Free tools for tradies — invoice templates that actually work on a phone.
Seven free invoice generators built for plumbers, electricians, HVAC techs, handymen, locksmiths and every solo contractor in between. Fill in the form, pick a template, download a clean PDF in 60 seconds. 60 currencies, regional tax presets, three designs.
Free Invoice Generator (universal)
The full-featured generator that auto-detects your currency, applies the right regional tax label (VAT, GST, sales tax, IVA), and gives you three template designs (Classic, Modern, Minimal). Works for any trade or service business. Add discount, change document type to Quote or Receipt, share by WhatsApp.
- ✓ 60 worldwide currencies
- ✓ 3 PDF designs
- ✓ Tax + discount fields
- ✓ Editable document label
Trade-specific templates
Pick your trade — get the right preset items, FAQ and tax fields.
Each variant is pre-loaded with the line items that trade uses every day (callout fees, materials markup, refrigerant for HVAC, lockout fees for locksmiths) so you skip the typing and get to a download faster.
Plumbing Invoice Template
8 plumbing presets — drain clearing, faucet repair, water heater install, leak detection, callout fees and more.
Open tool →HVAC Invoice Template
Built-in refrigerant tracking, EPA 608 reference field, AC tune-up and service contract presets.
Open tool →Electrical Invoice Template
EICR / EIC certificate fields, panel upgrade, fault finding, outlet replacement presets — for contractors.
Open tool →Electrician Invoice Template
For solo electricians — light fixture install, ceiling fan, EV charger, smart switch and emergency callouts.
Open tool →Handyman Invoice Template
Multi-trade ready — TV mounting, furniture assembly, drywall repair, painting, hourly rate presets.
Open tool →Locksmith Invoice Template
Lockout callout, key cutting, smart lock install, rekey and emergency after-hours fee presets.
Open tool →How it works
From blank screen to PDF in 60 seconds.
Fill in your details
Your business name + customer name + line items. Currency and tax are auto-detected from your location — override anything you need.
Pick a template
Classic (clean professional), Modern (orange accent block) or Minimal (black and white). Live preview updates as you type.
Download & send
Enter your email, get the PDF, send it by WhatsApp or attach to an email. No signup, no watermark on the file.
Why we built these
A free thank-you to the trade community.
We are Decker Field Service Software — a field service management app built specifically for solo plumbers, electricians, HVAC techs and small service teams. We work in the trades. We know the pain of trying to write a clean invoice on a cracked phone screen in the cab of your truck, with the dog barking and a customer waiting to pay.
Most "free invoice generators" online are honestly awful. They cap you at three invoices a month, they slap a giant watermark on the PDF, they harvest your data, and the templates look like they were designed in 2007. We wanted to fix that — at least for tradies.
Every tool on this page is genuinely free with no usage limits and no watermark. Your data never touches our servers — the PDF is built right in your browser. We only ask for your email at the download step so we can send you (entirely optional) tips on getting paid faster, reducing late payments and growing a service business. One-click unsubscribe.
If you find these helpful and you outgrow a one-off PDF — if you need recurring jobs, Stripe payments, customer history, WhatsApp reminders and a calendar that doesn't double-book you — that's exactly what Decker does, starting at $19/month flat. See Decker pricing →
Questions
Quick answers about the free tools.
Are these tools really free?
Do I need to install anything?
Which currencies are supported?
Does the tax field handle VAT and GST?
Can I save my company details for next time?
Why does Decker offer these tools for free?
Ready for more than a one-off PDF?
Run your whole field service business from one app.
Decker turns the same data you just typed into the free tool into recurring jobs, automatic Stripe payments, WhatsApp reminders, customer history and a calendar that doesn't double-book you. $19/month flat for solo, $39/month for teams.