Invoice in 60 seconds.
Get paid faster.
Clever Invoice is the invoicing software that lets you create professional e-invoices right from your phone – on the job site, at your client, on the go. No paperwork, no office needed. Just speak, type, or snap a photo.
Invoicing made ridiculously simple
From idea to sent invoice in under a minute
Free E-Invoicing Tools
All the tools you need for the 2025 e-invoicing requirement
E-Invoice Converter
Convert PDF to XRechnung or ZUGFeRD. Free & no signup required.
Convert nowXRechnung & ZUGFeRD Validator
Free online validator for e-invoices. EN 16931 compliant, KoSIT engine, instant results.
ZUGFeRD Generator
Create ZUGFeRD 2.x compliant e-invoices from your data.
Generate nowWhy 50,000+ freelancers use WhatsApp
Zero installation
No new app, no login, no password. You already have WhatsApp – that's all you need. Start instantly.
Anytime, anywhere
At the job site, on the train, at a client meeting – create invoices wherever you are. Even offline.
Just speak
5 minutes typing or 30 seconds speaking? Easy choice. Dictate – done.
47 seconds
That's how fast your next invoice will be ready. Guaranteed.
3 Ways to Invoice
You decide how to create your invoices
The AI understands you
Our AI automatically recognizes all relevant information from your message
"Please create an invoice for Müller GmbH. I worked on their website for five hours last week, hourly rate as always eighty euros."
Ready for the e-invoicing obligation
From January 1, 2025, all German companies must be able to receive e-invoices. With Clever Invoice, you're automatically compliant.
What you need to know:
- 2025Receiving obligation for all B2B companies
- 2027Sending obligation for companies > €800,000 revenue
- 2028Sending obligation for all companies
- ⚠️PDF via email is no longer enough – e-invoice means structured XML format
Validate your E-Invoice before sending
Avoid rejections: Validate your XRechnung or ZUGFeRD invoice for free. EN 16931 compliant, results in seconds.
EN 16931 Conformity
All European and German rules (BR-DE)
Instant Results
Validation in less than 3 seconds
100% Free
No registration, no hidden costs
✓ XRechnung 3.0 ✓ ZUGFeRD 2.x ✓ KoSIT Engine ✓ No data storage
Built for people who work
Instead of evenings with paperwork: More time for what matters
Integrations
Connect your favorite tools with Clever Invoice. Stripe, PayPal, Klarna, DATEV and many more – fully automated in one application.
Over 5,000 happy users
Frequently Asked Questions
Everything you need to know about Clever Invoice
What is Clever Invoice?
How much does Clever Invoice cost?
Is Clever Invoice e-invoice compliant?
Can I create invoices via WhatsApp?
Is my data secure?
Is there a DATEV interface?
Das könnte Sie auch interessieren
Explore More
Free Resources
Everything you need to know about the e-invoice mandate
The Ultimate E-Invoice Guide 2025
Everything you need to know about the e-invoice mandate. 50+ pages of expert knowledge.
Your data is secure. No spam.
E-Invoice Checklist
Free download
Live Webinar: E-Invoice Mandate 2025
Every Wednesday, 2:00 PM
Try it now – free
14 days free. No credit card. No cancellation needed.
✓ Ready in 2 minutes ✓ Create your first invoice instantly ✓ Cancel anytime
Also on iOS & Android