Skip-tracing toolkit.

Free reverse phone lookup tool providing carrier info and owner identification.

www.numlookup.com

Global caller ID search engine detecting caller names and linked social profiles.

sync.me

Worldwide crowd-sourced caller identification and spam detection database.

www.truecaller.com

Free reverse cell phone lookup and voicemail name extraction service.

www.spydialer.com

Performs real-time CNAM database queries to verify telecom caller ID info.

calleridtest.com

Carrier data verification API for phone line types, network, and caller info.

www.twilio.com/lookup

Returns mobile carrier names, wireless status, and SMS gateway domains.

freecarrierlookup.com

International mobile number tracker providing carrier and location insights.

www.emobiletracker.com

Free US public records lookup for people, addresses, and phone numbers.

www.fastpeoplesearch.com

Free reverse search by name, address, and phone number for US residents.

www.truepeoplesearch.com

Free web-based search engine for US personal records, emails, and addresses.

thatsthem.com

Aggregates public records, social profiles, and background details on individuals.

www.spokeo.com

Comprehensive public records, property, and background information search engine.

radaris.com

US people lookup providing contact details, addresses, and family associates.

nuwber.com

Searches for individuals and uncovers their associated social media footprints.

www.peekyou.com

Directory for US contact info, tenant checks, and public background records.

www.whitepages.com

Public records database providing addresses, phone records, and background data.

www.peoplefinders.com

UK directory searching the electoral roll, directory inquiries, and company filings.

www.192.com

Global directory for international individual and business search across 50+ countries.

www.infobel.com

Reverse email and phone OSINT tool finding registered accounts on major platforms.

epieos.com

Real-time selector pivoting connecting email addresses to hundreds of online platforms.

osint.industries

Professional email address finder, pattern detector, and verification tool.

hunter.io

Checks email exposure across billions of compromised breach databases.

haveibeenpwned.com

Reputation and risk assessment engine evaluating email age, deliverability, and leaks.

emailrep.io

Search engine mapping emails and credentials to data breach exposures.

dehashed.com

Breach intelligence database checking email and credential compromises.

leakcheck.io

Comprehensive address verification, ZIP+4 validation, and property data lookup.

www.melissa.com/v2/lookups

Official USPS address normalization and ZIP code lookup utility.

tools.usps.com/zip-code-lookup.htm

Nationwide parcel data platform for US property boundaries and owner info.

regrid.com

Direct portal to nationwide county assessor, tax, and recorder of deeds offices.

publicrecords.netronline.com

Global geocoding system converting 3-meter map squares into three unique words.

what3words.com

Web-based data filtering tool for extracting OpenStreetMap geospatial data.

overpass-turbo.eu

Geographical database covering over eleven million global placename locations.

www.geonames.org

Calculates sun position and shadow lengths for location and time verification.

suncalc.org

Global open database providing corporate registration data and officer records.

opencorporates.com

Free public access to U.S. corporate filings, financial reports, and disclosures.

www.sec.gov/edgar/searchedgar/companysearch

Official United Kingdom company registrar with accounts and filing histories.

find-and-update.company-information.service.gov.uk

Commercial business registry offering business verification and credit profiles.

www.dnb.com

Search official US business classification codes and industry benchmarks.

www.census.gov/naics

Open Financial Instrument Global Identifier database for cross-identifying assets.

www.openfigi.com

State corporate registration registry for verifying entity status in North Carolina.

www.sosnc.gov/search/index/corp

Search Texas business entity franchise tax status and officer rosters.

mycpa.cpa.state.tx.us/coa

Searchable archive of legal opinions, PACER docket records, and RECAP filings.

www.courtlistener.com

Official public access portal to U.S. federal appellate, district, and bankruptcy courts.

pacer.uscourts.gov

Directory of free and official local, county, and state public record registries.

publicrecords.searchsystems.net

National victim notification network tracking custody status and criminal cases.

www.vinelink.com

Locate federal inmates incarcerated in the United States from 1982 to present.

