Resources

Sentrly's free tools

Built and maintained by us, in your browser, with no data leaving your device.

• Password generator — strong random passwords with adjustable length
• Passphrase generator — long, memorable passphrases
• Password strength checker — analysis without sending data anywhere
• Browser privacy snapshot — what your browser leaks about you
• VPN vs proxy decision helper — pick the right tool for your situation
• Security headers explainer — what each HTTP security header does
• All tools →

Sentrly checklists

• All checklists — printable, step-by-step

Official resources we link to and cite

These are primary sources we link to throughout the site. Bookmark them.

• CISA — US Cybersecurity & Infrastructure Security Agency
• NCSC — UK National Cyber Security Centre
• CERT-In — Indian Computer Emergency Response Team
• NIST CSRC — Computer Security Resource Center (cryptography standards)
• OWASP — Open Worldwide Application Security Project
• Have I Been Pwned — check if your email appears in known breaches

Privacy-respecting tools we trust

Listed without affiliate links. Selection based on our own use and our public review methodology.

• Password managers: Bitwarden, 1Password, Proton Pass
• Encrypted messaging: Signal, iMessage
• Email: Proton Mail, Tutanota
• Browsers: Brave, Firefox, Tor Browser
• DNS filtering: NextDNS, Cloudflare 1.1.1.3, AdGuard DNS
• Ad-blocker: uBlock Origin (Firefox/Chrome)
• 2FA: Aegis (Android), Raivo (iOS), YubiKey, Google Titan
• Backup: Restic, BorgBackup, Cryptomator (encryption layer)

Reading we recommend

• Krebs on Security — investigative journalism
• Schneier on Security — Bruce Schneier's blog
• The Citizen Lab — research on digital threats to civil society
• Electronic Frontier Foundation — digital rights advocacy

This list is curated and updated by the Sentrly editorial team. We do not accept payment for inclusion. If you'd like to suggest a resource, write to hello@sentrly.com.