Qualified Dividends — $1,340

Source: 1099-DIV (Vanguard), Box 1b, page 1

Line 13: Qualified Business Income — $4,800

Source: Schedule K-1 (LLC), Box 1, page 1

All 24 lines verified. 0 discrepancies.

Your privacy comes first

We know these are your most sensitive documents. Here's how we protect them.

SSNs stripped before AI

Personal identifiers never reach our AI models.

Encrypted end-to-end

Bank-grade encryption at rest and in transit.

Never sold or shared

Not used for ads, not shared with third parties.

Common questions

What does BasilTax do for individual taxpayers?

BasilTax helps you understand and verify your tax return. Upload your source documents and it traces every number on your 1040 back to its source — document, page, and field. Ask questions in plain English and get answers with citations.

Can BasilTax help me if I get audited?

Yes. The audit trail is built the moment you verify. If the IRS sends a notice questioning any amount, you can locate the exact source document and page in minutes — without calling your preparer or paying hourly fees.

Do I need to understand taxes?

Not at all. Everything is explained in plain English. Ask questions like "Why do I owe this much?" and get clear answers pointing to your actual documents.

Is this a replacement for my tax preparer?

No. BasilTax is a verification tool. It helps you understand and verify the return your preparer filed. Think of it as a second opinion that traces every dollar to its source.

How much does it cost?

Your first verification is always free. After that, $29 per return (one tax year, federal + state). You get a full audit trail PDF, unlimited Q&A, and a shareable verification link.

Understand what you signed. Be ready if they ask.

Upload your documents. Get your audit trail. First one's on us.

Verify my return — free