65 Services from x402.outpimp.com

Encodes UTF-8 plain text to a base64 string, handling padding and edge cases correctly.

Tests whether a given non-negative integer is prime using a deterministically correct Miller-Rabin algorithm, covering all integers up to 2^53-1 (JavaScript safe integer range).

Performs arbitrary-precision integer arithmetic (add, subtract, multiply, power) on numbers passed as digit strings, bypassing IEEE-754 float limits

Calculates annual electricity vs. gas costs for EV ownership, computing break-even years, cost per full charge, and effective gas-equivalent MPG given vehicle specs and local energy prices.

Computes and compares monthly payments and total lifetime interest for 15-year and 30-year fixed mortgages on the same property, reporting the tradeoff between the two loan terms.

Tests a regular expression pattern against a string in an isolated worker thread with a 500ms hard timeout to prevent catastrophic backtracking (ReDoS).

Performs full multi-year rental property deal analysis including mortgage amortization, per-category rent/expense growth, sale scenario, IRR, cumulative totals, NOI, cap rate, and cash-on-cash return.

Generates a cryptographically secure random RFC 4122 version 4 UUID with no input required.

Computes the coast FIRE lump sum needed today to reach your retirement number by a target age, plus a year-by-year projection of when your savings trajectory crosses that threshold given ongoing contributions.

Generates a cryptographically random password with configurable length, character classes, and an optional pronounceable mode

Computes the true monthly net-worth impact of a house hack by netting rental income against mortgage, taxes, insurance, HOA, and maintenance, then adding back principal paydown equity and rent savings from living in the property.

Compares annual fuel costs between a hybrid and a conventional gas vehicle, and computes the break-even payback period for the hybrid's price premium.

Computes the fixed monthly payment for an amortizing loan and returns a full month-by-month amortization schedule with principal, interest, and remaining balance for each period.

Returns sunrise, sunset, solar noon, day length, and moon phase for a given latitude, longitude, and date using precise astronomical algorithms.

Computes the MD5 hex digest of any input text string, returning the deterministic 32-character hexadecimal hash.

Computes the SHA-256 hex digest of any input text string, returning a deterministic 64-character hexadecimal hash.

Calculates how many years a one-time purchase delays financial independence by running the FIRE net-worth simulation with and without the purchase deducted.

Returns real-time weather conditions including temperature, humidity, wind, precipitation, UV index, and optionally a 3-day forecast and astronomy data for any city worldwide.

Runs the FIRE net-worth simulation with and without a one-time windfall and reports how many years the lump sum shaves off your time to financial independence.

Computes the pre-tax raise needed to offset inflation under two scenarios: maintaining the same dollar savings amount or the same savings rate, accounting for marginal tax on the raise.

Checks whether a given string is a syntactically valid email address, returning true or false using a production-grade validation library.

Validates a JSON document against a provided JSON Schema using the ajv validator, returning a validity flag and human-readable error messages.

Parses and evaluates arithmetic expressions (+, -, *, /, ^, parentheses) using a safe bounded-recursion parser with no eval or Function calls, avoiding LLM arithmetic errors.

Runs a full multi-year real estate deal analysis including per-category rent/expense growth, sale scenario, and IRR, returning the first-year cash-on-cash return (operating cash flow divided by invested cash).

Projects year-by-year net worth growth via compound simulation to determine how many years until a portfolio can sustainably fund retirement at a given safe withdrawal rate

Returns the live exchange rate between any two ISO 4217 currency codes via a paid API call

Decodes a base64-encoded string back to UTF-8 plain text, avoiding padding and charset errors that LLMs typically make when decoding by hand.

Runs a full multi-year real estate deal analysis including per-category rent/expense growth, a sale scenario, and IRR, with the capitalization rate (first-year NOI ÷ purchase price) as the headline output.

Computes the next N future run times for a standard 5-field cron expression, returning precise timestamps without LLM simulation errors.

Simulates net worth growth through a full-time saving phase followed by a part-time/side-income phase (barista FIRE), projecting when full financial independence is reached.

Computes the dollar gap per asset and monthly buy/sell amounts needed to reach a target allocation over a chosen rebalancing period.

