31 Free Tools · 100% Browser-Based
Security Tools
Free, privacy-first tools for your digital security. Everything runs in your browser — no accounts, no tracking, nothing sent to any server.
No accounts required
Nothing stored
No server calls
Works offline
Free forever
Generator Tools
Account Security Score
Answer 10 questions and get your personal security score with specific gaps and recommendations. Takes 2 minutes.
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Password Strength Checker
Real-time entropy score, crack time estimate, and specific improvement tips. Your password never leaves your browser.
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Recovery Code Vault
Store your 2FA backup codes encrypted with AES-256. Client-side only — codes never leave your browser.
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Password Generator
Generate strong, cryptographically random passwords. Customise length, character types, and exclude ambiguous characters.
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Username Generator
Generate unique usernames in multiple styles — fun, anonymous, tech, professional. Generate 8–24 options at once and copy your favourite.
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Random Number Generator
Generate cryptographically random numbers in any range. Dice presets (D6, D20, D100), bulk generation, and lottery mode. 100% browser-based.
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UUID Generator
Generate RFC 4122 UUID v4 identifiers instantly. Bulk generate up to 100 at a time, with format options: standard, uppercase, no-dashes, or braces.
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Phone Number Generator
Generate realistic random phone numbers by country, state, and city. Supports US, UK, India, Canada, Australia and more. 100% private.
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Name Generator
Generate realistic random names from 20 different countries and cultures — US, Indian, Japanese, Arabic, Spanish and more. Nothing stored.
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Security & Privacy
2FA QR Code Scanner
Upload a 2FA QR code image or use your camera to scan it. Extracts the TOTP secret key so you can use it directly — no authenticator app needed.
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Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes instantly. Real-time output as you type, with one-click copy per algorithm.
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IP Address Lookup
Find your public IP address instantly. Look up any IP or domain for geolocation, ISP, ASN, and timezone information.
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Developer & Power User
Base32 Encoder / Decoder
Encode text to Base32 or decode Base32 strings back to text. Also includes a TOTP code verifier — check if any 6-digit code is valid for a secret key.
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JWT Decoder
Decode any JSON Web Token: inspect header, payload claims, algorithm, issuer, and expiry. Colour-coded with automatic expiry checking.
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TOTP Secret Key Generator
Generate a cryptographically secure base32 secret key for 2FA setup. Compatible with all authenticator apps. Runs 100% in your browser.
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OTPAuth URI Builder
Build
otpauth:// URIs and scannable QR codes for authenticator app setup. Enter your secret, issuer and account — QR generated instantly.Open →
Unix Timestamp Converter
Convert epoch timestamps to human-readable dates and back. Live current Unix time with TOTP window display. Essential for debugging JWTs and TOTP.
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HMAC Generator
Generate and verify HMAC signatures using SHA-256, SHA-512, SHA-384, or SHA-1. Uses the native Web Crypto API. Includes verify mode for webhook debugging.
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Bcrypt Hash Generator
Hash and verify passwords with bcrypt. Choose your cost factor (8–12). Includes a verify mode to check password-hash pairs. 100% client-side.
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Passphrase Generator
Generate strong, memorable passphrases from random words. Diceware-style with entropy calculator. Often more secure than random character passwords.
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DNS & Network Tools
DNS Record Lookup
Query A, AAAA, MX, TXT, CNAME, NS, SOA and all other DNS record types for any domain. Uses DNS-over-HTTPS for instant results.
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WHOIS Lookup
Find domain registration date, expiry, registrar, nameservers, and ownership info for any domain. Free WHOIS query with parsed results.
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DNS Propagation Checker
Check whether recent DNS changes have propagated across global DNS servers. Query from multiple regions to verify your DNS is live worldwide.
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Reverse DNS Lookup
Find the hostname (PTR record) associated with any IPv4 or IPv6 address. Essential for verifying mail servers and investigating IP addresses.
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HTTP Headers Viewer
Inspect the HTTP response headers returned by any URL. Check security headers, caching, server type, redirects, and CORS configuration.
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DNSSEC Checker
Test whether a domain is configured for DNSSEC (DNS Security Extensions). Verifies DNSKEY and DS records to confirm DNSSEC is active and valid.
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Subdomain Finder
Discover known subdomains for any domain using DNS certificate transparency logs and common subdomain enumeration. No installation required.
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Blacklist / Spam Checker
Check if a domain or IP address appears on common spam blacklists and DNS-based blocklists. Essential for email deliverability troubleshooting.
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Port Scanner
Check if common TCP ports are open or closed on any server or domain. Tests HTTP, HTTPS, SSH, FTP, SMTP, MySQL, Redis and more. No install needed.
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Ping Test
Measure HTTP response time to any domain or IP from your browser. Track min, max, average latency and packet loss across multiple pings.
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Traceroute
Trace the network path to any domain or IP. Discover each hop with hostname resolution, geolocation, ISP info, and latency at every step.
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Comparison Guides
Best Password Managers 2026
1Password · Bitwarden · Dashlane · NordPass
Detailed comparison of pricing, features, security architecture, and who each manager is best suited for.
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Best Authenticator Apps 2026
Google Auth · Authy · Microsoft · Aegis · Raivo
Cloud backup, multi-device, open source — all the differences that actually matter when choosing a 2FA app.
Read comparison →