Reazix Billing documentation
Make GST invoices, keep track of who owes you, and prepare your GST returns. On your own computer, with no account and no monthly fee.
Your invoices never leave your computer, there is no account to make, and nothing is ever sold to you inside the app. Don't take our word for it: check it yourself in two minutes.
- Install itDownload, extract, click Install. About three minutes, no admin rights needed.
- Make your first invoiceFrom a blank app to a GST tax invoice you can send, in five minutes.
- Something isn't workingThe common problems, what causes each one, and the fix.
#What it does
Reazix Billing is invoicing and GST software for small businesses in India, and for anyone billing in other currencies: 20 are supported. It runs on your computer and opens in your web browser, the way a website does, but nothing leaves your machine.
- Invoices: tax invoices, bills of supply, proforma estimates, credit notes and delivery challans, with CGST, SGST, IGST and UTGST worked out for you.
- Getting paid: record payments, print receipts, see who is overdue and by how much.
- GST returns: GSTR-1 and GSTR-3B built from your invoices and purchases, as files you upload to the GST portal.
- The rest of the books: clients, products and stock, purchases, expenses, recurring invoices, profit and loss, and an income tax calculator.
#What you need
| Computer | Windows 10 or 11, macOS, or Linux (a NAS works too). |
|---|---|
| Browser | Chrome, Edge, Firefox or Brave. The app opens in it. |
| Disk space | Roughly 200 MB once installed. |
| Internet | Only for the first install and for updates. Everything else works offline. |
| Account or signup | None. |
#Where your data lives
Every invoice, client and setting is saved as plain files inside the app's folder, in _system\data. They never leave your computer unless you turn on Google Drive backup yourself.
That also means backing up is your job, and it is easy. See Backups, updates and moving PC.
#What does it cost?
One payment, and the app is yours for life. There is no subscription, no invoice limit and no advertising, and your purchase includes 3 years of updates. Ask us at contact@reazix.com.
#Getting help
Every screen in the app with a ? button links to the matching part of these pages. If something is missing here, or the app does something these pages don't describe, email us with a screenshot. Many features began as someone's request.