Free Offline Billing Software for Small Business is a reasonable thing to want, and the right choice depends on things nobody puts in a feature list — your connection, your hardware, and whether more than one person bills. Including an honest statement of what this product is.
The question that decides it for most businesses
Not features. Two things: how reliable is your internet, and how many people bill?
If your connection drops for hours at a time and one person does all the billing at one counter, installed software is genuinely the better engineering choice, and no amount of enthusiasm about the cloud changes that. If more than one person bills, or you need the figures from somewhere other than the shop, the cloud wins on the thing that actually breaks — two copies of a file and two numbering series.
Everything else is preference. These two are consequences.
Offline billing: when it is the right answer
Offline billing matters in specific, real situations, and it is worth being direct: this product does not do it. It is a web application and it needs a connection to issue a bill.
If any of these is you, installed software is the better choice. A counter where the internet drops for hours rather than minutes. A shop in a market with no fixed line and patchy mobile data. A van, a stall or a site with no connectivity at all. Billing that cannot stop, where a few minutes of downtime means a queue walking out.
What to look at if that is your situation: software that keeps its own database on the machine, with a backup that you have personally tested restoring — because an untested backup is a hope, not a backup. Ask specifically how data moves between two machines if you ever need two.
The in-between case is common and worth naming: unreliable internet but not absent. A printed invoice book as a fallback, entered in the evening, costs about an hour a week and removes the risk entirely. Plenty of shops run exactly that way.
What the free plan actually includes
- Complete GST tax invoices, every legally required field, tax split per line.
- Nothing to install — a browser on any computer, tablet or phone.
- Customers and items stored once, with GSTIN, state, HSN or SAC and rate.
- One numbering series, issued centrally and consecutive within the financial year.
- Stock that moves as you bill.
- A receivables position — what is unpaid, aged, per customer.
- PDF invoices to print, email or send on WhatsApp.
- Full export to CSV, Excel and JSON, on every plan including this one.
- ₹0 — no card, no expiry, not a trial.
Trying it in five minutes
- Start free now — an email address and a password. No card, no download.
- Enter your business name, address and GSTIN.
- Add two or three of your own items with their HSN codes and rates — ideally at two different rates.
- Raise a real invoice and check the tax computed per line.
- Print it on the printer you actually use, or share the PDF to your own phone.
- Raise a second one and confirm the number advanced by itself.
- Export everything and open the file, so you know you can leave.
Where your data is, and how to stay able to leave
With installed software the data is on your machine, and the risk is losing it — a failed disk, a theft, a reformat. With a hosted system the data is on a server, and the risk is different: not losing it, but not being able to take it with you.
The protection against the second is export, and it is worth being specific about what good export looks like. Everything, not a summary. A format you can actually open — CSV, Excel or JSON rather than a proprietary archive. Available whenever you want it rather than on request. And on every plan, because an export that requires a payment to use is a lock.
The question to ask any vendor is what happens to your records if you stop paying. "They are deleted" and "the account is locked" are both answers that should end the conversation for a business keeping statutory records.
Here, export is on every plan including the free one, and the free plan does not expire — so an account cannot lapse into a state where your own records are unreachable.
The hardware question, answered honestly
Browser-based billing works with ordinary hardware, with one real caveat worth knowing before you buy anything.
Printers work the way they work for any web page: if your computer can print to it, this can print to it, including a thermal roll printer with the right paper size set. A USB barcode scanner behaves as a keyboard, so it types the code into the field — nothing special is needed. A phone or tablet works for billing but is poor for printing.
The caveat is deep hardware integration. A browser cannot talk directly to a weighing scale, a fuel dispenser, a cash drawer on a serial port or a card terminal. If your counter depends on the scale posting a weight into the bill, that needs installed software with a driver, and no web application will do it.
So the test is not "will it work with my printer" — it almost certainly will. It is "does anything at my counter need to speak to the software directly". If something does, that decides it.
CGST, SGST and IGST — worked out, not chosen
Whether a sale attracts CGST and SGST or IGST is not a preference. It follows from the place of supply: same state as your registration means the tax splits into central and state halves, a different state means one integrated tax at the combined rate.
