Domain / DNS
Domain, host, certificate, IP, and website footprint checks.
OSINT4ALL tool directory
Search OSINT tools by investigation task.
Search the OSINT tools directory by evidence type, access model, pricing, and verification needs so you can choose faster and document the limits.
Filter tools Search, category, pricing, and verification
Editorial standards
Use the data. Keep the judgment.
- Fit and limits stay visible.
- Commercial context cannot buy placement.
- Corrections are reviewed.
Directory workflow
Start broad. Leave with a shortlist.
Search by job
Start with the task, source type, signal, or tool name.
Narrow fit
Use category, pricing, access, and verification filters.
Pin candidates
Build a browser-only shortlist while browsing profiles.
Check context
Read caveats and disclosure before visiting the tool.
Start by job
Common investigation lanes
Pick a lane when the evidence type is clear and you need a faster shortlist.
Threat triage
Suspicious URLs, files, IPs, breach signals, and reputation checks.
Company research
Registries, filings, public records, and corporate footprint checks.
People & social
Handles, people, public topics, mentions, and media narratives.
Maps / geolocation
Place names, imagery, satellite, map, and sunlight checks.
Archives
Preserve pages, recover deleted sources, and document timelines.
Official-page screenshot
MapChecking
Crowd-size estimation from mapped areas
Verification: Editorial review
Workflow: Reporting
Pricing: Free
Best for: Use it when a protest, rally, queue, or public gathering claim needs transparent crowd-size estimation caveats.
Editorial
MapChecking
Crowd-size estimation from mapped areas
Editorial
Official-page screenshot
OpenAerialMap
Open aerial imagery catalog for mapping workflows
Verification: Editorial review
Workflow: Discovery
Pricing: Free
Best for: Use it when a geospatial workflow needs open imagery that can be inspected or reused with licensing context.
Editorial
OpenAerialMap
Open aerial imagery catalog for mapping workflows
Editorial
Official-page screenshot
SunCalc
Sun and shadow checks for visual verification
Verification: Editorial review
Workflow: Verification
Pricing: Free
Best for: Sunlight, shadow, time-of-day, and geolocation support when a known or suspected location can be tested.
Editorial
SunCalc
Sun and shadow checks for visual verification
Editorial
Official-page screenshot
Copernicus Data Space Ecosystem
Copernicus satellite data browser
Verification: Editorial review
Workflow: Verification
Pricing: Free
Best for: Use it when a case needs sensor-aware European satellite imagery, dates, cloud context, or downloadable scenes.
Editorial
Copernicus Browser
Copernicus satellite data browser
Editorial
Official-page screenshot
NASA Earthdata
NASA satellite imagery browsing
Verification: Editorial review
Workflow: Verification
Pricing: Free
Best for: Use it when a geospatial question needs environmental, fire, smoke, weather, or satellite-layer context over time.
Editorial
NASA Worldview
NASA satellite imagery browsing
Editorial
Official-page screenshot
OpenRefine
Open-source data cleaning and reconciliation
Verification: Editorial review
Workflow: Verification
Pricing: Free
Best for: Use it when OSINT work has moved from search into messy spreadsheets, entity lists, names, addresses, or identifiers…
Editorial
OpenRefine
Open-source data cleaning and reconciliation
Editorial
Editorial proof card
Open Ownership
Archived Open Ownership Register context and beneficial-ownership resources
Verification: Editorial review
Workflow: Enrichment
Pricing: Free
Best for: Understanding legacy Open Ownership Register references and routing beneficial-ownership research toward current country, standards, and source-record context.
Editorial
OpenOwnership Register
Archived Open Ownership Register context and beneficial-ownership resources
Editorial
Official-page screenshot
Free Law Project
Public U.S. legal opinions and docket context
Verification: Editorial review
Workflow: Discovery
Pricing: Free
Best for: U.S. legal, litigation, party, docket, court-opinion, and public-record context during due diligence or journalism.
Editorial
CourtListener
Public U.S. legal opinions and docket context
Editorial
Editorial proof card
U.S. Securities and Exchange Commission
Primary U.S. securities filings and company disclosures
Verification: Editorial review
Workflow: Verification
Pricing: Free
Best for: Primary U.S. public-company, fund, executive, ownership, and securities filing evidence.
Editorial
SEC EDGAR
Primary U.S. securities filings and company disclosures
Editorial
Official-page screenshot
UK Government
Primary UK company registry and filing search
Verification: Editorial review
Workflow: Verification
Pricing: Free
Best for: Primary UK company identity, company-number, officer, filing, status, charge, and document checks.
Editorial
Companies House
Primary UK company registry and filing search
Editorial
Official-page screenshot
Wikimedia Foundation
Structured open knowledge graph
Verification: Editorial review
Workflow: Enrichment
Pricing: Free
Best for: Use it when a person, organization, place, or concept needs identifiers and linked open-data context.
Editorial
Wikidata
Structured open knowledge graph
Editorial
Official-page screenshot
Ahrefs
Backlink and search visibility research
Verification: Editorial review
Workflow: Enrichment
Pricing: Paid
Best for: Backlink analysis, referring-domain research, search visibility, competing-page review, content gaps, and link-pattern investigation.
Editorial
Ahrefs
Backlink and search visibility research
Editorial
Official-page screenshot
Semrush
SEO and competitor visibility intelligence
Verification: Editorial review
Workflow: Enrichment
Pricing: Paid
Best for: Search visibility, keyword research, backlink context, SERP review, paid-search clues, and competitor content analysis.
Editorial
Semrush
SEO and competitor visibility intelligence
Editorial
Official-page screenshot
Meltwater
Media intelligence and social monitoring
Verification: Editorial review
Workflow: Monitoring
Pricing: Enterprise
Best for: Use it when PR, reputation, media-monitoring, or issue-tracking workflows need enterprise coverage and reporting.
Editorial
Meltwater
Media intelligence and social monitoring
Editorial
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