Privacy & security Tools
Hashes, ciphers and masking powered by WebCrypto — nothing uploaded.
AES-256-GCM Encryption Tool - Passphrase Based, In-Browser
Privacy & security
Encrypt and decrypt text with AES-256-GCM and a passphrase, entirely in your browser.
Credit Card Number Validator - Luhn Check and Brand Detection
Privacy & security
Validate card numbers with Luhn checks, detect the card brand and format the grouping.
Fake Identity Generator - Random Test Data, In-Browser
Privacy & security
Random fake identities for testing: name, gender, birthday, address, email and phone.
File Hash Calculator - SHA-1/256/384/512, In-Browser
Privacy & security
Compute SHA-1/256/384/512 hashes of files locally with the Web Crypto API.
Log Masker – Free, In-Browser
Privacy & security
Mask emails, IPv4 addresses, phone numbers and card numbers in pasted logs.
Password Strength Checker – Free, In-Browser
Privacy & security
Estimate password strength locally with length, variety and common-password checks.
RSA-OAEP Encryption Tool - Your Keys, In-Browser
Privacy & security
Encrypt and decrypt short messages with RSA-OAEP using your own public and private keys.
Secret Key Generator – Free, In-Browser
Privacy & security
Generate random keys in HEX, Base32 or Base64 with 128, 192 or 256 bits of entropy.