NanoTools

44 pay-per-call x402 tools for AI agents: Google Trends, Google & Yandex SERP, SEO audits, screenshots/PDF via headless Chromium, OG images, weather, FX, whois, RSS, and 25+ utilities. $0.001-$0.03 per call, USDC on Base, no signup.

Skills

• base64
  Base64 encode or decode. ?op=enc|dec&data=... Tolerant to missing padding.
  base64encodedecodeencoding
• color convert
  Convert colors between hex, rgb, hsl. ?color=#ff0000 or rgb(255,0,0)
  colorhexrgbhslconvert
• cron parse
  Explain a cron expression: next 3 run times in UTC. ?expr=*/5 * * * *
  cronschedulecrontabparser
• csv2json
  Convert CSV to JSON array. ?data=<csv urlencoded>&delim=,
  csvjsonconvertdata
• diff
  Unified diff of two texts with changed line count. ?a=<text>&b=<text>
  diffcomparetextschanges
• dns
  DNS lookup: A, AAAA, MX, TXT, NS, CNAME records for a domain. ?name=example.com&type=A
  dnslookupdomainmxnameserver
• hash multi
  MD5, SHA-1, SHA-256, SHA-512 in one call. ?text=...
  hashmd5sha1sha256checksum
• html entities
  Escape or unescape HTML entities. ?op=enc|dec&data=<text>
  htmlentitiesescapeunescape
• json
  Validate + pretty-print JSON. ?data={...} (urlencoded).
  jsonvalidateformatpretty
• jwt decode
  Decode a JWT header and payload WITHOUT signature verification. ?token=<jwt>
  jwttokendecodeauthclaims
• lorem
  Lorem ipsum placeholder generator. ?paras=3 or ?words=50
  loremipsumplaceholdertext generator
• markdown2html
  Convert Markdown to HTML (tables, fenced code). ?text=<markdown urlencoded>
  markdownhtmlconvertmd
• password
  Secure random password. ?len=16&symbols=1
  passwordgeneratorsecurerandom
• qr
  QR code generator. ?data=<text>&size=256 -> PNG as base64 in JSON.
  qrqrcodegeneratorimageencode
• random
  Cryptographically secure random number. ?min=&max= (ints, default 0..100).
  randomrngnumberdicelottery
• regex
  Test a regex against text: matches with groups and positions. ?pattern=<re>&text=<text>&flags=i
  regexregexpmatchtestpattern
• sha256
  SHA-256 and SHA-512 digests for any text (?text=). Deterministic, local, stable JSON.
  hashsha256sha512checksumdigest
• slug
  URL slug from any text. ?text=Hello%20World -> hello-world
  slugurlseotext
• text stats
  Text statistics: words, chars, sentences, reading time. ?text=...
  textwordscountstatisticsseo
• timestamp
  Unix timestamp <-> ISO8601 both ways. ?ts=1690000000 or ?iso=2026-01-01T00:00:00Z
  timestampunixepochdatetime
• toml2json
  Convert TOML to JSON. ?data=<toml urlencoded>
  tomljsonconvertconfig
• unit convert
  Convert units: length, weight, volume, data size, temperature. ?value=100&from=cm&to=inch
  unitconvertlengthweighttemperature
• urlcode
  URL encode/decode. ?op=enc|dec&data=...
  urlencodedecodepercent
• uuid
  Generate UUIDv4 (and optional count ?n= up to 100).
  uuidguididentifierunique id
• yaml2json
  Convert YAML to JSON. ?data=<yaml urlencoded>
  yamljsonconvertconfig
• fx rates
  ECB reference currency exchange rates. ?base=USD&symbols=EUR,GBP or ?date=2026-01-15
  currencyexchange ratefxforexecb
• ip info
  IP geolocation and network info: country, city, ASN/org, timezone. ?ip=1.2.3.4
  ipgeolocationasnnetworklookup
• rss
  Parse any RSS or Atom feed into clean JSON items. ?url=<feed>&limit=10
  rssatomfeednewsparse
• search
  Google web search. ?q=query&num=5 returns organic results with title, link, snippet.
  searchgooglewebserpfind
• weather
  Current weather + 7-day forecast by city name or lat/lon (open-meteo, no key needed). ?city=Moscow
  weatherforecasttemperatureclimate
• readability
  Text readability: Flesch score, level, avg sentence length, keyword density, top words. ?text=<text>&keyword=
  readabilityfleschseocontentkeyword density
• scrape
  Fetch a web page and return clean readable text. ?url=https://example.com
  scrapeextractweb pagereadercrawl
• whois
  Domain registration data via RDAP: registrar, created/updated/expires, status, nameservers. ?domain=example.com
  whoisdomainrdapregistrarexpiry
• robots audit
  Audit robots.txt + sitemap.xml of a site: rules, sitemaps listed, sitemap reachable, URL counts. ?url=<site root>
  robotssitemapseoauditcrawl
• seo meta
  SEO snapshot of a page: title, description, OG/Twitter meta, h1s, h2 count, canonical, robots meta, lang, word count. ?url=
  seometaopengraphtitledescription
• serp google
  Google SERP: organic results with position, ads count, related searches. ?q=&num=5&gl=us
  serpgooglesearchrankingkeywords
• serp yandex
  Yandex SERP for RU-market keyword research (region by ?lr=). ?q=&lr=213
  yandexserpsearchrussianranking
• og image
  Generate an Open Graph image 1200x630 from title/subtitle/theme. ?title=&subtitle=&theme=indigo|dark|green|red|blue
  og imageopen graphsocial previewbanner generatorimage
• render text
  Render a JS-heavy page in a real browser and return the visible text. ?url=
  renderjavascriptspascrapebrowser
• pdf
  Render any page to PDF (A4, print background) via headless Chrome. ?url=
  pdfconvertprintbrowserrender
• screenshot
  Real browser screenshot of any page as PNG (base64), JS rendered. ?url=&width=1280&height=800&full=0|1
  screenshotcapturebrowserrenderimage
• trends
  Google Trends interest over time for a keyword (weekly points, peak). ?q=casino&geo=US&time=12-m|5-y
  google trendsinterest over timekeyword researchsearch trendsseo
• trends region
  Google Trends interest by region/country for a keyword. ?q=casino&geo=&time=12-m
  google trendsinterest by regiongeokeyword researchseo
• trends related
  Google Trends related queries: top and rising search terms for a keyword. ?q=casino&geo=&time=12-m
  google trendsrelated querieskeyword ideassearch trendsseo
• seo report
  Full SEO audit report of a domain: health score 0-100, prioritized issues list, title/description/H1/canonical, robots.txt review, word count. Returns ready markdown report. ?url=https://example.com
  seo reportsite auditseo auditon-page seodomain analysis

How to call

https://nano.stacknodehost.com

Listed in

Directories this entry was found in.