BMR Calculator
Basal metabolic rate: the calories you burn doing nothing at all.
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Date Difference Calculator
Count the days, weeks, months and years between two dates.
Shoe Size Conversion
Convert shoe sizes across US, UK, EU and Japan.
Bra Size Calculator
Bra size from two measurements, with sister sizes.
Golf Handicap Calculator
Handicap index from your scores under the World Handicap System.
Keyword List Cleaner
Deduplicate, trim and tidy a messy keyword export.
Break-Even ROAS Calculator
The ROAS you need just to break even, from your gross margin.
Abandoned Cart Email Generator AI
Cart recovery emails with subject and CTA, AI or instant.
Affiliate Commission Calculator
Work out affiliate commission per sale and across a whole period.
Customer Lifetime Value Calculator
Work out CLV from order value, purchase frequency and lifespan.
Invoice Data Cleaner
Clean a list of invoice data: whitespace, duplicates, dates, amounts and names.
Invoice JPG to PDF
Turn photos of invoices into one tidy PDF, sized to the page and in the right order.
Invoice to CSV
Turn an invoice into CSV rows — header fields, line items, or both.
Invoice Tax Extractor
Pull the VAT or GST out of an invoice — rate, amount, registration number and treatment.
Invoice Number Extractor
Pull the invoice number out of a PDF, a scan or a pile of pasted invoices.
XML Invoice Generator
Turn an invoice into XML — a plain readable file, UBL 2.1 or CII — from a simple form.
Invoice Unpaid Stamp Generator
Mark an invoice as still owing when you resend a copy.
Invoice Watermark Generator
Watermark an invoice PDF — COPY, DRAFT, CONFIDENTIAL — on every page, in your browser.
Invoice Stripe Link Generator
Add the invoice number and customer email to a Stripe Payment Link.
Invoice Generator with Payment Link
Put a clickable pay-now link on the invoice and in the email that sends it.
Invoice Status Checker
Work out the status of every invoice: draft, sent, due, overdue, part paid or settled.
Unpaid Invoice Tracker
A working list of what is unpaid, what to chase today, and what to say.
Invoice Collection Letter Generator
A formal letter before action for a debt that has stopped being a conversation.
Late Payment Reminder Generator
A firm reminder with the interest and recovery costs you are entitled to claim.
Invoice Description Generator
Write line descriptions specific enough that nobody has to ring you about them.
Invoice GST Calculator
Work out GST at any rate, and split it into CGST, SGST or IGST for India.
Invoice in INR
Bill in rupees with GST, HSN codes, IFSC details and lakh formatting.
Legal Invoice Generator
A solicitor’s bill with time entries, disbursements and VAT treated correctly.
Repair Invoice Generator
Diagnosis, labour, parts and warranty on a repair invoice for anything.
Invoice Template Editor
Change the layout, colours, columns and wording of an invoice and see it as you edit.
International Invoice Generator
Invoice a client abroad: their currency, their date format, and the right tax treatment.
LCH Color Converter
Convert LCH to HEX and RGB — LAB in polar form, as CSS uses it.
Canadian Mortgage Calculator
Canadian mortgage with semi-annual compounding and CMHC insurance.
Mortgage Calculator UK
UK repayment or interest-only mortgage with stamp duty and LTV.
HELOC Calculator
How much you can draw, and the payment during and after the draw.
Gas Mileage Calculator
Measure real fuel economy from your odometer and fill-ups.
Overweight Calculator
How far above a healthy weight you are, and by which measure.
Ideal Weight Calculator
Compare four ideal weight formulas plus the healthy BMI range.
Time Calculator
Add and subtract hours, minutes and seconds without base-60 mistakes.
Mulch Calculator
Mulch in cubic yards and bags for any bed depth.
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