Free tools · no sign-up · nothing uploaded
Invoices that get paid. Images light enough to pass Core Web Vitals. QR codes that actually scan. Four tools that run inside your browser, plus guides that explain the rules behind them — written by the people who built the tools.
100% free No registration Works offline once loaded
The toolkit
Each one does a single job properly. No dashboard, no upsell, no ten-image daily limit that quietly appears once you are halfway through.
Build a clean, professional invoice and download it as a PDF
Open toolShrink JPG, PNG and WebP files without visible quality loss
Open toolCustom colours, adjustable error correction, HD PNG or SVG download
Open toolExact age in years, months and days — plus your next birthday
Open toolHow we work
Every tool here runs entirely in your browser using standard web APIs. Images are compressed on your own machine, invoices are rendered locally, QR codes are drawn in a canvas element. There is no upload step, so there is nothing on our servers to leak, sell or lose.
You do not sign up, you do not hand over an email address, and the output is not stamped with our logo. A tool that asks for your details before it does its job is a lead-capture form wearing a costume.
When we tell you what a US invoice must contain or what makes an electronic signature enforceable, we link to the IRS, GOV.UK or the statute itself. Anything that depends on your jurisdiction is flagged as such rather than presented as a universal rule.
Guides
Long-form guides on invoicing, payment terms, signatures and image performance — each one sourced, dated, and revised when the underlying rules change.
Almost every 'free' invoicing product is free to send and paid to get paid. Here is where the money really sits, which limits you will hit first, and how to tell whether you need software at all.
A complete walkthrough of making an invoice online at no cost — what every field is for, which free tools attach strings, and how to send it so it actually gets paid rather than sitting in an approval queue.
A complete invoice template you can copy and use today, plus what every field is for, how US and UK requirements differ, and the template mistakes that quietly delay payment.
Add your details, list what you did, set your terms, download the PDF. No template to hunt for, no formatting to fix, no account to create.