Nihar Ranjan Das

About

Software engineer from Sylhet, Bangladesh, building Invoqk on my own. I started Invoqk in 2026 after seeing how hard it is for freelancers and small studios to send invoices that meet European e-invoicing rules without paying for enterprise software. You paste a client message, the AI builds the invoice, and you export a PDF or a validated XRechnung or ZUGFeRD file. I build and support it myself, so every message reaches the person who wrote the code. Tell me what's missing. https://www.invoqk.com

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How do you handle invoicing for EU clients as a freelancer?

I'm building Invoqk, an AI invoice generator. The idea started with a boring problem: a client sends a message like "3 logo designs at $150 each and 1 brand guide for $400, invoice Weber GmbH in Berlin, due in 14 days", and then you open a blank template and retype everything.

It gets worse with EU clients. Germany's B2B e-invoicing transition means a plain PDF may no longer be enough. Clients may ask for XRechnung, ZUGFeRD or Peppol.

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