A premium collection of web utilities designed for one purpose: helping you build faster without ever compromising your data. 100% Client-Side. No Tracking. No Cloud.
Specialized for REST API responses. Includes presets for Users/Products, pagination wrapper support, and nullable/optional toggles.
The original lightweight converter. Best for quick snippets and standalone JSON objects without the API-specific overhead.
Run complex find-and-replace rules across multiple lines or data sets. Real-time preview and safe browser execution.
Clean SVGs and convert them into optimized React, Vue, or Svelte components with accessible attributes automatically.
Generate robust Zod schemas and TypeScript types from JSON. Includes live validation preview and strict mode toggles.
Optimized for complex JSON structures (5-8+ levels). Features recursion detection, circular reference warnings, and layer annotations.
Standardize API failures with pre-built patterns for Validation, Auth, and Result types. Optimized for frontend error handling.
Optimized paging definitions for Offset, Cursor, and Page-based strategies. Includes presets for GitHub, Stripe, and Notion API patterns.
Building new local utilities weekly.
We believe that developer tools shouldn't require surrendering your intellectual property or data patterns to a cloud database.
Every utility in DevHub operates on a 100% local-first principle. All transformations happen in your browser's RAM and never leave your machine.