LedgerOS is a fast, offline billing software built for Indian traders and shop owners. Create GST invoices, manage stock, track parties. No internet. No monthly fees. No surprises.
One-time purchase. Works on Windows 7, 8, 10, 11. No account needed.
Trusted by traders and shop owners across India. Join 500+ businesses already billing faster with LedgerOS.
Most billing apps today are built for the cloud. That creates real problems at the counter.
Customers wait. You look bad. One cut in connectivity kills your entire counter.
Web-based apps load in 10-15 seconds. You have 200 customers to bill. That time adds up.
Your customer list, your rates, your invoices -- all sitting on someone else's server.
Rs 500, Rs 1000, Rs 1500 every month. Whether you bill 10 invoices or 10,000.
LedgerOS runs 100% on your computer. Opens in 2 seconds. Works without internet. Your data never leaves your machine.
Built around how you actually work at the counter -- keyboard-first, fast, and GST-correct.
CGST/SGST/IGST auto-calculated per line. Mixed rates (5%, 12%, 18%, 28%) on the same invoice. Bill ready before the customer finishes talking.
No internet connection needed. Ever. Open LedgerOS in the morning, bill all day, close at night. Power cut, internet cut -- doesn't matter.
Search by item code, item name, or alias. Multiple ways to find the same item. Results appear as you type.
Create quotations with PDF export. Issue delivery challans. Convert both to invoices with one click -- no re-entry.
Record cash, bank, UPI, and cheque payments. Bill-wise adjustment. Advance payments tracked automatically. Outstanding aging at a glance.
Track stock per item with multiple units (Meter, Coil, Box, Piece). Low stock alerts. Negative stock warnings. Full item-wise ledger.
GSTR-1, GSTR-3B, HSN Summary, ITC Register, Tax Liability. Export to Excel. Your CA gets clean data -- no manual cleanup.
Full transaction history per party. Aging report (0-30, 31-60, 61-90, 90+ days). Credit limit warnings. Know who owes you and how much.
Print invoices on any printer -- laser, inkjet, thermal roll (58mm, 80mm), dot matrix. Multiple printer profiles. Always shows preview first.
Already on Tally? Import your item master and party master via Tally XML. Switch without starting from zero.
Enter moves to next field. F9 saves and opens a new invoice. Ctrl+P prints. Ctrl+S saves. Built for operators who bill 100+ invoices a day.
Automatic backup on app close. 30-day rolling retention. USB nudge reminder if you haven't backed up externally. One file = full restore.
Every sale, purchase, and return updates your stock in real time. No separate inventory software needed.
Every invoice saved reduces stock instantly. Every purchase entry adds to it. Your stock count is always current -- no end-of-day batch updates.
Sell wire by metre and coil on the same item. Track switches by piece and box. LedgerOS handles conversions automatically so your stock stays accurate.
Set a minimum quantity for each item. LedgerOS flags it on screen and can send you a WhatsApp alert the moment stock drops below threshold.
Define reorder levels per item. When stock hits the trigger, draft a purchase order to your supplier in one click -- pre-filled with item, quantity, and last rate.
Selling more than you have in stock? LedgerOS warns you before saving. Prevents billing errors that distort your inventory records.
Full movement history for every item -- every sale, every purchase, every return, every adjustment. Know where every unit came from and where it went.
Track items by batch number. Set expiry dates. Get alerts before batches expire. Essential for FMCG and any perishable goods.
Know the total value of your current stock at any time -- at purchase cost or sale price. Critical for year-end accounts and insurance.
Inventory + Billing in one place.
No sync issues. No double entry. No separate app to manage.
If you stock items, raise GST invoices, and need fast billing at the counter -- LedgerOS is for you.
See how LedgerOS stacks up against the alternatives Indian traders use.
No server setup. No IT person needed. No account to create.
One installer file. Runs on any Windows PC from Windows 7 to Windows 11. Takes under 2 minutes. No internet needed after install.
Add your company name, GSTIN, and logo. Import items and parties from Tally XML -- or add them manually. Ready in an afternoon.
Open a new invoice. Search for the party. Search for items by code or name. GST calculates automatically. Print and hand over. Done.
"
Finally a billing software that opens in 2 seconds and doesn't freeze when my internet cuts out. My counter hasn't stopped once since I switched.
-- Hardware Store Owner, Pune
"
The item search is very fast. I type the item code and it's there. My staff learned it in one day. No need for any training.
-- Auto Parts Dealer, Hyderabad
"
I was on Tally for 10 years. Imported my data in 20 minutes. GSTR-1 export is clean, my CA didn't need to fix anything. Worth it.
-- Pharma Distributor, Coimbatore
LedgerOS never sends your data anywhere. Everything stays on your computer.
Your entire business data is one file. Copy it to a pen drive. That's your full backup.
No vendor can lock you out. No subscription can cut your access. Your data is always available.
LedgerOS backs up automatically every day. 30 days of rolling history. Restore in one click.
Copy the one file to a new machine and you're up. Full history, all invoices, all parties.
Download LedgerOS and see why traders across India prefer it over cloud billing apps. One-time price. No subscriptions.
Download for WindowsNo account required. No internet needed after install. Works on Windows 7 and above.