Business Tools
Free business tools including a no-watermark invoice generator with PDF download. No signup.
Invoice Generator
Create professional invoices for free. Fill the form, preview live, and download a clean PDF. No watermarks on…
OpenMarkup Calculator
Free markup calculator. Set a selling price from cost and markup %, or back out the markup. Always shows gross…
OpenROI Calculator
Free ROI calculator. Compute return on investment and annualized CAGR for any investment, with optional recurr…
OpenFreelance Hourly Rate Calculator
Free freelance hourly rate calculator. Work out the minimum rate to hit your income target after expenses, tax…
OpenWord Counter
Free word and character counter. Count words, characters (with/without spaces), sentences, paragraphs, and rea…
OpenHex to RGB Color Converter
Free hex to RGB color converter. Convert between #RRGGBB hex codes and RGB values with a live color swatch. No…
OpenFile Size & Download Time Calculator
Free file size and download time calculator. Convert bytes, KB, MB, GB, TB and estimate download time at your …
OpenBusiness Days Calculator
Free business days calculator. Add business days to a date or count weekdays between two dates. Skips weekends…
OpenCap Rate Calculator
Free cap rate calculator. Compute the capitalization rate for a rental property from net operating income and …
OpenLate Payment Interest Calculator
Free late payment interest calculator. Work out interest on an overdue invoice or debt by days and annual rate…
OpenPayback Period Calculator
Free payback period calculator. See how long an investment takes to recoup its cost from annual savings or cas…
OpenTime Zone Converter
Free time zone converter. Compare current times across three zones and find the working-hours overlap for a me…
OpenPassword Strength Checker
Free password strength checker. Score any password by entropy and estimated crack time. Runs entirely in your …
OpenMarkdown to HTML Converter
Free Markdown to HTML converter. Turn headings, bold, lists, links, and code into clean HTML for paste into a …
OpenPomodoro Timer
Free Pomodoro timer. 25-minute focus blocks with 5-minute breaks to beat procrastination. Runs in your browser…
OpenWhat belongs in the business category?
The business category is where ToolkitHQ tools earn money rather than spend it — starting with the invoice generator, a free tool that turns line items, tax, and your details into a clean, printable invoice with no watermark. More business tools are on the way.
What you can do
- Generate an invoice — add your business details, a client, line items, tax rate, and notes; preview it live as you type.
- Download a clean PDF — the free preview is watermark-free, and a branded PDF with your logo is available with Pro.
- Send something that looks professional — a proper invoice helps freelancers and small businesses get paid on time.
How to use the result
- Fill in your business name and details exactly as they appear on your bank account — mismatches slow down payments.
- Add every line item with the correct quantity and rate so the totals are obvious to your client at a glance.
- Set the tax rate to the correct figure for your jurisdiction — the invoice generator applies it automatically.
- Preview before you send, then download or print. Number your invoices and keep a copy for your records and tax time.
Is the invoice generator really free?
Yes. Creating an invoice, previewing it, and downloading the clean PDF version is free with no account and no watermark. The only paid upgrade is a branded PDF with your own logo, which is part of the one-time ToolkitHQ Pro purchase covering all tools.
Common mistakes
- Using a friend’s address or wrong business details. An invoice is also a tax document in most places — get the legal name and ABN/company number right.
- Skipping an invoice number. Numbered invoices make bookkeeping and client questions far easier.
- Forgetting payment terms. State when payment is due so there’s no ambiguity about late or early settlement.
If you bill hourly, pair the invoice generator with the salary-to-hourly converter in the Finance category to set a rate that covers your costs. And if a client ever asks for a discount or a tax breakdown, the percentage calculator settles the math in seconds.