BTradeTech · Wonder Tools

Small tools. Clear results.

Wonder Tools brings together practical utilities for files, finance and web diagnostics. Every function has its own page and useful guidance.

✓ Local where possible✓ Bilingual✓ No account

Local-first & transparent

What Wonder Tools does

Practical helpers for files, finance and web diagnostics – with clear limits and no unnecessary accounts.

Provider-dependent features stay visible but inactive until source, licensing and cost are clearly defined.

How to use a tool

Money & Markets

Calculate payments, interest, fees, extra repayments and an explicit amortization basis.

Compare cash, financing, leasing and refinancing over the same time horizon.

Prices, history and market context for approved instruments with a clear source.

Convert currencies transparently with a daily ECB reference rate.

Files & Business

Resize JPG, PNG and WebP images locally to a target size or dimensions.

Create static QR codes for URLs, text, Wi-Fi, contact, email and phone.

Draw, type or upload a signature and place it into a PDF locally.

Create a traditional PDF invoice with line items, tax, discounts and payment details.

Website & Connection

Lab analysis for mobile and desktop performance – provider integration follows approval.

Not activated yet

Download, upload and latency with authorized infrastructure – not activated yet.

Not activated yet

FAQ

Sind die Tools kostenlos?

The local tools work without an account. Provider-dependent features are activated only after infrastructure and cost approval.

Werden meine Dateien gespeichert?

No, local file, PDF and invoice workflows process data in the browser. QR generation currently uses a stateless server endpoint.