DevNova Tools

Secure, 100% client-side developer utilities. Stop pasting production secrets into server-backed formatters.

JWT Decoder

Parse and decode JSON Web Tokens entirely locally. Inspect headers and payloads without transmitting your tokens to a backend.

JSON Formatter

Format, pretty-print, and validate complex JSON strings securely. Protect your API responses from third-party server logs.

RegEx Tester

Test Regular Expressions against server logs and PII natively in your browser. Ensure absolute data privacy.

Base64 & Hash Generator

Encode auth headers and generate SHA-256 hashes using native browser cryptography. Zero network requests.

Cron Translator

Translate complex 5-field cron schedules into readable human text using our completely offline parsing engine.

Download the Offline Desktop Suite

Need to work in a strict air-gapped environment? Get all 5 tools bundled into a single, secure desktop application for macOS, Windows, and Linux.

Get Desktop Companion ($9)