70 Services from tools.moneytools.dev

Detects whether an Ethereum-compatible smart contract is a proxy and returns its implementation address, admin, and proxy standard (EIP-1967, EIP-1167, OZ, Safe, EIP-7702).

Validates and formats a phone number for 240+ regions using libphonenumber, returning E.164, international/national formats, type, and country.

Returns current price and peg deviation in basis points for up to 15 major stablecoins, with on_peg/watch/depeg status flags.

Validates an IBAN by checking country-specific length rules and mod-97 check digits, returning the BBAN and print-formatted IBAN.

Fetches ERC-721/1155 NFT metadata, owner address, tokenURI, and storage type (on-chain, IPFS, or mutable server) for any token on major EVM chains

Fetches and decodes recent on-chain event logs for a smart contract (up to 5000 blocks back), using a provided event signature or the Sourcify signature database for automatic decoding.

Validates a cryptocurrency address across multiple blockchains, identifies which network it belongs to, and checks well-formedness including EVM checksum, Bitcoin variants, Litecoin, Dogecoin, Tron, Solana, Cosmos bech32, and TON.

Decodes a JWT, explains its claims and expiry, and cryptographically verifies RS/PS/ES/EdDSA signatures against a provided JWKS URL or the issuer's OIDC discovery endpoint

Queries 6 public DNS resolvers (Cloudflare, Google, AdGuard, NextDNS, AliDNS, DNSPod) to check whether a DNS change has propagated globally

Parse an RSS, Atom, or JSON feed URL (or autodiscover one from a web page) into clean JSON with title, latest items, links, dates, and summaries.

Fetches a page's og:image (or a direct image URL) and checks if it works in link previews — returning status code, content type, file size, pixel dimensions, and aspect ratio against the ideal 1200×630.

Fetches the latest unexpired TLS certificates for a domain from Certificate Transparency logs, including issuer, SANs, expiry date, days remaining, and expiring-soon warnings

Audits a URL's HTTP security headers and grades them A–F, checking HSTS, CSP, clickjacking, nosniff, referrer policy, cookie flags, CORS, and version leaks with fix recommendations.

Converts APR to APY (or APY to APR) for any compounding frequency, projects earnings over N days with optional performance fee, and calculates doubling time

Calculates vested and unvested token amounts on any date, plus a monthly unlock schedule, for cliff + linear vesting with optional TGE unlock

Checks whether an ENS (.eth) name is available, in grace period, or registered, returning expiry date, yearly base price, and a registration link.

Calls any read-only (view) function on an EVM smart contract using a human-readable function signature and returns the decoded result, with optional historical block support.

Generates an SVG QR code for any text/URL, or creates an EIP-681 crypto payment link with QR code for requesting a token payment to a specific address

Performs cryptographic hashing, encoding, decoding, and EVM-related transformations including sha256/sha1/sha512/md5/keccak256, HMAC-SHA256, base64, hex, URL encoding, JWT decode, function selector, and EVM checksum address.

Validates a site's /llms.txt file against the llmstxt.org format spec, checking H1, summary, sections, and link entries with optional link reachability checks

Creates a temporary URL that records incoming HTTP requests (method, headers, body) for webhook and callback testing, readable back via a secret token.

Returns the executable DEX price of any ERC-20 token in USDC, including price impact at a chosen trade size, routing details, and deviation vs DefiLlama reference price.

Fetches and validates an A2A agent-card.json (or legacy agent.json) from a given URL, checking required fields, skills, transport, and security declarations.

Detects the language of a text string across 82 languages with ISO 639-3 and BCP 47 codes, distinguishing Traditional vs Simplified Chinese

Converts dates between Gregorian (solar) and Chinese lunar calendar (農曆), including leap months, 干支 year, and zodiac sign

Run a JavaScript regex against text and return all matches with indices and capture groups, with optional replace and ReDoS detection

Inspects a Safe multisig wallet address on any supported EVM chain, returning owners, threshold, nonce, version, modules, guard, fallback handler, and risk warnings.

Looks up the status (pending, confirmed, reverted, not found), confirmation count, and finality hint for a blockchain transaction by hash and chain.

Returns the last EVM block number at or before a given timestamp on any of 7 supported chains using interpolation search.

Parse and compare semantic versions, check a version against a semver range, find the max satisfying version, and sort a list of versions.

Parses a URL into its components and query parameters, strips common tracking parameters (utm_*, fbclid, gclid), and flags phishing indicators such as user@host tricks, raw IPs, URL shorteners, and punycode domains.

Looks up EVM chain metadata by chain ID or name, returning native currency, public RPCs, block explorers, CAIP-2 ID, and a ready-to-use wallet_addEthereumChain object.

Detects homograph and look-alike domain attacks by decoding punycode, identifying mixed scripts, Cyrillic/Latin substitutions, and one-letter typos of major brands or crypto wallets.

