Tool Categories

Data formatting is the foundation of readable, reviewable code and configuration. When you receive minified JSON from an API, a single-line SQL query from a log, or compressed HTML and CSS from a build step, formatting tools re-indent and re-structure the content so it's easy to scan, diff, and edit. DevToolsHub's formatters parse your input according to the language's grammar, apply consistent indentation rules, and surface syntax errors inline so you can fix them immediately — all in your browser, so sensitive payloads never leave your machine.

Encoding tools convert data into formats that survive transport across systems that impose character restrictions — query strings, HTTP headers, HTML attributes, and legacy APIs. Whether you're URL-encoding a parameter with special characters, Base64-encoding a binary blob for a data URI, or escaping HTML entities to prevent injection, these converters move data between representations losslessly. Every operation is reversible and runs locally, making them safe for tokens, credentials, and other sensitive values.

Converter tools translate values between equivalent representations so you can move data between systems without manual rewriting. Convert Unix timestamps to human-readable dates, switch between binary, octal, decimal and hex, transform JSON to YAML, CSV, TypeScript interfaces or GraphQL schemas, and convert colors between hex, RGB and HSL. Each converter understands the semantics of both formats, preserving meaning across the transformation while you stay in the browser.

Generator tools create fresh, well-formed values on demand using your browser's cryptographically secure random source. Generate RFC-compliant UUIDs for database keys and distributed IDs, strong passwords with configurable length and character sets, placeholder Lorem Ipsum text for mockups, cryptographic hashes for integrity checks, and cron expressions for scheduled jobs. Because generation happens client-side, generated secrets never traverse a network.

Inspector tools help you understand and troubleshoot what's happening inside your data and APIs. Decode JWT tokens to inspect claims and expiry, test regular expressions against sample text with live match highlighting, look up HTTP status codes, diff two blocks of text to spot changes, and send HTTP requests to inspect live API responses and headers. These utilities are essential for debugging authentication flows, validating input patterns, and diagnosing integration issues — all without exposing data to a third-party service.