Convert watts to horsepower (power). Pass ?value=N.

Convert watts to kilowatts (power). Pass ?value=N.

Convert watts to megawatts (power). Pass ?value=N.

Convert weeks to days (time). Pass ?value=N.

Convert weeks to hours (time). Pass ?value=N.

Convert weeks to microseconds (time). Pass ?value=N.

Convert weeks to milliseconds (time). Pass ?value=N.

Convert weeks to minutes (time). Pass ?value=N.

Convert weeks to months (time). Pass ?value=N.

Convert weeks to nanoseconds (time). Pass ?value=N.

Convert weeks to seconds (time). Pass ?value=N.

Convert weeks to years (time). Pass ?value=N.

Convert yards to astronomical units (length). Pass ?value=N.

Convert yards to centimeters (length). Pass ?value=N.

Convert yards to feet (length). Pass ?value=N.

Convert yards to furlongs (length). Pass ?value=N.

Convert yards to inches (length). Pass ?value=N.

Convert yards to kilometers (length). Pass ?value=N.

Convert yards to light years (length). Pass ?value=N.

Convert yards to meters (length). Pass ?value=N.

Convert yards to micrometers (length). Pass ?value=N.

Convert yards to miles (length). Pass ?value=N.

Convert yards to millimeters (length). Pass ?value=N.

Convert yards to nanometers (length). Pass ?value=N.

Convert yards to nautical miles (length). Pass ?value=N.

Convert years to days (time). Pass ?value=N.

Convert years to hours (time). Pass ?value=N.

Convert years to microseconds (time). Pass ?value=N.

Convert years to milliseconds (time). Pass ?value=N.

Convert years to minutes (time). Pass ?value=N.

Convert years to months (time). Pass ?value=N.

Convert years to nanoseconds (time). Pass ?value=N.

Convert years to seconds (time). Pass ?value=N.

Convert years to weeks (time). Pass ?value=N.

Pearson correlation coefficient between two equal-length numeric series. Returns r (the correlation, -1 to 1), r² (variance explained), n (sample size). Use this to ask things like: is a stock's daily return correlated with a macro indicator? Are ...

Count characters, words, lines, and (optionally) occurrences of a substring in text.

Country facts by name or ISO code: official name, capital, region, currencies, languages, timezones, dialing code, TLD, and more. Committed open dataset (world-countries, ODbL, plus the IANA timezone country map) — offline and deterministic. ?name...

Latest US Consumer Price Index year-over-year inflation rate (headline CPI-U) plus the trailing 12 months of YoY readings — the headline inflation number. Source: FRED CPIAUCSL with pc1 transformation. No params.

CRC-32 checksum of a text string (hex), the IEEE polynomial used by zip/png/gzip.

Parse a standard 5-field cron expression (minute hour day-of-month month day-of-week) and return a human-readable explanation. Supports wildcards (*), ranges (1-5), lists (1,3,5), steps (*/15), and named months/days (JAN, MON). ?expression=0+9+*+*...

Parse a 5-field cron expression and return the next N run times (UTC).

Global crypto market snapshot: total market cap, total 24h volume, BTC dominance, ETH dominance, active coin count, active exchange count, and 24h market-cap change %. Returned in a chosen vs_currency (default usd). Backed by CoinGecko /global.

Historical price, market cap, and volume time series for a coin. Granularity is automatic per CoinGecko: <=1 day = 5-min bars, 2-90 days = hourly, >90 days = daily. Days: 1, 7, 14, 30, 90, 180, 365, or "max". Returns aligned arrays of {time, price...

Top N coins by market capitalization with full market snapshot per coin: rank, price, 24h change, 7d change, 24h volume, market cap, circulating supply, and all-time high. Default 10, max 100 per call. Backed by CoinGecko's public API.

L2 order-book snapshot for a spot pair: best bid/ask, mid price, spread (absolute + %), and the top N aggregated price levels per side (default 25, max 100). Pairs use BASE-QUOTE format (BTC-USD, ETH-USD, SOL-USDC). Backed by Coinbase Exchange's p...

Live crypto prices for one or many coins in any vs_currency (usd, eur, btc, eth, etc). Returns last price, 24h change %, 24h volume, and market cap per coin. Accepts ticker symbols (BTC, ETH, SOL) for the top ~50 by market cap, or canonical CoinGe...

Trending coins on CoinGecko in the last 24 hours, ranked by user search activity on the site (currently ~15 results). Includes coin id, symbol, market cap rank, current price (BTC-denominated), and score. Useful signal for detecting narrative shif...

Validate CSV structure: consistent column counts across rows, properly closed quotes, delimiter detection. Returns row/column counts and any structural errors. Pure CPU.

Parse CSV (quoted fields supported) into a JSON array of objects, using the first row as headers (header=false for arrays).

Convert CSV into a GitHub-flavored Markdown table (first row is the header).