--- title: "Free tools" url: "https://lookvalid.com/tools.md" canonical_url: "https://lookvalid.com/tools" last_updated: "2026-10-19" type: "index" summary: "Free lookup tools that need no account and run on the same data as the API: IP, phone, email domain, domain age and more." --- # Free tools Free lookup tools that need no account and run on the same data as the API: IP, phone, email domain, domain age and more. Free tools need no account and no API key. The lookup tools run real LookValid lookups and are rate limited per visitor. The calculators and builders run in your browser. - [IP address lookup](https://lookvalid.com/tools/ip-address-lookup.md): See where an IPv4 or IPv6 address is located, which network owns it and whether it is a Tor exit or hosting address. - [Email domain checker](https://lookvalid.com/tools/email-domain-checker.md): Check the mail records behind an email address or domain: MX servers, SPF, DMARC, disposable and free providers. - [DMARC checker](https://lookvalid.com/tools/dmarc-checker.md): Read a domain's DMARC record and see its policy, subdomain policy, percentage and report addresses explained. - [Phone number validator](https://lookvalid.com/tools/phone-number-validator.md): Validate a phone number against its country's numbering plan and get E.164, national and international formats. - [Who called me](https://lookvalid.com/tools/who-called-me.md): Check whether a number has been reported for unwanted calls in public FTC and FCC complaint data. - [Spam phone checker](https://lookvalid.com/tools/spam-phone-checker.md): Get a spam risk level for a phone number from public FTC and FCC complaint records, with the evidence behind it. - [Domain age checker](https://lookvalid.com/tools/domain-age-checker.md): Find out when a domain was registered, how old it is, when it expires and which registrar holds it. - [Website contact finder](https://lookvalid.com/tools/website-contact-finder.md): Find the email addresses, phone numbers and social profiles a website publishes on its own pages. - [Link-in-bio extractor](https://lookvalid.com/tools/link-in-bio-extractor.md): Pull the profile name, description and every outbound link from a public link-in-bio page. - [Country calling code lookup](https://lookvalid.com/tools/country-code-lookup.md): Find a country by calling code, two-letter code or name, with its number lengths, dialing prefixes and an example number. - [Carrier lookup](https://lookvalid.com/tools/carrier-lookup.md): See which carrier a US or Canadian number block was first assigned to, with its rate center and state. - [Link safety checker](https://lookvalid.com/tools/is-this-link-safe.md): Check a web address against a public list of reported malicious domains before you click. - [VIN decoder](https://lookvalid.com/tools/vin-decoder.md): Decode a 17-character vehicle identification number into make, model, year, engine and build details. - [Domain authority checker](https://lookvalid.com/tools/domain-authority-checker.md): Score a domain from 0 to 100 using open web-graph and popularity rankings, with the ranks behind the score. - [Site files checker](https://lookvalid.com/tools/site-files-checker.md): Check a site's robots.txt, sitemaps, llms.txt and security.txt, test a URL against robots.txt and see which AI crawlers are allowed. - [CPM Calculator](https://lookvalid.com/tools/cpm-calculator.md): Work out CPM, total cost, impressions or eCPM from the numbers you have. The formula is shown with your values. - [Engagement Rate Calculator](https://lookvalid.com/tools/engagement-rate-calculator.md): Engagement rate for Instagram, TikTok, YouTube or X from average likes, comments and followers or views. - [YouTube Money Calculator](https://lookvalid.com/tools/youtube-money-calculator.md): Estimate YouTube ad revenue per day, month and year from your views and a low and high RPM. - [UTM Builder](https://lookvalid.com/tools/utm-builder.md): Add source, medium and campaign tags to any link, with channel presets and warnings that keep your reports clean. - [Phone Number Format Guide](https://lookvalid.com/tools/phone-format.md): Pick a country and see one sample number written the national way, the international way and as E.164, with digit counts. - [Email Verification Cost Calculator](https://lookvalid.com/tools/email-verification-cost-calculator.md): Enter how many emails you need verified and see each provider's published price, ranked lowest total first. - [Phone Validation Cost Calculator](https://lookvalid.com/tools/phone-validation-cost-calculator.md): Enter how many phone numbers you need validated and see each provider's published price, ranked lowest total first. - [SPF Record Checker](https://lookvalid.com/tools/spf-record-checker.md): Read a domain's SPF record and count its DNS lookups out of 10, follow every include and see what the policy means. - [MX Record Lookup](https://lookvalid.com/tools/mx-record-lookup.md): List the mail servers of a domain in priority order, see which provider runs them, and spot a null MX or a missing record. - [WHOIS Lookup](https://lookvalid.com/tools/whois-lookup.md): Read a domain's registration record from its registry: registrar, dates, name servers, DNSSEC and lock status. - [DOT Number Lookup](https://lookvalid.com/tools/dot-number-lookup.md): Look up a USDOT number in the FMCSA census: status, docket numbers, classification, fleet size and safety rating. - [Bluesky Profile Viewer](https://lookvalid.com/tools/bluesky-profile-viewer.md): Look up a public Bluesky profile by handle: name, bio, follower and post counts, and account age. - [VPN and Proxy Check](https://lookvalid.com/tools/vpn-proxy-detection.md): Check an IP address against the Tor exit list and published cloud and hosting ranges. - [IP Blacklist Check](https://lookvalid.com/tools/ip-blacklist-check.md): See the reputation signals held on an IP address, each with its points, and a reputation band for the total. - [Phone Line Type Lookup](https://lookvalid.com/tools/phone-line-type-lookup.md): See what kind of line sits behind a phone number, with a plain meaning for every type. - [What is my IP address](https://lookvalid.com/tools/what-is-my-ip.md): See your public IP address, its approximate location and the network that owns it. - [NPI Number Lookup](https://lookvalid.com/tools/npi-lookup.md): Look up a 10-digit NPI number: provider or organization name, status, specialty, practice address and phone, read live from the CMS registry. - [Is This Website Legit Checker](https://lookvalid.com/tools/is-this-website-legit.md): Read a web address for look-alike letters, brand tricks, a new registration and a public warning list. - [ZIP Code Lookup](https://lookvalid.com/tools/zip-code.md): Enter a US ZIP or ZIP+4 and see its place names, state and approximate centre, plus what the digits of a ZIP code mean. - [Scam Text Message Checker](https://lookvalid.com/tools/scam-text-message-checker.md): Paste a suspicious text and see which scam patterns it matches, with a clear next step. - [Phishing Email Checker](https://lookvalid.com/tools/phishing-email-checker.md): Paste an email, with its headers if you have them, and see which phishing patterns it matches. - [Is This a Scam Checker](https://lookvalid.com/tools/is-this-a-scam.md): Paste any message, offer or direct message and see which scam patterns it matches, with the next step. For volume, use the [API](https://lookvalid.com/docs/quickstart.md) with a key.