Paste a .env file and get a staged secret-rotation plan. Detects database URLs, API keys, auth tokens, private keys, cloud credentials, payment keys and encryption secrets, scores each by exposure and age, and schedules them across a 4-week rotation timeline with a dual-key checklist and a generated .env.example. Optional last-rotated dates and a configurable cadence (30/90/180/365 days) drive compliance scoring.

Security

Entropy Calculator

Measure the randomness of any data — Shannon entropy (bits/symbol), Min-Entropy (worst-case guess work), alphabet size, duplicate rate, and an average brute-force cracking time at a chosen hash rate. Rates data as Strong (≥128-bit min-entropy), Medium (64-127), or Weak (<64).

Validation

EU VAT Validator

Validate European Union Value Added Tax (VAT) numbers from all EU member states

Validation

ICCID Validator

Validate ICCID numbers for SIM cards with Luhn checksum and issuer analysis

Validation

ID Card Validator

Validate and analyze ID card numbers from various countries with detailed breakdown

Security

Hash Generator

Generate hash values (MD5, SHA1, SHA256, SHA512)

Validation

.env File Validator

Validate .env files for syntax errors and common issues

Security

JWT Decoder

Decode JWT tokens

Security

Excel Field-Level Decryptor

Decrypt specific fields in Excel files using various decryption methods to restore encrypted information

Security

Excel Field-Level Encryptor

Encrypt specific fields in Excel files using various encryption methods to protect sensitive information