The Business Toolkit
For Modern Entrepreneurs.
A complete suite of free business tools to generate professional invoices, calculate profit margins, and create marketing assets—without the monthly fees.
Explore Our Utilities
Filter by category to find exactly what you need.
Invoice Generator
FreeCreate professional invoices instantly.
Profit Engine
PopularCalculate margins and break-even points.
ROAS Ad Calc
MathPlan your ad budget and expected returns.
SEO Ad Writer
BetaAI-style descriptions for your listings.
UTM Link Builder
EssentialTrack where your traffic comes from.
Link-in-Bio Builder
NewCreate a mini landing page for social.
QR Code Studio
NewGenerate branded QR codes with logos.
Email Sig. Maker
NewPro HTML signatures for Gmail/Outlook.
Legal Policy Gen
LegalPrivacy Policies & Terms for your site.
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Why use BrunHaus Tools?
We provide enterprise-grade utilities without the enterprise price tag. Designed for speed, privacy, and ease of use.
Instant & Unlimited
Generate as many invoices, QR codes, or policy documents as you need. No hidden limits, no paywalls, and no waiting.
Private by Design
Most tools process data directly in your browser. Your financial data and customer lists never touch our servers.
Professional Quality
Download assets that look like they came from a Fortune 500 company. High-res PNGs, compliant legal text, and polished PDFs.
Maximize Your Margins
Whether you sell on eBay, Poshmark, or your own Shopify store, keeping track of fees is a nightmare. Use our Profit Engine to calculate break-even points and our SEO Writer to write listings that actually rank.
- Calculate Dropshipping ROI
- Generate Packaging QR Codes
- Track Marketing Campaigns
Frequently Asked Questions
Ready to streamline your business?
Join thousands of sellers using BrunHaus tools to save time and make smarter decisions.