Computes descriptive statistics (mean, median, variance, standard deviation, and 25th/75th/90th percentiles) over a numeric array of up to 10,000 elements using R/numpy-compatible interpolation.

Returns the current live market price in USD for any cryptocurrency by ticker symbol (e.g. BTC, ETH, DOGE)

Generates structurally valid checksummed identifiers (ISBN, UPC, VIN, IMEI) with real check-digit algorithms

Compares annual electricity vs. gas costs for a Tesla vs. a comparable gas vehicle, computing break-even years, cost per full charge, and effective gas-equivalent MPG

Compares annual fuel costs between two gas-powered vehicles and computes the break-even point for any price premium of the more efficient vehicle.

Converts any text into a clean, URL-safe slug (lowercase, hyphen-separated, unicode-aware) with correct handling of punctuation and accented characters.

Generates a QR code image for any text or URL and returns it as a base64-encoded PNG data URL, computed entirely locally.

Converts numeric values between units of pressure, energy, and molarity using exact scientific conversion factors.

Runs a year-by-year compound-growth simulation to compute how long until you can retire on a higher, lifestyle-preserving spending target using Fat FIRE principles.

Converts a color value between hex, RGB, and HSL representations using exact arithmetic.

Calculates total monthly and yearly alcohol spending (home and out) plus rideshare costs, then projects how that money could grow if invested instead using the future-value-of-an-annuity formula.

Returns the name, atomic mass, and category of a periodic table element given its symbol or atomic number.

Computes a line-based diff between two text strings using the Myers diff algorithm, returning a structured list of equal, add, and remove operations.

Decodes a JWT by base64url-decoding its header and payload segments without verifying the signature.

Generates true-random strings in one of 11 formats (alpha, alphanumeric, UUID, ULID, NanoID, hex, binary, octal, numeric, symbol, or sample) with configurable length and locale.

Solves a system of linear equations (Ax = b) using LU decomposition for square coefficient matrices up to 20x20, with near-singularity detection.

Generates a true-random latitude, longitude, or nearby GPS coordinate bounded by optional min/max or origin+radius parameters

Generates a true random number in a specified format (int, float, binary, octal, hex, bigInt, or romanNumeral) within optional bounds

Generates valid IPv4/IPv6 addresses (optionally within a CIDR block or named network range) or well-formed JWT strings on demand

Performs matrix multiply, transpose, determinant, and inversion on matrices up to 20×20 using LU decomposition with near-singularity protection.

Projects year-by-year HSA (Health Savings Account) balance growth given a starting balance, annual contributions, annual medical expense withdrawals, and an expected annual return rate.

Generates structurally valid, checksum-correct financial identifiers (IBAN, BIC, credit card number, Bitcoin/Litecoin/Ethereum addresses, routing number) using their real checksum algorithms.

Checks whether a given string is a syntactically valid URL, catching malformed schemes, hosts, and encoding edge cases

Computes the complete prime factorization of an integer (2 to 10^12) via trial division, returning all prime factors with repetition.

Calculates your personal savings rate as a percentage by dividing the gap between monthly take-home income and spending by income.

Returns the exact CODATA-published value of a named fundamental physical constant (e.g. speed of light, Planck constant, Boltzmann constant).

Converts numeric values between units of length, mass, volume, and temperature using exact conversion factors and correct affine formulas for temperature.

Calculates Upwork freelancer take-home pay on an invoice by applying the tiered 20%/10%/5% service fee schedule across cumulative lifetime billing thresholds per client

Decodes percent-encoded (URL-encoded) text back to its original plain text representation.

Percent-encodes a text string for safe use in a URL query string or path segment, handling reserved-character rules correctly.

Projects the ending value of an investment given a starting principal, monthly contributions, and an annual interest rate compounded monthly over a chosen number of years.

Generates a true-random date using one of eight methods (anytime, past, future, between, betweens, recent, soon, birthdate) with optional locale support

Multiplies monthly essential expenses by a chosen runway length (in months) to compute a target emergency savings amount.

Compares two semantic version strings and returns whether versionA is greater than, less than, or equal to versionB using standard semver rules.