Free Invoice Generator for 1099 Freelancers & Sole Proprietors

Most free invoice tools follow a familiar pattern: create an account, fill in the form, and then discover a watermark on the PDF or a monthly cap on how many invoices can be downloaded for free. This generator skips all of that. There is no sign-up, no watermark, no count limit, and no invoice data is transmitted to a server, the PDF is assembled entirely in the browser and saved directly to the user's device. What the user gets is a clean, client-ready invoice with their business name, the client's details, and as many line items as the project requires. The tool handles the arithmetic (subtotal, optional discount, optional sales tax, and total) and shows a rough self-employment-tax planning estimate below the final number.

Every dollar on your invoices rolls into Schedule C gross receipts. Track deductions that lower that number with Every Freelancer Tax Deduction for 2026.

The generator calculates each line amount first: line amount = quantity x rate. All line amounts are summed to produce the subtotal. If a discount applies, the user enters either a flat dollar amount or a percentage; a percentage discount is computed as the discount rate multiplied by the subtotal. Subtracting the discount from the subtotal yields the pre-tax subtotal (this is the field that drives any subsequent sales-tax calculation). If the user adds a sales-tax line, which is optional and user-controlled, the sales tax amount = tax rate x pre-tax subtotal. The total = pre-tax subtotal + sales tax. Finally, balance due = total minus any amount already paid (useful when a retainer or deposit was collected earlier).

Below the total, the tool displays a SE-tax micro-estimate: net earnings = total x 0.9235; estimated SE tax on this invoice = net earnings x 0.153; deductible half = estimated SE tax / 2.

The 92.35% factor and the 15.3% rate come directly from IRS Schedule SE and IRS Topic No. 554, which confirms that "generally, the amount subject to self-employment tax is 92.35% of your net earnings from self-employment" and that "this rate consists of 12.4% for Social Security and 2.9% for Medicare taxes." The 2026 Form 1040-ES instructions (Line 9) further confirm: "be sure to use only 92.35% (0.9235) of your total net profit from self-employment."

This micro-estimate is a single-invoice, pre-expense planning figure only. Real SE tax is calculated on annual net profit, total gross income minus allowable business deductions, not on each invoice total. The 12.4% Social Security portion stops once annual net earnings from self-employment reach the 2026 taxable maximum of $184,500 (confirmed by the SSA Contribution and Benefit Base page). For an accurate annual figure, use the Self-Employment Tax Calculator.

The deductible half reduces adjusted gross income on the federal return; it does not reduce the SE tax itself.

$400 SE-tax filing threshold. If annual net earnings from self-employment are $400 or more, Schedule SE must be filed and SE tax is owed. An invoice total does not equal net profit, business expenses reduce the taxable base, but the micro-estimate provides an early-stage planning signal.

$1,000 estimated-tax threshold. The 2026 Form 1040-ES states that estimated tax payments are generally required when the taxpayer "expect[s] to owe at least $1,000 in tax for 2026, after subtracting your withholding and refundable credits." The 2026 quarterly due dates are April 15, June 15, and September 15, 2026, and January 15, 2027.

1099-NEC reporting threshold (2026). Under the One Big Beautiful Bill Act (signed July 4, 2025), clients are generally required to issue Form 1099-NEC for nonemployee compensation totaling $2,000 or more paid during calendar year 2026, up from the former $600 threshold. However, all income, including amounts below the reporting threshold, remains reportable on the freelancer's federal return. An invoice is the freelancer's own contemporaneous record of gross receipts regardless of whether a 1099 is issued.

Sales tax varies by state. No national rule applies uniformly to freelance services. Georgia, as one example, generally does not impose sales tax on most services, but does tax tangible personal property. The taxability of photography sessions, digital image files, or physical prints can depend on how a transaction is structured and what is delivered. Check the relevant state Department of Revenue before adding or omitting a sales-tax line on any invoice.