Average household electricity price (2,500-5,000 kWh/year band) in EUR/kWh by European country, with or without taxes: ranking or half-yearly evolution of one country. Official Eurostat data.

Compute a contract address in advance: CREATE (deployer + nonce) or CREATE2 (deployer + salt + init code hash). For deterministic deployments and verifying announced addresses.

Detect and validate a crypto address before sending funds: EVM (EIP-55 checksum), Solana, Bitcoin (legacy, P2SH, SegWit, Taproot), Litecoin, Dogecoin, Tron and Cosmos bech32, with its type and network. Computed locally.

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.

Convert coordinates between decimal degrees, degrees-minutes-seconds (40°25'00"N), UTM (zone, easting, northing) and geohash, in any direction, plus a map link.

Consumer confidence indicator (balance, seasonally adjusted) for any European country, the EU or the euro area; without a country, a ranking. Below 0 = more pessimists than optimists. European Commission surveys via Eurostat.

Text statistics without AI: characters, words, sentences, paragraphs, unique words, reading and speaking time, readability (Flesch / Flesch-Kincaid for English, Fernandez-Huerta for Spanish) and most frequent words.

Great-circle distance between two airports by IATA or ICAO code in km, miles and nautical miles, bearing, approximate flight time and estimated economy-class CO2 per passenger.

Official profile of a US listed company from the SEC: name, CIK, industry (SIC), state of incorporation, fiscal year end, address, phone, tickers and exchanges, former names and latest filing.

Vulnerabilities being actively exploited according to CISA's KEV catalog: CVE, vendor, product, name, description, date added, remediation due date and ransomware use; the latest N days or search by vendor/product (Microsoft, Cisco, Fortinet...).

Annual government deficit (-) or surplus (+) as % of GDP for any European country; without a country, a ranking. Official Eurostat data.

Validate EAN-8, EAN-13, UPC-A, GTIN-14, ISBN-10 and ISBN-13: check digit (and the expected one if wrong), code type, GS1 prefix and registering country, plus ISBN-10/13 conversion.

US federal grant opportunities from Grants.gov: title, number, agency, open and close dates, status and link; search by keyword (AI, energy, health...) and agency (NSF, NIH, DOE...), open or forecasted.

Upcoming macro events with UTC date and time: US BLS releases (jobs report, CPI, PPI, JOLTS, wages...), Federal Reserve FOMC rate decisions and ECB monetary policy decisions. Filter by days ahead, text or high-impact only.

IANA time zone of any point on Earth from its coordinates, computed locally, with the current local time there, UTC offset and daylight saving flag.

Average household electricity price (2,500-5,000 kWh/year band) in EUR/kWh by European country, with or without taxes: ranking or half-yearly evolution of one country. Official Eurostat data.

Generate a JSON Schema (draft 2020-12) from an example JSON: types, properties, arrays, required fields and formats (date, date-time, email, uri). For API docs, tool definitions and output validation.

Summary or analysis of any text with local AI (Qwen3), in the same language as the text; follows your instruction if you add one (e.g. 'list the key points'). Up to 12,000 characters. Text is processed in memory and not stored.

Structured data extraction with local AI: give a text and a list of field names, get a JSON object with those fields (null when absent).

Similarity between two texts without AI: TF-IDF cosine, vocabulary Jaccard and character-trigram Jaccard (catches edited copies), shared words and a verdict. For duplicates, plagiarism checks and deduplication.