Returns the next N scheduled run times for a cron expression (or shorthand like @daily) in any IANA time zone, with a plain-language description

Track a cross-chain bridge transfer by its source transaction hash and get its current status (pending/done/failed), bridge used, and sending/receiving transaction details with amounts.

Converts big integers between any base 2–36 (binary, octal, decimal, hex, etc.) with optional two's complement representation for configurable bit widths

Probes keyless public RPC endpoints of up to 7 EVM chains and returns up/down status, latency, head block, lag, and recommended RPC per chain

Performs IPv4/IPv6 subnet math: computes network address, range, size, netmask, wildcard mask, type (private/reserved), and supports contains-check and subnet splitting.

Encodes Ethereum function calldata from a function signature and arguments, returning selector + ABI-encoded bytes ready for transaction review.

Fetches native and ERC-20 token balances for a wallet address on major EVM chains via a single multicall

Reads on-chain ERC-4626 yield vault metadata including underlying asset, total assets, share price, deposit status, and an optional holder's position.

Converts a color (hex/RGB/HSL/CSS name) to all major color formats and computes luminance, best readable text color, and WCAG AA/AAA contrast ratio against a second color.

Returns confirmed and pending BTC balance (in BTC and USD), transaction count, address type, and address reuse status for any Bitcoin address

Calculates impermanent loss for liquidity providers comparing LP position value vs holding after a price move, supporting both Uniswap v2 full-range and v3 concentrated range positions.

Count business days between two dates or add N business days to a start date, using Taiwan, US federal, or plain-weekday calendars

Returns official public holidays, make-up workdays, and supplemental day-off days for Taiwan or the United States for a given year, plus the next upcoming holiday.

Calculates monthly payment, total interest, and full amortization schedule for annuity (equal-payment) or equal-principal loans

Returns SOL balance (with USD value), account type (wallet or program), and all SPL/Token-2022 token balances for any Solana address via public RPC

Fetches a webpage, extracts up to 12 links, and checks each for HTTP status, redirects, latency, and broken status

Validates Taiwan national ID (國民身分證), ARC/residence permit (居留證, old and 2021 formats), and company tax ID (統一編號) checksum and format without storing the data

Validates a payment card number using Luhn checksum, identifies the card brand (Visa, Mastercard, Amex, etc.), and checks length correctness, returning only a masked number.

Lints an OpenAPI/Swagger spec (by URL or inline) for agent-readiness issues: operationIds, descriptions, responses, undeclared path params, missing security schemes, servers, and x402 payment info

Lints MCP tool definitions from a live MCP server or a tools/list JSON array, scoring names, descriptions, JSON Schema, required params, and annotations with actionable fixes

Fetches and parses a website's sitemap (via robots.txt discovery or direct URL), returning URL count, lastmod date range, sample URLs, and protocol issues.

Returns recommended Bitcoin fee rates (sat/vB) for next-block, 30-min, 1-hour, and economy confirmation targets, plus estimated cost in sats and USD for a given transaction size.

Calculates liquidation price and distance for perpetual futures (isolated margin) or lending positions, including health factor for lending.

Parses a User-Agent string to extract browser, engine, OS, device type, and detects if it is a known crawler or AI bot (GPTBot, ClaudeBot, PerplexityBot, scripts, etc.)

Returns network ownership details for an IP address — network name, CIDR, country, organization, and abuse contact — from regional internet registries via RDAP.

Recursively expands SPF includes, counts DNS lookups against the RFC 10-lookup limit, and flags weak or missing DMARC policies for a given domain

Generate UUID v4/v7, ULID, or nanoid (up to 100 at once), or decode a UUID/ULID to its version and embedded timestamp

Analyzes a password's strength using entropy, common-password checks, pattern detection, and crack-time estimates with actionable feedback

Analyzes text to return character count, word count (CJK-aware), sentence and paragraph counts, reading time, LLM token estimate, and top words

Validates JSON with error location, pretty-prints/minifies/sorts keys, measures depth and size, and extracts values by dot-bracket path like a.b[0].c

Converts YAML (including multi-document) to JSON or JSON to YAML, with line-numbered error reporting on failure

Converts CSV text to a typed JSON array (with auto delimiter detection and error rows) or converts a JSON array back to CSV

Converts GitHub-flavored Markdown to sanitized HTML with script URLs removed and raw HTML escaped, returning the rendered HTML plus a heading outline

Computes line, word, or character-level diff between two texts, returning a unified patch, added/removed counts, and similarity score

Converts fiat currency amounts using daily reference exchange rates from ECB (via Frankfurter) and ExchangeRate-API, returning non-tradable indicative rates

Converts values between units of length, mass, volume, area, speed, time, data, energy, pressure, temperature, and cryptocurrency denominations (wei/gwei/ETH)

Converts any text title into a URL slug (with accents removed, CJK preserved or ASCII-only) and a filesystem-safe filename.