MANUEL · VIENNA

personal toolbox~

A small collection of tools I built for myself — for work, for home, for family. EU VAT calculations, EV charging logs, LEGO tracking. Nothing fancy, everything useful.

Tools

VAT Calculator

EU Tax · Reihengeschäft

Chain transaction analysis across EU member states. Tax codes, UID validation, SAP mapping.

Wallbox

EV Charging · Firebase

Home charging tracker for BYD Seal U. go-e CSV import, Wien Energie tariffs, Firestore sync.

LEGO Tracker

Family · Wishlist

Wishlist and collection tracker built for grandparents. No login, simple interface.

Energy Dashboard

Home · Analytics

Electricity consumption overview. Tariff comparison, monthly trends, cost breakdown.

Sublist

Personal · Subscription Tracking

Premium subscription tracker with Apple-leaning UI, dashboard overview, renewals, and detail panels.

Familienbonus

AT Steuer · Aufteilungsrechner

Familienbonus Plus optimal auf beide Elternteile aufteilen. Tarifstufen 2024–2026, Zuteilung je Kind, Aufteilungspflicht ab 2027.

Ortstaxe Wien

AT Steuer · Airbnb Meldung

Wiener Ortstaxe aus dem Airbnb-CSV-Export. Meldebeträge pro Monat, Satzwechsel 2026 und 2027, 90-Tage-Zähler der Bauordnung.

ETF Rechner

Invest · Sparplan Kalkulator

Sparplan-Simulator für ETF-Investments. Zinseszins, Einmalanlage vs. monatliche Rate, Kostenvergleich.

Finance Dashboard

Banking · PDF Import · AI

easybank/BAWAG PDF statement parser. AI categorization, receipt matching, monthly overview.

Wanderly

Family · Travel Dashboard

All travel bookings in one place — flights, hotels, rental cars, insurance, costs and documents. Shareable with family.

API Key Manager

Dev · Key Vault

Manage and organize API keys across projects. Secure local storage, quick copy, expiry tracking.

SnipVault

Dev · Snippet Manager

Personal code snippet manager. Syntax highlighting, categories, keyboard navigation. localStorage + JSON export.

Stack

No shared framework, no monorepo — every tool as simple as it can get away with. Plain HTML/CSS/JS where that's enough, React where it isn't. Deployed via GitHub Pages, sync via Firebase Firestore.