Tools: opsec (35)

Java-based authorship anonymization tool that analyzes and modifies writing style features to reduce stylometric identification of document authors.

Community GitHub repository compiling data broker opt-out procedures, privacy request templates, and removal links for 2026.

Comprehensive browser privacy and security testing suite covering IP, DNS, WebRTC, canvas fingerprinting, font enumeration, and dozens of other…

W3Schools browser market share statistics showing usage distribution across browser types and versions to help craft believable user agent strings.

Danish browser information and fingerprinting test site that reveals detailed browser capabilities including plugins, fonts, screen properties, and…

Intel Techniques tutorial covering the complete process for freezing credit at all major and specialty bureaus to prevent identity theft and data…

Tests whether DNS queries are leaking outside a VPN tunnel by checking which DNS servers resolve your lookups, potentially exposing your ISP.

Alternative DNS leak testing service that identifies whether DNS requests bypass your VPN tunnel and expose your real ISP’s DNS servers.

Tests whether your email client or webmail service leaks your real IP address in email headers when sending messages.

Generates random fake identities including names, addresses, and personal details for use in anonymous account creation and persona testing.

Generates realistic synthetic identities including names, addresses, SSNs, and biographical details for persona creation during OSINT operations.

Collection of Firefox configuration tweaks and policies to disable telemetry, enhance privacy, and reduce browser fingerprinting surface.

Hyphanet (formerly Freenet) is a decentralized, privacy-oriented network for anonymous publishing and file sharing.

I2P is an anonymous overlay network supporting eepsites, messaging, and peer-to-peer services.

Michael Bazzell’s OSINT workbook covering comprehensive personal data removal, digital footprint reduction, and operational security techniques.

Comprehensive leak detection tool that tests for IP, DNS, WebRTC, and IPv6 leaks to verify VPN or Tor anonymization is working correctly.

Database and lookup service that detects whether an IP address belongs to a proxy, VPN, Tor exit node, or hosting provider to assess anonymization…

Tests whether IPv6 connectivity is leaking your real IP address outside a VPN tunnel that only routes IPv4 traffic.

Anonymization verification tool from the JonDonym project that checks IP, browser headers, cookies, and other identifiers for privacy leaks.

Directory of direct links to account deletion pages for hundreds of online services, rated by deletion difficulty to help with digital footprint…

Browser geolocation testing tool that checks what location data your browser exposes via the HTML5 Geolocation API to websites.

Metadata Anonymisation Toolkit v2 — command-line tool that strips metadata from documents, images, audio files, and archives before sharing to…

Firefox/Chrome security extension that blocks JavaScript, Java, Flash, and other active content by default to prevent browser fingerprinting and code…

EFF browser fingerprinting test (now Cover Your Tracks at coveryourtracks.eff.org) that measures how uniquely identifiable your browser is across the…

Community-maintained guide recommending privacy-respecting software, services, and best practices; covers VPNs, browsers, operating systems, email,…

Privacy-focused tool recommendation site covering encrypted messaging, VPNs, browsers, operating systems, and email providers; now largely redirects…

Open-source API that generates randomized user profiles including names, photos, addresses, and credentials for development and OSINT persona…

Browser-based tool that detects which social media platforms you are currently logged into by exploiting cross-origin image loading timing…

Generates photorealistic AI-synthesized human faces using StyleGAN2; each page load produces a unique, non-existent person’s portrait.

Official Tor Project distribution page for Tor Browser and related anonymity tooling.

IP address lookup and geolocation tool that reveals current IP, ISP, location, and additional network metadata visible to websites.

Parses and decodes user agent strings into human-readable browser, OS, and device information components.

Database of known user agent strings for browsers, bots, and devices; helps identify what browser/OS a user agent string represents or find strings…

Detects and reports your current browser, operating system, and plugins as seen by websites; useful for verifying anonymization and user-agent…

Identifies your current browser version and settings, providing a shareable link that displays your full browser fingerprint to others.