tanod-dev Utilpeek API
utilpeek, the data and text utilities. Everyday deterministic utilities: ECB foreign-exchange reference rates, SEC EDGAR company lookups (profile, latest filings, headline financials), the US Treasury daily par yield curve, QR code and barcode images, offline geocoding (GeoNames, CC BY 4.0), public holidays for 250 countries, phone-number parsing, identifier check digits (IBAN, VAT, ISBN, ...), user-agent parsing, cron schedules, time-zone conversion and URL parsing, plus text and data tools: text statistics and readability, language detection, Markdown to HTML, HTML to text, diffs, JSON Schema validation, JSON/YAML/CSV/TOML/XML conversion, hashes, HMAC webhook signatures, unit conversion (exact factors), business-day counts with holidays, color conversion with WCAG contrast, slugs, UUID/ULID generation, case conversion, line tools, regex replace, entity extraction, word frequency, keywords, extractive summaries, sentiment, spellcheck, Unicode inspection, encodings (and JWT decoding), lorem ipsum and number words.