Zero-Trust Client Cryptography & Auth Studio
All key generation, hash derivations, signature computations, and ASN.1 decoding execute 100% inside your browser's Web Crypto C++ runtime. Zero server network logs, zero persistent cookies, and absolute air-gapped mathematical privacy.
SubtleCrypto Native
Hardware-level acceleration
Zero Server RAM
Air-gapped client execution
Military AES-256
RSA 4096-bit & P-384 curves
Instant CSPRNG Master Password
Generated locally with Web Crypto entropy (158 bits strength)
Cryptography & Air-Gapped Key Vaults
4 Cryptography ToolsRSA & ECDSA Key Pair Generator
Synthesize asymmetric cryptographic key pairs (RSA 2048/4096-bit and ECDSA P-256/P-384) formatted as PKCS#8/SPKI PEM.
Hash & Key Derivation Sandbox
Compute SHA-256, SHA-512, MD5, Bcrypt, and PBKDF2 derivations with client-side hash matching and verification.
Client-Side Encrypt & Decrypt
Encrypt documents and secret strings using authenticated AES-GCM 256-bit with PBKDF2 salt stretching.
PGP Key & Message Foundry
Generate OpenPGP armor keys, sign ASCII payloads, and decrypt GPG encrypted communication client-side.
Authentication, Tokens & Certificates
3 Cryptography ToolsSecure Password & Entropy Analyzer
Generate cryptographically random passwords, EFF Diceware passphrases, and batch UUIDs with mathematical entropy scoring.
X.509 Certificate & CSR Decoder
Inspect and parse TLS/SSL X.509 Certificates and CSRs locally to extract SANs, expiration alerts, issuers, and fingerprints.
TOTP 2FA & Webhook Authenticator
Sign Stripe/GitHub HMAC-SHA256 payloads, inspect live ticking TOTP 2FA tokens, and generate Apache .htpasswd hashes.
System, Permissions & Network Security
4 Cryptography ToolsChmod Permissions Calculator
Interactive visual octal (755, 644, 700) and symbolic (rwxr-xr-x) POSIX file permission calculator with umask simulator.
Luhn Algorithm & Card Validator
Validate checksum modulus-10 checksums on credit cards and IMEI numbers with 100% offline verification.
IP Subnet & CIDR Network Calculator
Compute IPv4/IPv6 CIDR network boundaries, usable host addresses, broadcast addresses, and wildcard netmasks.
Metadata & EXIF Scrubber
Strip GPS geolocation coordinates, device serial numbers, camera models, and author names from photos and documents.