luckpandaFree tools for getting paid
Generators, calculators and checkers. Every one works without an account, and formats money the way the document's country writes it.
Document generators
Invoice generator
Bill a client in any currency, with tax worked out as you type.
Quotation maker
Make a priced quotation in any currency, with tax and a validity date.
Proforma invoice
Request payment or clear customs before you ship.
Receipt generator
Confirm a payment you received, itemised.
Credit note
Correct or refund an issued invoice.
GST invoice generator
GST tax invoice with GSTIN, CGST/SGST or IGST.
Bill generator
Make a bill online for a shop or service, in rupees.
Estimate generator
Give a client a priced estimate for a job.
Rent receipt generator
Monthly rent receipts for tenants and landlords.
Calculators
GST calculator
Add or remove GST at any rate, with the CGST, SGST or IGST split.
Reverse GST calculator
Find the price before GST from a GST-inclusive amount.
VAT calculator
Add or remove UK VAT at 20%, 5% or any rate.
Reverse VAT calculator
Take VAT out of a gross price to find the net amount.
Sales tax calculator
Sales tax and total by US state, with local rates.
Discount calculator
Sale price and savings for any percentage off, with stacked discounts.
Profit margin calculator
Margin and markup from cost and price, or the price for a target margin.
Markup calculator
Selling price from cost and markup, and the margin it gives.
Gross margin calculator
Gross profit and gross margin from revenue and cost of goods sold.
Hourly rate calculator
The freelance hourly and day rate that covers tax, costs and time off.
Break-even calculator
Units and revenue needed to cover your fixed costs.
EMI calculator
Monthly EMI, total interest and a yearly schedule for a business loan.
Late payment interest calculator
Statutory interest and compensation on a late UK invoice.
Gratuity calculator
Gratuity from your last wages and years of service, under the new Labour Codes.
HRA calculator
Tax-free HRA under the old regime, with the 2026-27 eight-city rule.
Simple interest calculator
Interest on a principal over days, months or years.
Compound interest calculator
Growth with yearly to daily compounding and monthly contributions.
TDS calculator
TDS on contractor, professional, commission and rent payments for 2026-27.
Number checkers
ITC eligibility checker
Check if GST on a purchase is claimable as ITC, with the section, deadline and GSTR-3B row.
HSN code finder
Search HSN and SAC codes with their GST rates, by product, service or code.
GSTIN checker
Check a GST number's format and check digit, and decode it.
IBAN checker
Validate an IBAN's length and check digits, and see its parts.
Keep everything you make
Sign in with your email and your drafts become documents in your own business, with clients, payments and books alongside.