Development Tools
Block Cipher DES Mimic
Simulate DES encryption/decryption. Understand the Data Encryption Standard algorithm step-by-step. Learn cryptography practically.
Stream Cipher RC4 Sim
Encrypt and decrypt messages with the RC4 stream cipher. Online RC4 simulator for educational purposes and quick security checks.
One-Time Pad XOR
Encrypt and decrypt messages using a One-Time Pad with XOR. Secure and simple online OTP XOR tool.
VIC Knapsack Method
VIC Knapsack Method helps you prioritize tasks and projects. Optimize your workflow and make better decisions efficiently. Try it now!
Robots.txt Visual Analyzer
Analyze robots.txt instantly. Parse directives, spot issues, and test URLs by user-agent with longest-match evaluation. Private, fast, and fully browser based.
Regex Pattern Tester Online
Test regex patterns instantly with our free online Regex Pattern Tester. Visualize matches, debug syntax, and validate expressions securely in your browser.
Trifid Ternary Cipher
Encrypt & decrypt text with the Trifid Cipher online. Securely encode your messages using this ternary-based cryptography tool. Free and easy to use!
ADFGVX WWI Grid
Encrypt and decrypt messages using the ADFGVX cipher from WWI. Free online tool for historical cipher enthusiasts and students.
Book Cipher Page Ref
Book Cipher Page Ref: Securely encrypt messages using any book. Easy to use online tool. Encode and decode secret texts with page references.
Cardano Grille Shifter
Shift ADA between wallets, delegate stake, and manage your Cardano funds securely with Grille Shifter. Easy to use and built for convenience.
Beale Treasure Key
Crack the Beale Ciphers! Our tool helps you analyze and potentially decipher the legendary Beale treasure codes. Start your hunt today!
Base58 Bitcoin Encoder
Encode data to Base58 Bitcoin addresses. Secure and easy-to-use online tool for generating Bitcoin compatible Base58 strings.