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  • Czech Republic
  • Joined Oct 9, 2026

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gildor853/README.md

Hi, I'm Gildor. I build small, dependency-free TypeScript libraries, mostly around Cardano tooling and Czech fintech and data utilities.

Cardano

Czech

  • cnb-rates: Czech National Bank daily exchange rates, with conversion through CZK.
  • cz-validators: validators for IČO, DIČ, rodné číslo, bank account numbers, IBAN and PSČ.
  • cz-qr-platba: generate and parse Czech QR payment strings (SPAYD).

General

  • exact-units: unit conversion with exact fractions instead of floating point, typed by dimension.
  • tabular-convert: convert tables between CSV, JSON, Excel, SQL, Markdown and HTML, from code or the command line.
  • ua-lens: parse User-Agent strings and Client Hints, and recognise crawlers and AI bots from their documented tokens.
  • file-sentinel: static heuristic scan of untrusted files for active content, macros and type spoofing.

Mostly TypeScript. I like small APIs, real test vectors and boring, predictable code.

All projects are provided as is, without warranty — see each repository's DISCLAIMER.md.

Popular repositories Loading

  1. cardano-bech32-utils cardano-bech32-utils Public

    Tiny, zero-dependency TypeScript helpers for Cardano bech32 addresses: BIP-173 encode/decode, CIP-19 address inspection, CIP-5 prefixes and address builders.

    TypeScript

  2. cardano-slot-time cardano-slot-time Public

    Zero-dependency, era-aware conversions between Cardano slots, POSIX time and epochs for mainnet, preprod, preview and custom networks.

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  3. cnb-rates cnb-rates Public

    Zero-dependency TypeScript client for the Czech National Bank (ČNB) daily FX fixing: exact decimal parsing, date resolution in Europe/Prague and conversions via CZK.

    TypeScript

  4. cz-validators cz-validators Public

    Zero-dependency TypeScript validators for Czech identifiers: IČO, DIČ, rodné číslo, bank account numbers (with ČNB bank codes and IBAN conversion), IBAN and PSČ.

    TypeScript

  5. cz-qr-platba cz-qr-platba Public

    Zero-dependency TypeScript builder and parser for Czech QR payment strings (QR Platba / SPAYD, ČBA standard v1.2): escaping, field limits, CRC32, round-trip parsing.

    TypeScript

  6. cardano-asset-name cardano-asset-name Public

    Zero-dependency TypeScript helpers for Cardano native assets: policy ID + asset name parsing, CIP-14 asset fingerprints, CIP-67 asset name labels and CIP-68 reference/user token names.

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