Dollar-cost averaging simulation on a supplied price list: average cost, units, return, breakeven price and a comparison against one lump sum at the first price.

Aave-style lending health factor from collateral, debt and liquidation threshold: status, liquidation price, drop to liquidation, repay or add needed for a target.

Profile CSV text - detected delimiter, per-column type, nulls, unique counts, min, max, mean, median, top values, duplicate rows and ragged rows

Token vesting from total allocation, cliff, vesting months, TGE unlock and start date: tokens unlocked today, locked remainder, next unlock and the monthly schedule.

Impermanent loss for a Uniswap v2 or v3 position: LP value against simply holding, the fee income needed to break even, and whether fees cover the loss.

Debt payoff calculator - payoff months, total interest and impossible-payment flag from balance, APR and payment

Token market cap, fully diluted valuation, MC to FDV overhang and the constant-market-cap price effect of an upcoming unlock or yearly inflation.

Buy and sell amounts that bring a crypto portfolio to target weights, with optional new cash, drift band and fees, plus turnover and the biggest drift.

Analyze a Cache-Control header - browser and CDN freshness, no-store and no-cache handling, stale-while-revalidate and conflicting directive warnings

ERC-20 allowance on 16 EVM chains: how much a spender may move from an owner, scaled by decimals, with unlimited and zero flags.

Check a top-level domain against the IANA root zone - exists or not, ccTLD, gTLD or IDN type, RDAP server URLs and the current TLD count

Reserve Bank of Australia cash rate target and money market rates - latest values for the target, overnight cash rate and bank bills plus monthly history

Unix chmod calculator - octal to symbolic and back, what owner, group and others can do, umask equivalents and warnings for setuid and world-writable modes

MIME type lookup from mime-db - content type for a file extension, extensions for a type, charset, compressibility and IANA source, or search by term

FDA medical device recalls by device or firm - recall status, product, reason, root cause, firm, corrective action, product code and posting dates

FDA drug label excerpts by brand or generic name - boxed warning, indications, dosage, contraindications, warnings, adverse reactions and interactions

FDA drug shortage database by drug name and status - presentation, dosage form, availability, manufacturer, therapeutic category, NDC and last update

Constant product swap output, execution price, price impact, minimum received and the trade size that moves the price 1% or 5%, from pool reserves.

FDA drug recalls by drug or firm - recall number, class I to III, status, product, reason, recalling firm, distribution, quantity and dates

Pre-sign gas estimate on 16 EVM chains: gas units, fee in native coin, price in gwei and revert detection for a transaction, nothing is sent.