Business-in-a-Box — Quotes, Invoices & Customer Management in One File
A complete business management tool that runs in your browser. Create quotes, send invoices, track customers and revenue — no app, no subscription, no login. Just open the file and go.
Full Description:
Stop paying monthly for software you barely use.
Business-in-a-Box is a single HTML file that gives you everything you need to run your admin — quotes, invoices, customer records, and a revenue dashboard. Open it in your browser on any device. Works offline. No account needed.
What you get:
✓ Smart quote builder with line items, quantities, and auto-totals ✓ Professional invoices with VAT calculation ✓ Convert accepted quotes to invoices in one click ✓ Customer database — name, email, phone, address, notes ✓ Dashboard showing open quotes, unpaid invoices, and total revenue ✓ Clean print layouts for quotes and invoices (save as PDF) ✓ Data export and import (JSON backup) ✓ Works on phone, tablet, and laptop — even offline
How it works:
- Download the HTML file
- Open it in your browser (Chrome, Safari, Edge — anything)
- Enter your business name, phone, email, and payment terms
- Start quoting
That's it. No installation. No login. No monthly fee.
Who it's for:
Cleaners, dog walkers, personal trainers, mobile barbers, tutors, gardeners, handymen, photographers, freelancers — anyone running a small business who needs a simple way to quote, invoice, and keep track of customers without paying for bloated software.
Format: Single .html file Setup time: 60 seconds Works on: Any device with a web browser Internet required: No — works fully offline
One payment. Yours forever.