That sounds simple and goes wrong constantly, because it is a dropdown in most billing software and a dropdown is something a tired person clicks past. In Billixo the split is derived from the state on the customer record against the state on your registration, and it changes the moment either does.
The consequence of getting it wrong is real: an IGST invoice raised as CGST/SGST has to be credited and reissued, and if the return has already gone in, amended.
HSN and SAC codes, and how many digits you need
Every line on a tax invoice needs an HSN code for goods or a SAC for services. How many digits depends on your aggregate turnover in the preceding financial year — smaller businesses report fewer digits than larger ones, and B2B and B2C invoices are treated differently.
Because the requirement is tied to turnover and has been tightened in stages, the practical answer is to store the fullest code you can against each product once, and let the software report at the level required. A six-digit code can always be truncated; a two-digit one cannot be expanded.
Billixo keeps the code on the product record and carries it onto every line automatically, and its AI HSN lookup will suggest one from a plain description when you genuinely do not know.
Bill scanning, in practice
The single largest time cost in most small businesses is not raising invoices — it is entering purchases. A photograph of a supplier bill goes in and a structured draft comes out: supplier, GSTIN, line items, rates, tax split and total.
You check it. That is the workflow, and it is deliberate: an extraction you did not read is a liability, not a saving. But checking a filled form takes fifteen seconds and typing one takes three minutes, and that difference compounds over a month of purchases.
A note for accountants and CAs
If you are the person who has to make sense of a client’s billing at the end of the month, what you need from their software is narrow and specific: a complete outward supply summary, correct place-of-supply treatment, HSN present on every line, and an export you can open without repair.
Billixo produces GSTR-1 and GSTR-3B summaries and exports to CSV, Excel and JSON. Client-side, the invoice fields cannot be skipped, which removes the category of problem where the data was never captured in the first place.
The price, plainly
Free is ₹0 and stays ₹0. The paid plans are bought for a fixed term, paid once, with no auto-renewal and no card kept on file — when a term ends the account drops back to Free until you decide to buy again.
There is no per-invoice charge, no per-user surprise on the free plan, and no feature that is technically included but practically throttled. What the plan says you get is what you get.
Compare the plans on the home page, or just start free now and look at the ceiling from the inside.
Reliability, backups and getting your data out
Cloud billing software is only as good as its worst day. Two things matter more than any feature list: that your data is backed up somewhere you can reach, and that you can export it in a format something else can read.
Exports here are CSV, Excel and JSON, on every plan including the free one, covering customers, products, invoices and payments. That is the honest test of whether software respects you — not what it promises, but what it lets you take when you leave.
Frequently asked questions
Can two people bill at the same time?
On the paid plans, yes, with separate logins and one shared numbering series so two people cannot issue the same invoice number. The free plan is a single login.
Is it open source?
No. It is a hosted commercial product with a free plan. If open source is what you want — control, no vendor dependency, the ability to change it — that is a legitimate requirement and there are real projects for it, with the hosting, backups and security updates then being yours.
Can I print on a thermal receipt printer?
Yes, if your computer prints to it. Set the paper size to your roll width and print as you would any page. What a browser cannot do is drive a cash drawer or a weighing scale directly.
Are the invoices valid for GST?
Yes. Every invoice carries the fields Rule 46 requires — GSTIN, HSN/SAC on each line, place of supply, the correct CGST/SGST or IGST split, and a consecutive invoice series that restarts each financial year.
Can I move my existing customers and products in?
Yes. Bulk import from CSV or Excel on any paid plan, and export back out in CSV, Excel or JSON at any time, including on Free. Most people bring their party and item lists across in one pass and carry outstanding invoices as opening balances.
See it working on your own bills
The fastest way to judge billing software is to bill with it. Photograph one supplier invoice, raise one sales invoice, and look at the PDF your customer would receive.
Open the software demo → — free account, no card, about a minute to set up.
More details on the home page → — what it does, what it costs, and where the limits are.
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