Write a number or money amount in words, in Spanish or English (EUR, USD, GBP, MXN), with correct Spanish apocope (veintiún, un millón de euros). For invoices, cheques and contracts.

Dragons Eye Lookup: Ransomware leak-site claim lookup by company name or domain. Returns ransomware-group claims (group, dates, country, sector, sources) matching the company or domain. Unverified claims from criminal leak sites; commercially reusable sources only.

Decode a JWT and verify its signature with the public keys of a JWKS URL (RS256, ES256, EdDSA...) or an HMAC secret, checking expiry, audience and issuer; returns header, claims and the exact reason if invalid. Tokens are not stored.

npm package profile: latest version, description, license, repository, dependencies, unpacked size, weekly and monthly downloads, maintainers and deprecation flag. For dependency choice and audits.

Count the tokens of a text with OpenAI tokenizers (o200k for GPT-4o/4.1/5, cl100k for GPT-4/3.5) plus estimates for Claude, Llama and Gemini, with characters per token. Budget LLM calls and split contexts.

Base ERC-20 token risk scan: honeypot check, rug pull check, token safety / scam check. Use when vetting a token. Input: address. Output: JSON risk signals w/ block+evidence: honeypot test (buy/sell simulation, taxes), rug-pull signals (owner, mint/pause/blacklist/fee fns, proxy+admin, owner-held supply, Uniswap/Aerodrome pool depth), notChecked. Signals, not a safe verdict. Bad input/EOA: 400, not charged. Example: ?address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Deep comparison of two JSON documents: added, removed and changed values with their exact path, optionally ignoring list order. Detect changes in API responses, configs or data snapshots.

Convert integers of any size (signed) between bases 2 to 36: binary, octal, decimal, hex, base32, base36, with bit and byte length and two's complement. Accepts 0x/0b/0o prefixes.

Dragons Eye Lookup: CVE intel: KEV + ransomware use + EPSS + public exploits + AI attack flow (ATT&CK) + D3FEND defenses. One CVE in one call: CVSS, affected vendors/products, vendor advisories, CISA KEV status and known ransomware campaign use, EPSS, recorded public exploit repositories, an AI-generated attack flow with ATT&CK technique ids (flagged as AI-generated), and suggested MITRE D3FEND countermeasures. CVEs not yet in the cache return 404 (queued, not charged). Basic KEV status is free

Dragons Eye Lookup: Ransomware group intel: leak-site activity + momentum, tools, co-mentioned malware/campaigns/ATT&CK techniques/CVEs, recent headlines, D3FEND defenses. For one active ransomware group: total and recent leak-site listings with a momentum status (30-day vs lifetime average), reported tools, malware, campaigns, ATT&CK techniques and CVEs co-mentioned in public reporting (not attribution), recent publisher headlines and suggested D3FEND countermeasures. Groups not yet cached retu

Validate JSON (with line and column of the error), pretty-print or minify it, describe its structure (depth, keys, value types) and extract a value by path such as data.items[0].price.

Validate a securities ISIN (ISO 6166): format, check digit, issuing country and embedded CUSIP (US/CA, with its own check) or SEDOL (GB/IE). Computed locally; nothing stored.

Find a company's LEI (Legal Entity Identifier) by name, or the record of a LEI: legal name, country, legal form, address, entity and registration status, renewal date, direct parent and company register number.

Dominant colors of an image (URL or base64) with their share, in HEX and RGB, plus the average color and light/dark tone. For brand palettes, themes or tagging images by color.

Trade result: gross and net profit or loss after entry/exit fees and funding, return on margin, price change, break-even price and notional. Long or short, with leverage.

Search scholarly literature across all fields in OpenAlex (250M+ works): title, authors, institutions, year, journal, citation count, DOI and open-access link; by relevance, citations or date.

Estimate password strength with Dropbox's zxcvbn: score 0-4, estimated guesses and crack time for online and offline attacks, weak patterns found (dictionary, dates, sequences...) and tips. Evaluated in memory, never stored or logged.

Official public holidays of 150+ countries and their regions (Spanish autonomous communities, US states, German Länder...) for a year, whether a given date is a holiday, and the next holiday.

Generate a QR code as SVG or PNG (base64 and data URI) for any text, URL, payment link, Wi-Fi or vCard, with error-correction level, scale and colors.

Python package profile from PyPI: latest version and date, summary, license, required Python, links, dependencies, number of versions and yanked flag.