www.bop.gov/inmateloc

DOJ national registry connecting state, territorial, and tribal sex offender data.

www.nsopw.gov

Aggregated portal for searching state and federal trial court dockets.

unicourt.com

Free public repository of federal and state case law, statutes, and codes.

law.justia.com

Hunt down social media accounts by username across many platforms.

github.com/sherlock-project/sherlock

Web tool to enumerate usernames across hundreds of websites.

whatsmyname.app

Tool for searching nicknames across the web and social networks.

github.com/snooppr/snoop

API and web app for analyzing and finding profiles on social media.

github.com/qeeqbox/social-analyzer

Collects a dossier on a person by username from thousands of sites.

github.com/soxoj/maigret

Face-search engine to find images of a person across the web.

pimeyes.com

Email OSINT and password breach hunting tool.

github.com/khast3x/h8mail

Database of offshore companies and individuals behind them.

offshoreleaks.icij.org

Shows leaked passwords associated with a specific email address.

passwordsearch.net

Advanced search operators to find specific files and indexed data.

www.google.com

Search engine for historical data, leaks, and dark web archives.

intelx.io

General purpose search engine often used for alternative indexing.

www.bing.com

Search engine with powerful image recognition and regional indexing.

yandex.com

Privacy-focused search engine for anonymous information gathering.

duckduckgo.com

Search engine for internet-connected devices and infrastructure.

www.shodan.io

Platform for searching internet-wide host and certificate data.

search.censys.io

Tool for gathering subdomains, emails, and virtual hosts.

github.com/laramies/theHarvester

Provides historical domain, DNS, and IP address data.

securitytrails.com

Digital archive of the World Wide Web and other internet information.

archive.org

Facial recognition search engine to locate people, profiles, and verify identities.

facecheck.id

Dedicated reverse image search engine tracking modified and original image occurrences.

tineye.com

High-accuracy reverse visual search engine strong in faces and locations.

yandex.com/images

Visual identification engine for products, landmarks, text translation, and scene matching.

lens.google.com

Digital image forensics analysis featuring Error Level Analysis and metadata extraction.

www.fotoforensics.com

Online platform combining Stegsolve, zsteg, and Foremost for steganography analysis.

www.aperisolve.com

Free web tool to inspect, extract, and analyze hidden EXIF and document metadata.

www.metadata2go.com

GCHQ web app to decode, decompress, hash, and parse forensic artifacts and data strings.

gchq.github.io/CyberChef

Real-time global flight tracking service monitoring commercial and private aircraft.

www.flightradar24.com

Unfiltered flight tracker tracking military, government, and private aircraft globally.

globe.adsbexchange.com

Global vessel tracking platform displaying maritime AIS data, ports, and ship routes.

www.marinetraffic.com

Real-time maritime tracking tool delivering ship positions, ownership, and port calls.

www.vesselfinder.com

Free VIN lookup decoding vehicle specs, manufacturing plant, model year, and history.

www.vindecoderz.com

Collaborative, open-source global geographic database and interactive map service.

www.openstreetmap.org

Crowdsourced open-content collaborative mapping resource identifying physical structures.

wikimapia.org

Tool for searching and analyzing multi-spectral Earth observation satellite imagery.

apps.sentinel-hub.com/eo-browser

Near-real-time live satellite imagery, severe storm tracking, and global weather map.

zoom.earth

Synchronized display combining Google Maps, aerial photography, and Street View.

www.dualmaps.com

AI detection tool checking if images, audio, or video were generated by synthetic models.

www.aiornot.com

Conversational AI search engine offering structured research with direct citations.

www.perplexity.ai

AI-generated content scanner identifying deepfakes and machine-generated imagery.

hivemoderation.com/ai-generated-content-detection

Interactive directory focused on open-source intelligence gathering and tools.

osintframework.com

Curated repository of hundreds of specialized OSINT web utilities and scrapers.

cipher387.github.io/osint_stuff_tool_collection