Toolgio's AES-256 Decryption Tool runs 100% in your browser — zero data ever leaves your device. 🔐 What makes it different: • GCM, CBC, ECB & CTR mode support • PBKDF2 password-based key derivation • File drag-and-drop decryption • Base64 & hex input/output • Auto IV & salt generation • Works offline after page load Built for developers, security researchers, CTF players & anyone handling encrypted data. No signup, no server, completely free — forever. Try it free → toolgio.com