Free — GST-Ready — Made for India

Smart GST Invoicing
for Indian Businesses

Create professional, GST-compliant invoices in under 60 seconds. Manage clients, products, and revenue — all stored privately in your browser.

⚡ Create Free InvoiceSee Features ↓
1,00,000+
Invoices Created
100%
GST Compliant
₹0
Cost Forever
app.gstbiller.in/dashboard
📊 Dashboard
📄 Invoices
👥 Clients
📦 Products
Total Revenue
₹2,84,500
This Month
₹38,200
Recent Invoices
📄
INV-2025-047
Rahul Traders
₹18,468
Paid
📄
INV-2025-046
Sharma & Co.
₹7,670
Sent
✓

Auto state calculations

CGST + SGST Split

💬

AI Offline Companion

Ask Biller Active

Features

Everything you need to
bill professionally

Designed specifically for Indian freelancers, consultants, and small business owners.

GST-Compliant Invoices

Auto-calculate CGST, SGST & IGST based on client state match. Generate print-ready PDF invoices with your branding in seconds.

Client & Lead Kanban

Track potential customers on a beautiful Kanban board. Assign custom business categories, and convert leads to clients with 1 tap.

Ask Biller (Smart AI)

Interact with our built-in offline smart assistant to guide you and answer all your GST, invoicing, and stock queries instantly.

Theme Customisation

Make it feel like your business brand. Customize theme preferences (Light, Dark, and System modes) and your primary brand color.

Excel Bulk Lead Import

Onboard clients instantly! Upload and import lead databases in bulk using standard Excel or CSV spreadsheet uploads.

Catalogue & Stock Tracker

Save products and services with HSN/SAC codes, default GST rates, and units. Track stock counts automatically as you bill.

10-second invoicing

Create and share
invoices in 10 seconds

01.Add party

Step 1

Quickly fill out billing details. Auto-saves party info for one-tap autocomplete in future invoices.

NS

Tax Invoice

#INV-2026-0419 · May 21, 2026
✓ Saved
Bill To
Nextspeed Technologies Pvt LtdGSTIN: 36AABCS1234R1Z5
ItemQtyAmount
Wireless Keyboard2₹5,000.00
Optical Mouse1₹1,000.00
Subtotal₹6,000.00
GST (18%)₹1,080.00
Total₹7,080.00
💬 Send on WhatsApp

Share tax invoice PDF link directly with clientNextspeed.

Send PDF Bill Now→
🖨️ PDF Print SheetA4 Standard
ORIGINAL FOR RECIPIENTPAGE 1 OF 1
⚡
GST BILLER RECEIPT
PAID RECEIPT VALUE₹5,900.00
Print Receipt
🔥Typing Client...
Reviews

Loved by Indian businesses

★★★★★

"GST BILLER changed how I bill clients. Creating professional GST invoices used to take 20 minutes — now it's under 2 minutes!"

A

Arjun Mehta

Freelance Designer—Mumbai

★★★★★

"The product catalogue feature is brilliant. I saved all my items once and now billing is just choosing from the list. Love it!"

P

Priya Sharma

Boutique Owner—Delhi

★★★★★

"Finally an invoicing tool that understands Indian GST! IGST vs CGST+SGST auto-switching is exactly what I needed."

R

Rahul Gupta

IT Consultant—Bangalore

Pricing

100% Free. Forever.

No plans. No tiers. No credit card. Everything is free for everyone, always.

Free Forever

₹0/forever

Every feature, every tool — completely free. No strings attached.

⚡ Start for Free
✓
Unlimited invoices
✓
Client management
✓
Product catalogue
✓
GST auto-calculation
✓
PDF download & print
✓
Revenue reports
✓
Dark & Light mode
✓
100% private & offline
✓
HSN/SAC code support
✓
IGST / CGST / SGST split

No account needed — Data stays in your browser — No ads

FAQ

Frequently Asked Questions

Have questions about GST BILLER? We have got you covered.

Yes, absolutely! There are no hidden fees, paid tiers, or limits. Every single feature (unlimited invoicing, lead pipelines, stock trackers, Ask Biller AI assistant) is 100% free for everyone, always.
Yes, entirely. All your data (invoices, client details, leads, product catalogues) is stored locally inside your browser's private offline storage. We have no servers and collect none of your business or client details. Total privacy guaranteed.
Yes! GST BILLER is fully offline-capable. Since your database resides inside your browser, you can create invoices, manage leads, view catalogues, and check revenue reports completely offline.
The app automatically switches between CGST+SGST (intra-state) and IGST (inter-state) depending on client state matching. If the client's billing state matches your business state (set in settings), it splits CGST and SGST; otherwise, it applies IGST.
Yes! We support bulk lead databases. Go to the Leads tab, open the bulk import modal, and upload your standard Excel (.xlsx) or CSV spreadsheet to instantly populate your Kanban boards.
Yes, absolutely. Under 'Workspace Preferences -> Customisation' in the sidebar, you can set any custom hex color code and switch between Light mode, Dark mode, or match your System theme preferences instantly.
🚀

Ready to create your first
GST invoice?

No sign-up. No payment. Just open the app and create beautiful, tax-compliant invoices in seconds.

⚡ Create Invoice NowView Dashboard