Clairsmith · the IT workshop for small businesses
The right tools, set up for your business.
Free tools, ready-made kits, software tested for you, and a project manager when you need to go further. For freelancers, shopkeepers and small businesses.
Request my free diagnosis Use a free tool
Free · written review within 2 business days · no commitment
Boulangerie Lavigne SARL
Verified Engine tested EN 16931 · Mustang FRL·001 · v1.3 · 2026-10-06
Where to start?
- 01 · Tools 11 tools
Free tools
Invoice, quote, day rate, reminders, AI: ready in 2 minutes, no account. - 02 · Kits 2 kits
Ready-made kits
Contracts, reminders, bilingual templates. To download from €9. - 03 · Recommendations 3 verdicts
Tested software
Accounting, banking, company setup: tested on a real task, verdict published. - 04 · Services Free diagnosis
A project manager by your side
Website, tools, AI: I take care of it, from the diagnosis to go-live.
Judge the work: my free tools
The tools I forge, I also publish: free to use, no account, checked and dated.
- FRL·001Invoice
Invoice generator
PDF + Factur-X, French client filled in from its SIREN, no account Open - FRL·006Get paid
Payment reminder letter
The right tone, from friendly to formal notice. Open - FRL·004Set your rate
Day rate calculator
The day rate that covers charges, time off and costs. Open - AGT·001Assess AI
AI assistant payback calculator
The month an AI assistant pays back its setup. Open
11 free tools · 0 cookies · nothing stored · checked on 2026-10-16
When you need to go further
- 01
Be visible
So that a customer looking for you finds you, and wants to choose you.
Talk about it : Be visible - 02
Save time
Less typing, fewer things forgotten: your repetitive tasks partly automated.
Talk about it : Save time - 03
Use AI securely
Get the benefits of AI while controlling what you give it: your data and your customers’.
Talk about it : Use AI securely
The steps
- Free diagnosis
- Forge Plan · €150 (beta)
- Delivery and follow-up
E-invoicing: the next deadlines
- 53 days E-Rechnung: issuing e-invoices required above €800,000 turnover · DE · Official source : Bundesministerium der Finanzen — FAQ E-Rechnung(external site)
- 53 days The French VAT exemption wording changes its legal reference · FR · Official source : Légifrance — Code des impositions sur les biens et services, art. L. 233-3(external site)
- 53 days KSeF: required for the smallest businesses · PL · Official source : Ministère des Finances (Pologne) — KSeF(external site)
Project manager by day, smith by night. I’m building Clairsmith in Dunkirk, and I publish everything: the tools, the tests and the real numbers.
Clément Dehon · Dunkirk
The Forge Log
2 emails a month: the deadlines that affect you and the new tools.