Disposable temporary email service. Get an instant anonymous email address to receive emails without revealing your real address. Auto-deletes after a period.

Open-source browser tool that generates customizable privacy hardening scripts for Windows, macOS, and Linux. Browse 900+ organized tweaks — disable telemetry, advertising IDs, data collection services, and more — select what you want, and download a ready-to-run script. All script generation runs client-side: no account, no uploads, nothing leaves your browser.

Open-source tests of web browser privacy. Compares tracking protection, fingerprinting resistance, and other privacy features across major browsers.

Test how well your browser protects you from tracking. By the Electronic Frontier Foundation (EFF).

Check if your DNS requests are leaking outside your VPN tunnel. Run standard or extended tests to verify DNS privacy.

Analyze HTTP security headers of any website. Get a grade and recommendations for CSP, HSTS, X-Frame-Options, and more.

Check if your email address or phone number has been compromised in a data breach. Covers billions of records from known breaches and pastes.

Comprehensive browser fingerprinting test suite. Check what information your browser reveals: IP, WebRTC, Canvas, fonts, and more.

Scan files and URLs for malware using 70+ antivirus engines. Google-owned comprehensive threat detection service.

Comprehensive leak detection: IP address, DNS servers, WebRTC, geolocation, and browser fingerprint. Essential VPN verification tool.

A browser-based file encryption and decryption tool that works entirely client-side. hat.sh uses AES-256-GCM encryption with either a password or public/private key pair. Files never leave your browser — no uploads, no servers, no accounts.