Free Invoice Generator
GST · VAT · PDF · No Signup
Create professional, tax-compliant invoices in minutes — free, online, and with zero accounts needed. Built for Indian freelancers, small businesses, and international agencies, UntangleTools Invoice Generator handles GST (CGST/SGST/IGST), VAT, custom taxes, line items, discounts, branding, and PDF export in one place. Live preview shows you exactly what your client will receive before you hit download.
GST/VAT/Custom
Tax Systems
3 Premium
Templates
Export Format
None
Data Stored
Everything You Need to Invoice Professionally
From GST calculation to watermarked PDFs — all features are free, no account required
GST / VAT / Custom Tax
Auto-split CGST & SGST for Intra-State GST. Switch to Inter-State for IGST. Full VAT support and flexible custom tax rates for international use.
Full Brand Customisation
Theme colour picker, logo upload with size & position, font choice per section, and independent typography controls for each part of the invoice.
3 Premium Templates
Choose from three professionally designed invoice layouts — classic, modern, and minimal — each fully customisable with your branding.
Watermark Support
Add a text or image watermark to your invoice PDF with controls for rotation, size, and opacity. Mark documents as Draft, Paid, or Confidential.
Live Preview
See your invoice update in real time as you fill in details. No waiting, no reload — what you see is exactly what downloads.
Instant PDF Export
Generate and download a print-ready PDF in one click. No signup, no account, no credit card. Free to use.
Discount Controls
Apply percentage or flat discounts at the per-item level or on the invoice total. Discount labels keep your documents clear and professional.
Digital Signature
Upload a PNG/JPG signature or draw directly in the browser with the signature pad. One click to apply to the invoice.
How to Create an Invoice Step by Step
Six steps from blank form to downloaded PDF — takes under 3 minutes
Fill Invoice Details
Enter your invoice number, date, due date, currency, and choose your tax system — GST (India), VAT, or custom. Set GST type as Intra-State or Inter-State. Add optional PO number and custom fields for any extra data your business requires.
Add Line Items
Switch to the Items tab. Add products or services with description, quantity, unit, and rate. Tax percentages auto-split into CGST and SGST for GST users. Add as many line items as needed. Apply per-item or invoice-level discounts — either flat amount or percentage.
Customise Branding
Open Branding to set your theme colour, many fonts, and upload your business logo with size and position controls. Enable a watermark — text or image — with rotation, opacity, and size sliders. Every change reflects instantly in the live preview.
Add Notes & Signature
In the Notes tab, add payment instructions, terms & conditions, and bank/UPI details. Upload a signature image or draw one directly in the browser. Typography controls let you independently set font size and weight for the notes section.
Preview in Real Time
Click Preview at any point to see a pixel-perfect render of your invoice. The live preview updates as you type — no refresh needed. Switch between three premium templates to find the layout that fits your brand.
Download as PDF
Hit Download PDF to export a print-ready, professionally formatted PDF in seconds. No account required. No watermark on your output. Works on desktop and mobile browsers.
How Invoice Totals Are Calculated
Transparent formulas — understand exactly how GST, discounts, and totals are computed
Qty × Rate5 × ₹1,000 = ₹5,000Line Total × (Tax % ÷ 2)₹5,000 × 2.5% = ₹125Line Total × (Tax % ÷ 2)₹5,000 × 2.5% = ₹125Line Total × Tax %₹5,000 × 5% = ₹250Sum of all Line Item Totals₹5,000 + ₹8,000 = ₹13,000Subtotal × Discount %₹13,000 × 10% = ₹1,300Fixed amount subtracted from Subtotal₹13,000 − ₹500 = ₹12,500Subtotal + All Taxes − Discounts₹13,000 + ₹650 − ₹1,300 = ₹12,350GST Type Determines Tax Split
When Intra-State is selected, the tool splits your tax percentage equally into CGST and SGST (e.g., 18% becomes 9% + 9%). When Inter-State is selected, the full rate applies as a single IGST charge. This switching is automatic — you only need to pick the correct type once in the Details tab.
Invoice Examples for Different Scenarios
See exactly how to configure the tool for common billing situations
Freelance Designer Invoice — India (GST)
A freelance UI designer in Mumbai bills a Delhi-based startup for a branding project.
Agency Retainer Invoice — UK (VAT)
A London digital agency invoices a local client for a monthly SEO retainer.
Product Business — Multiple Items + Discount
An e-commerce seller invoices a wholesale buyer for three product SKUs with a bulk discount.
Built for Real Billing Workflows
Whether you're a solo freelancer or running a business, the tool adapts to your needs
Freelancers & Consultants
- Bill clients for projects, retainers, or hourly work
- Add professional signature without printing and scanning
- Set custom payment terms in the Notes section
- Download PDF and send directly via email
Small Business Owners
- GST-compliant invoices with auto CGST/SGST split
- Multi-item invoices with bulk discount support
- Brand every invoice with logo, colour, and watermark
- Use custom fields for GSTIN, PAN, HSN codes
Agencies & Studios
- Premium templates that match agency-level presentation
- Per-project branding with custom theme colours
- Itemised billing with notes per line item
- Draft watermark for internal approval before sending
International Businesses
- VAT support for UK, EU, and Australian billing
- Multi-currency selector for cross-border invoicing
- Custom tax system for any regional requirement
- PO number field for enterprise purchase order workflows
Frequently Asked Questions
Answers to the most common questions about creating invoices, GST billing, and using the tool
