🔍 OSINT Toolchain

Client-Side Open Source Intelligence Gathering & Analysis

⚠️ Legal Notice: These tools are for authorized security research, penetration testing, CTF competitions, and educational purposes only. Always obtain proper authorization before conducting any reconnaissance activities. Unauthorized access or data gathering may be illegal in your jurisdiction.

DNS Lookup

Query DNS records for a domain (A, AAAA, MX, TXT, NS, CNAME)

IP Geolocation

Get geographic location and ISP information for an IP address

SSL Certificate Info

Analyze SSL certificate details for a domain

Subdomain Finder

Generate common subdomain combinations to test

URL Analyzer

Parse and analyze URL components and parameters

Port Reference

Common port numbers and their associated services

Username Search Generator

Generate links to check username availability across platforms

Social Media Profile Links

Quick links to major social media platforms

Profile Image Search

Generate reverse image search URLs for profile pictures

GitHub OSINT

Generate GitHub search queries for user analysis

Email Header Analyzer

Parse and analyze email headers for investigation

Email Validator

Check email format and extract domain information

Disposable Email Detector

Check if an email uses a temporary/disposable email service

Email Permutator

Generate possible email address variations

Hash Identifier

Identify hash type based on format and length

Base64 Encoder/Decoder

Encode or decode Base64 strings

Client-Side Hash Generator

Generate cryptographic hashes (MD5, SHA-1, SHA-256)

JWT Decoder

Decode and analyze JSON Web Tokens

HTTP Headers Viewer

View HTTP headers returned by a URL (requires CORS support)

IP Address Info

Get your current IP address and basic network info

User Agent Analyzer

Parse and analyze user agent strings

CIDR Calculator

Calculate IP ranges from CIDR notation

MAC Address Lookup

Identify vendor from MAC address OUI

Timestamp Converter

Convert between Unix timestamp and human-readable date

EXIF Data Info

Information about image metadata extraction

EXIF data contains metadata like camera settings, GPS coordinates, timestamps, and software used. Client-side extraction requires JavaScript libraries like exif-js. 

Common EXIF Fields:
• Camera Make/Model
• Date/Time Original
• GPS Latitude/Longitude
• Software Used
• Image Dimensions
• ISO Speed
• Focal Length
• Exposure Time

Recommended Tools:
• exiftool (command line)
• Jeffrey's Image Metadata Viewer
• Exif Pilot (Windows)
• Photo Investigator (macOS)

Document Metadata

Information about document metadata analysis

PDF, Office docs, and other files contain metadata about creation, modification, and authors. 

Common Metadata Fields:
• Author/Creator
• Creation Date
• Modification Date
• Software Used
• Company/Organization
• Comments/Keywords
• Edit History
• Template Used

Analysis Tools:
• FOCA (Fingerprinting Organizations)
• pdfinfo (command line)
• ExifTool (multi-format)
• Metadata Extraction Tool

File Hash Calculator

Calculate file hashes client-side (drag and drop)

String Extractor

Extract readable strings from files

Essential OSINT Frameworks

Search Engines & Databases

Domain & Network Intel

Social Media OSINT

Image & Video OSINT

GitHub Intelligence