Security tools
20 tools tagged with “Security”
Bcrypt Generator
Generate bcrypt password hashes with customizable cost factors (rounds), automatic salt generation, and support for all bcrypt variants ($2a$, $2b$, $2y$). Perfect for secure password storage in applications and databases.
Developer Utilities · Encoders & Decoders
Bcrypt Verifier
Verify passwords against bcrypt hashes by comparing plaintext passwords with stored bcrypt hash values. Supports all bcrypt variants ($2a$, $2b$, $2y$) and provides secure password verification for authentication systems.
Developer Utilities · Encoders & Decoders
Checksum Calculator
Calculate checksums for files and text using multiple algorithms (MD5, SHA-1, SHA-256, SHA-512, CRC32) to verify file integrity, detect corruption, compare files, and ensure data hasn't been modified during transmission or storage.
Developer Utilities · Encoders & Decoders
Code Obfuscator
Obfuscate JavaScript, TypeScript, and other code to make it harder to read and reverse-engineer. Rename variables and functions, minify code, add dead code, and protect intellectual property while maintaining functionality.
Developer Utilities · Encoders & Decoders
CSP Generator
Generate Content Security Policy (CSP) headers to protect websites from XSS attacks, clickjacking, and data injection. Create, customize, and validate CSP directives with visual builder and policy testing.
Developer Utilities · Network Testing
Hash Identifier
Identify hash types and algorithms from hash values by analyzing length, character set, and patterns. Supports detection of MD5, SHA-1, SHA-256, SHA-512, bcrypt, Argon2, and other common hash formats for security analysis and forensics.
Developer Utilities · Encoders & Decoders
HMAC Generator
Generate HMAC (Hash-based Message Authentication Code) signatures using various hash algorithms (SHA-256, SHA-512, SHA-1, MD5) for API authentication, message integrity verification, and secure request signing.
Developer Utilities · Encoders & Decoders
MD5 Hash Generator
Generate MD5 hash values from text or files for data integrity verification, checksum validation, password hashing (legacy), file comparison, and duplicate detection. Supports text input, file upload, uppercase/lowercase output, and hash comparison.
Developer Utilities · Code Generators
Passkey Generator
Test WebAuthn/FIDO2 compatibility on your device and websites, generate secure passkeys for passwordless authentication using biometric or hardware keys, with strong fallback password options for legacy systems.
Developer Utilities · Code Generators
Passphrase Generator
Generate secure, memorable passphrases using word lists (Diceware, EFF word list) with customizable word count, separator options, capitalization, and number/symbol insertion. More memorable than random passwords while maintaining high security.
Developer Utilities · Code Generators
Password Generator
Create secure, cryptographically random passwords with customizable length, character sets (uppercase, lowercase, numbers, symbols), and complexity requirements to meet website and organizational security policies.
Developer Utilities · Code Generators
Password Generator
Create secure, cryptographically random passwords with customizable length, character sets (uppercase, lowercase, numbers, symbols), and complexity requirements to meet website and organizational security policies.
Developer Utilities · Code Generators
Port Scanner
Scan TCP ports on network hosts to check which ports are open, closed, or filtered. Test port accessibility, identify running services, and get AI-powered security insights for network security audits.
Developer Utilities · Network Utilities
Protect PDF
Password protect PDF documents to restrict access and prevent unauthorized viewing. Free online PDF encryption tool with AES-256 security, permission controls, and user/owner password options. No signup required.
Document Processing · PDF Security & Protection
Secret Key Generator
Generate cryptographically secure secret keys in multiple formats (hex, base64, URL-safe) with customizable length, entropy calculation, strength indicators, and security analysis. Perfect for API keys, encryption keys, and authentication tokens.
Developer Utilities · Code Generators
Security Headers Checker
Analyze and check security headers (CSP, HSTS, X-Frame-Options, etc.) for any website. Get security ratings, recommendations, and detailed explanations of each header's purpose and configuration.
Developer Utilities · Network Testing
SSL Certificate Checker
Check SSL/TLS certificate validity, expiration dates, certificate chain, issuer information, and security configuration for any domain. Get alerts for expiring certificates and detailed certificate analysis.
Developer Utilities · Network Utilities
SSL Certificate Decoder
Decode and analyze SSL/TLS certificates to view certificate details, validity periods, issuer information, subject details, extensions, and cryptographic information. Perfect for certificate inspection and troubleshooting.
Developer Utilities · Network Utilities
Strong Password Generator
Generate strong, secure passwords with customizable length, character sets (uppercase, lowercase, numbers, symbols), exclusion of ambiguous characters, and strength indicators. Perfect for accounts requiring high security.
Developer Utilities · Code Generators
Token Generator
Generate secure authentication tokens, session tokens, and access tokens in multiple formats (hex, base64url, alphanumeric) with customizable length, entropy calculation, and security analysis for API authentication and session management.
Developer Utilities · Code Generators