Free Online Developer Tools & Code Utilities
Professional-grade, privacy-first web utilities for precision coding, formatting, and secure data manipulation. All execution happens entirely in your browser.
JSON Validator & Formatter
Validate, minify, and beautify complex JSON structures with syntax highlighting and error detection.
Base64 Encoder
Instantly encode or decode text and binary data to Base64 format locally.
JWT Debugger
Decode JSON Web Tokens and inspect their headers, payloads, and signatures safely.
Code Formatter
Support for Prettier-based formatting of JS, TS, CSS, and HTML files.
UUID v4 Generator
Generate cryptographically secure unique identifiers in bulk.
Curl to Fetch
Convert standard curl commands into modern JavaScript fetch syntax.
Hash Generator
Generate SHA-256, MD5, and SHA-1 hashes for any text or file input.
Privacy by Architecture
Unlike other online utility sets, SatyaXLab is a static-first application. We use modern Web APIs and client-side JavaScript to perform all transformations.
No Tracking
We don't log your inputs, payloads, or IP address.
Offline Capable
The tools continue to work even if you disconnect from the internet.