Dashboard
Invoice Builder
Professional Invoice Builder
Create, customize, and export professional GST-compliant client invoices locally in your browser.
100% Offline
Business
Invoice Details
Your Details (Seller)
Bill To (Client)
Line Items
Terms & Notes
Discount & Adjustments
Actions
Invoice Summary
Sub-Total
₹0
Discount
-₹0
GST Tax (Combined)
₹0
Total Due
₹0
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Frequently Asked Questions
Quick direct-answer guides about using this utility tool locally and securely.
Is this invoice generator completely free to use?
Yes, KuberAgent invoice generator is 100% free with no sign-up, no watermark, and no limit on the number of invoices you can create or download.
Are my client invoice details uploaded to your servers?
No. All invoice details, including client names, payment terms, and items list, are processed entirely within your browser memory (RAM) and are never sent to any server. Your client billing data is 100% private.
Can I create recurring or multiple invoices for the same client?
Yes, you can generate as many invoices as you need for any client —
KuberAgent doesn't limit the number of invoices, and each one processes
independently in your browser with no saved history unless you choose to
save a copy.
KuberAgent doesn't limit the number of invoices, and each one processes
independently in your browser with no saved history unless you choose to
save a copy.
What details are mandatory on a GST invoice?
A valid GST invoice must include your GSTIN, invoice number and date, customer name and address, HSN/SAC codes for each item, a tax breakdown (CGST+SGST for intrastate, or IGST for interstate), and the total taxable value plus tax amount.
What is the difference between CGST, SGST, and IGST?
CGST and SGST apply together on intrastate transactions (sales within the same state), split equally between central and state governments, while IGST applies on interstate transactions (sales across state lines) and is collected entirely by the central government.
Can I add my company logo to the invoice?
Yes, you can add your business logo, name, address, and GSTIN to personalize your invoice and give it a professional, branded appearance.
What format can I download my invoice in?
Invoices generated with KuberAgent can be downloaded as ready-to-print PDF files, which you can email directly to clients or print for physical records.
What is the difference between a tax invoice and a proforma invoice?
A tax invoice is the final legal document issued after a sale is confirmed and is used for claiming Input Tax Credit, while a proforma invoice is a preliminary estimate sent before the sale to inform the buyer of expected costs and isn't a demand for payment.
Do freelancers need to charge GST on invoices?
Freelancers registered under GST (mandatory once annual turnover crosses ₹20 lakh, or ₹10 lakh in special category states) must charge GST on their invoices and mention their GSTIN, while unregistered freelancers below this threshold can issue invoices without GST.