SWEDISH SOFTWARE COMPANY · F-TAX APPROVED

Check VAT. Catch deploy errors.Sell digital files.

Practical tools for EU VAT checks, Vercel deployment checks and digital file sales. Plus QR reorder labels, inventory sync and CSV cleanup. Choose the tool for the job and open it directly.

6
Live products
1
Routing layer
SE
Built in Sweden
THREE DOORS · PICK ONE AND WALK THROUGH
01 · PORTFOLIO

Pick a tool.
Finish the job.

Six live products, each under its own name and its own site. Every one has a free way in. Compare pricing →

Developer toolsLive
DeployDoctor$9
per month · or $5 for a 7-day pass

Scan a public GitHub repository for the code issues most likely to break a Vercel deployment. No cloning, no code execution.

free 3 scans a day
Global · deploydoctor.nyttolabs.comScan a repository →
Consumer reorderingLive
StayTag49 SEK
starter sheet · one-time

Stateless QR reorder labels. One scan brings back the exact replacement search — no app, no account.

free make one tag
EU · staytag.nyttolabs.comCreate a reorder tag →
B2B verificationLive
Vatidence€4.90
minimum per batch · one-time

Bulk EU VAT checks against VIES, with consultation-number proof finance teams can export.

free a single check
EU · vatidence.nyttolabs.comCheck a VAT number →
Digital deliveryLive
Nytto Checkout5%
fee · you keep 95%

Sell a digital file without an account on either side. Upload it, set a price, share the link. Buyers pay by card and get a time-limited download.

free to create · 5% only when it sells
Global · pay.nyttolabs.comSell a digital file →
Inventory syncLive
FailclosedSync
starts in watch-only mode

Inventory sync that repairs the difference between two systems automatically — and refuses to write when the data looks wrong.

free watch-only until you say otherwise
Global · failclosed.nyttolabs.comExplore inventory sync →
File toolsLive
CSV Rescue29 SEK
per prepared file · no subscription

Normalize CSV encoding and separators without losing leading zeros. Optional exact duplicate removal. 29 SEK per prepared file, no subscription.

free preview before you pay
Global · importfix.nyttolabs.comOpen CSV Rescue →
02 · UNDERNEATH · NYTTO RELAY

Intent in.
Useful next action out.

Relay connects a product action to a relevant partner — a reorder scan to a replacement search, for example. It uses approved destinations and records referrals. If no approved match exists, it sends visitors nowhere. Try the simulation.

RELAY · SIMULATION · DEMO DATA
POST /api/resolve
{ "app": "deploydoctor", "action": "scan", "country": "SE" }
1. Pick an app, action and country — then resolve.
$ ▌
01Intent appearsA scan, a VAT lookup, an API call — a moment where someone needs a next step.
02Relay resolvesDeterministic match against approved partners and allowlisted destination templates.
03Attribution recordedA safe redirect through /go carries a click id; conversions arrive on a signed webhook.
04Or nothing happensNo approved answer means no redirect. Fail-closed beats a bad recommendation.
POST/api/resolvePOST/api/eventGET/api/public/productsDETERMINISTIC · FAIL-CLOSED
03 · SCOPE

What we deliberately don’t do.

✕No inventory
✕No packaging
✕No third-party checkout
✕No shipping or returns
✕No dropshipping
✕No warehouse
✕No fake partners or prices
✕No analytics cookies

Partners keep checkout, payment, VAT, delivery, returns and product support. We keep the software honest.

PARTNERS

If your product touches ours, there is probably a reason to talk.

You keep checkout and fulfilment. We connect high-intent users to a relevant next action, on approved domains only.

Open a partner thread →
CONTACT

General questions and partnerships.

No ticket queue, no sales funnel. One inbox, read by the people who write the code.

hello@nyttolabs.comGeneral + partners