Free Business Tools for Founders
Invoice clients, model payroll, plan a mortgage or loan, calculate profit margins, look up sales tax, and set a freelance rate — the financial toolkit every early-stage business needs.
12 free tools — no signup required
Invoice Generator
Create and download professional invoices instantly
Paycheck Calculator
Calculate your take-home pay after taxes instantly
Mortgage Calculator
Full PITI mortgage calculator with amortization schedule and PMI tracking
Loan Calculator
Auto, personal, student & home equity loan calculator with amortization schedule
Profit Margin Calculator
Calculate gross margin, net margin, and markup — and reverse-calculate your price
Sales Tax Calculator
Calculate sales tax for any US state — add tax or reverse from total
Freelance Rate Calculator
Calculate the hourly rate you actually need to charge as a freelancer
QR Code Generator
Create custom QR codes with colors, logos, and styles
Meeting Cost Calculator
Calculate the real dollar cost of your meetings — with a live ticker
PDF Editor
Merge, reorder, rotate, delete, and split PDF pages — 100% in your browser
PDF Merger
Combine multiple PDF files into one document — 100% in your browser
Email Signature Generator
Create professional email signatures in seconds
Free Business Tools for Founders — All Tools Listed
Every tool below is 100% free, requires no account, and runs entirely in your browser — your data never leaves your device.
📄 Free Invoice Generator
Create professional PDF invoices in 2 minutes — no watermark, no signup, unlimited. Add logo, taxes, discounts. Download instantly. Free forever.
💰 Free Paycheck Calculator
Free paycheck calculator with 2026 federal brackets, all 50 states + DC, FICA, and pre-tax deductions. See your exact take-home pay in seconds. Free to embed on your website. No signup required.
🏠 Free Mortgage Calculator
Free mortgage calculator with full PITI breakdown (Principal, Interest, Taxes, Insurance, PMI, HOA). Calculate monthly payments, total interest, PMI cancellation date, and extra payment savings. Free to embed on your website. No signup required.
🏦 Free Loan Calculator
Calculate monthly payments, total interest, and full amortization schedule for auto, personal, student, and home equity loans. See how extra payments save you thousands. Free, no signup.
📊 Free Profit Margin Calculator
Free profit margin calculator. Enter cost and selling price to get gross margin %, markup %, net margin, and ROI. Reverse modes: enter your target margin or markup to find the price you need to charge. Free to embed on your website. No signup required.
🧾 Free Sales Tax Calculator
Free US sales tax calculator for all 50 states + DC. Add tax to a pre-tax price, or reverse-calculate the original price from a tax-inclusive total. Includes a multi-item cart mode. Free to embed on your website. No signup required.
🧮 Free Freelance Rate Calculator
Free freelance rate calculator. Enter your income goal, tax rate, expenses, health insurance, retirement savings, and vacation weeks — get the exact minimum hourly, daily, weekly, and monthly rate you need to charge. Free to embed on your website. No signup required.
📱 Free QR Code Generator
Create custom QR codes for URLs, WiFi, vCards, phone & email. Add brand colors and logo. Download as PNG or SVG. Free, no signup, no limits.
⏰ Free Meeting Cost Calculator
Calculate the real dollar cost of your meetings by attendees, salaries, and duration. Includes a live cost ticker and shareable PNG result card. Free.
✏️ Free PDF Editor
Free online PDF editor. Merge PDFs, reorder and delete pages, rotate sideways pages, split by page range, and add page numbers. No upload to any server — runs entirely in your browser.
📎 Free PDF Merger
Free PDF merger. Upload multiple PDFs and combine them into a single document in the order you choose. No upload to any server — 100% browser-based. No signup, no watermark.
✉️ Free Email Signature Generator
Create a professional HTML email signature in 60 seconds. Works in Gmail, Outlook & Apple Mail. Choose template, add photo & social links. Free, no signup.