Text Encrypt / Decrypt
live
AES-256-GCM encryption in the browser. Passphrase-protected via PBKDF2 (600,000 iterations),
authenticated and tamper-evident. Everything runs via the Web Crypto API.
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Hash Generator
live
Compute MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes for any text or file.
Includes drag-and-drop file hashing, checksum verification and a progress bar for large files.
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Password Analyzer
live
Real-time entropy score, crack-time estimates across four attack scenarios,
pattern detection and a HaveIBeenPwned breach check using k-anonymity — only a 5-char hash prefix is ever sent.
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JWT Decoder
live
Decode any JSON Web Token — colour-coded header, payload and signature. Registered claims inspector,
expiry status, and in-browser signature verification for HMAC (HS256/384/512) and RSA/ECDSA algorithms.
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Secure Notes
soon
End-to-end encrypted notes with self-destructing share links. Read once, gone forever.
Encryption happens client-side before any data leaves your device.
Encoder / Decoder
soon
Convert between Base64, Base64url, URL encoding, HTML entities and hex — all in one place.
Useful for debugging payloads, sanitising input and inspecting encoded strings.
CIDR Calculator
soon
Subnet masks, broadcast addresses, usable host ranges and wildcard masks — instant network math.
Supports IPv4 with visual breakdown of each octet.
Regex Tester
soon
Test and debug regular expressions against live input with match highlighting and capture group inspection.
Supports flags and real-time evaluation.
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More tools in progress.
Suggestions or requests? Open an issue on GitHub or reach out directly.
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Suggestions or requests? Open an issue on GitHub or reach out directly.