Invoice Maker – GST Bill Book

Make GST invoices, bills and quotations in seconds, share them on WhatsApp with a UPI QR code, and keep your khata (udhar) book in the same app. Invoice Maker – GST Bill Book is made for Indian shops, traders, wholesalers, service providers and freelancers. It works fully offline and your data stays on your phone.

★ GST INVOICES AND BILLS
• Tax Invoice with CGST + SGST or IGST, chosen automatically from the place of supply
• Bill of Supply for composition dealers, and simple invoices for businesses without GST
• HSN/SAC codes, units, discounts, tax-inclusive (MRP) prices and round-off
• GSTIN check for you and your customers
• Invoice numbers are never reused, as GST rules require
• Save as draft, then issue when ready. Drafts never count in your sales or dues.

★ PROFESSIONAL PDF INVOICES
• Your logo, signature, bank details and terms on every invoice
• Scan-to-pay UPI QR code with the exact amount due (GPay, PhonePe, Paytm, BHIM)
• Modern and print-friendly Classic designs, with your own brand colour
• Amount in words, PAID stamp and balance due
• Print, save as PDF, or print a 58mm thermal receipt

★ SHARE ON WHATSAPP
• Send the invoice PDF straight to your customer's WhatsApp chat
• Ready-made, polite payment reminder messages
• Mark invoices as sent once your customer has them

★ PAYMENTS AND DUES
• Record full or part payments with date, mode (UPI, cash, bank, cheque), UTR or reference and note
• Undo a payment removed by mistake. Removed payments stay in the history.
• See what is due, partly paid, paid and overdue at a glance
• Daily reminders for invoices due today or overdue

★ KHATA BOOK (UDHAR) FOR CUSTOMERS AND SUPPLIERS
• "You gave" and "You got" entries with running balance
• Customer payments are applied to their unpaid invoices first, so nothing is counted twice
• Opening balance for customers you already have
• Supplier khata: purchases on credit and payments made
• Promised payment dates and reminders
• Khata statement PDF for any period, with balance brought forward
• Send reminders on WhatsApp after reviewing and editing the message

★ QUOTATIONS AND ESTIMATES
• Make quotations and estimates with validity dates
• Convert a quotation to an invoice in one tap

★ GST REPORTS FOR YOUR CA
• Sales, payments received and GST collected by rate
• Dues ageing: not yet due, 1–30, 31–60 and over 60 days late
• Top customers
• GSTR-1 CSV (B2B, B2CL, B2CS, HSN) and sales register to share with your accountant

★ MORE USEFUL TOOLS
• Recurring invoices for rent, retainers and AMC
• Daily cashbook: cash in, cash out and cash in hand
• Item list with rates, HSN and GST
• Pick customers from your phone contacts

★ 13 INDIAN LANGUAGES
English, हिन्दी, বাংলা, मराठी, తెలుగు, தமிழ், ગુજરાતી, ಕನ್ನಡ, മലയാളം, ଓଡ଼ିଆ, ਪੰਜਾਬੀ, অসমীয়া, اردو
Choose one language for the app and another for your invoices and messages.

★ PRIVATE, SAFE AND OFFLINE
• Works without internet. No sign-up, no account.
• Your data stays on your phone. No ads and no tracking.
• App lock with PIN or fingerprint
• One-tap backup to Google Drive or any folder, with a weekly reminder, and safe restore

★ MAKE IT YOURS
Light, dark or colourful theme in your favourite colour.

Perfect for kirana and general stores, electronics and hardware shops, wholesalers and distributors, textile and garment shops, medical stores, repair and service businesses, contractors, consultants and freelancers.

Download Invoice Maker – GST Bill Book and make your next GST bill in under a minute.

Note: the app calculates GST from the details you enter. Please check rates and HSN codes, and have your returns reviewed by your CA before filing.

Recent changes:
Welcome to Invoice Maker – GST Bill Book!

• Fast GST Invoicing: Create Tax Invoices, Bills of Supply & Quotations with automatic CGST, SGST & IGST calculation.
• UPI QR Codes: Print dynamic scan-to-pay QR codes directly on invoices for quick payments.
• Khata & Ledger: Maintain customer and supplier balances with ease.

• 100% Offline & Private: No internet required, no sign-in, and all data stays secure on your device.