Challenge Generators
Steganography CTF
Hide flags in images and audio using LSB embedding, classical ciphers, tar/zip wrapping, scatter keys, spectrogram encoding, and more. 34 transform steps across 7 difficulty levels.
LiveCryptography CTF
39 ciphers and encodings across 4 difficulty levels with 6 challenge types. Dynamic pipeline composition, crib dragging, hash cracking, cipher identification, and key-reuse attacks.
LiveRSA CTF
20 real-world RSA vulnerabilities: Wiener attack, Hastad broadcast, Fermat, Pollard p-1, cube root, common modulus, twin primes, dp leak, Rabin, batch GCD, padding oracle, and more.
LiveForensic CTF
File carving, memory dumps, disk images, metadata analysis, polyglot files, and packet capture challenges.
Web Exploitation CTF
XSS, SQL injection, SSRF, CSRF, JWT bypass, and IDOR challenges with sandboxed vulnerable endpoints.
Reverse Engineering CTF
Obfuscated code, binary puzzles, encoded algorithms, and logic gate challenges for reverse engineers.
OSINT CTF
Open-source intelligence puzzles using public data, geolocation, social media clues, and metadata trails.
Complete Solutions
Every challenge includes the full pipeline, keys, and step-by-step decode path as JSON.
Progressive Hints
Auto-generated hints guide solvers step-by-step without giving away the answer.
Flag Verification
SHA-256 hash of the flag lets solvers verify their answer without revealing it.
100% Client-Side
Zero uploads. Everything runs locally in your browser using Web Crypto API.