Form W-9: Request for Taxpayer Identification Number and Certification
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JustFill is not affiliated with IRS. This is an independent third-party tool to help you complete W-9. Always download the current blank form from the official source and verify your completed copy before signing or submitting. Official W-9 from IRS
Form W-9, Request for Taxpayer Identification Number and Certification, is an IRS form that a payer uses to collect your name, address, and taxpayer identification number (SSN or EIN) before paying you, so they can issue a 1099 at year end. You complete and sign it, then give it to the payer — you do not send it to the IRS. With JustFill you upload the blank IRS W-9 PDF, the AI auto-detects every field, you type or dictate your details, and you download the completed W-9 free.
Need to get a W-9 form filled fast? Form W-9 is the IRS document a payer uses to collect your taxpayer identification number (TIN) before they pay you. JustFill is a free W9 filler that lets you complete a digital W-9 online — no printing, scanning, or installs. Most independent contractors, freelancers, and consultants in the United States fill out a W-9 at the start of a new client relationship. The form is short — name, business name, tax classification, address, and your SSN or EIN — but it's required before the payer can issue a 1099 at year end.
What each section of W-9 asks for. JustFill’s AI will detect these fields automatically when you upload the PDF — review the breakdown below so you know what to enter.
Your legal name as shown on your tax return.
Disregarded entity name or DBA, if different from Line 1.
Check one: individual/sole proprietor, C corp, S corp, partnership, trust/estate, or LLC.
Most filers leave blank. Used by certain corporations and tax-exempt organizations.
Where the payer should mail your 1099 at year end.
Your Social Security Number (SSN) for individuals, or your Employer Identification Number (EIN) for businesses.
Sign and date. You certify the TIN is correct and you are not subject to backup withholding.
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For vendor onboarding and accounts payable
Import one authorized vendor record per Excel or CSV row, reuse the reviewed W-9 field layout, and create one draft PDF per row. Verify every draft against the current official instructions before signing or filing.
One click loads the official blank — or drop your own W-9 PDF below. Free account, no credit card.
We load the official IRS blank for you — no download needed. Or upload your own copy below.
By uploading, you confirm you have the legal right to use this document.
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Official source: W-9 on IRS’s website
JustFill is an independent product and is not affiliated with, endorsed by, or sponsored by IRS or any government agency. Always verify your completed form on the official version before signing or submitting.