Security Tools
Security and encryption tools that run entirely in your browser — no data leaves your machine. Generate hashes, encrypt text, create strong passwords, decode JWTs, and calculate file permissions.
AES Encryption
Encrypt and decrypt text using AES-256 encryption in your browser
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes
Password Generator
Generate strong, secure random passwords with customizable options
JWT Decoder
Decode and inspect JSON Web Token headers and payloads
Chmod Calculator
Calculate Linux file permissions with visual editor
UUID Generator
Generate cryptographically random UUIDs (v4)
Base64 Encoder/Decoder
Encode and decode Base64 — common in auth and data transfer
URL Encoder/Decoder
Encode and decode URLs to prevent injection and ensure safe transport
HTML Entity Encoder
Encode special characters to prevent XSS attacks
IP Address Lookup
Look up IP geolocation and network information
IP Subnet Calculator
Calculate subnet masks, network ranges, and CIDR notation
Random Number Generator
Generate cryptographically secure random numbers