🧰 DevKit

Simple, fast and useful developer tools — all in one place.

Format JSON, decode JWTs, generate UUIDs, test regex, convert timestamps and more — right in your browser, with no signup.

Live Demo · Report a Bug · Request a Tool

---

📸 Preview

✨ Features

• ⚡ Fast and lightweight — results appear instantly
• 🔒 Privacy-focused — many tools run entirely in your browser
• 🧰 30+ developer utilities in one place
• 🔎 Search and filter tools quickly
• ⌨️ Command Palette — press Ctrl + K to jump to any tool
• 📱 Responsive design — works on desktop and mobile
• 🌐 No signup required
• 🧑‍💻 Open source (MIT)

🛠️ Available Tools

DevKit ships with 30+ tools, all listed in data/tools.ts:

Tool	Description
JSON Formatter	Format and beautify JSON data instantly
JSON Validator	Validate JSON and pinpoint syntax errors
JWT Decoder	Decode JWT tokens and inspect their contents
JWT Generator	Generate and sign JSON Web Tokens with a secret
UUID Generator	Generate random UUIDs quickly
Regex Tester	Test and debug regular expressions
Base64 Encoder	Encode and decode Base64 strings
Timestamp	Convert and work with Unix timestamps
Color Converter	Convert colors between HEX, RGB and HSL
Hash Generator	Generate hashes from text and data
Hash Compare	Compare two hash values and check whether they match
URL Encoder / Decoder	Encode and decode URL components
Password Generator	Generate strong random passwords securely in your browser
Password Strength Analyzer	Analyze password strength and security requirements
Markdown Previewer	Write and preview Markdown in real time
Markdown Playground	Edit and experiment with Markdown interactively
JSON → TypeScript	Convert JSON into TypeScript interfaces
JSON → Zod	Convert JSON into Zod validation schemas
Color Palette Generator	Generate a full color scale from a base color
API Tester	Test HTTP APIs and inspect responses
HTTP Request Builder	Build and send HTTP requests directly from your browser
Environment Variable Generator	Generate and format environment variables
Snippets	Save and manage reusable code snippets
Tool Chaining	Connect multiple DevKit tools into one workflow
Git Branch Name Generator	Generate clean, consistent git branch names
CIDR Calculator	Calculate network details from a CIDR block
Character Counter	Count characters, words, sentences, lines and paragraphs
Browse the full list on the Tools page.

🚀 Getting Started

Requirements

• Node.js (LTS recommended)
• npm

Installation

# Clone the repository
git clone https://github.com/parsarvs1/devkit.git

# Enter the project
cd devkit

# Install dependencies
npm install

# Start the development server
npm run dev

Then open http://localhost:3000.

🧱 Built With

• Next.js (App Router)
• React
• TypeScript
• Tailwind CSS
• Lucide React
• NextAuth.js
• Cloudflare Workers (via OpenNext)
• Tauri + Vite for the desktop shell in desktop/ and src-tauri/

📁 Project Structure

devkit/
├── app/                    # Next.js App Router
│   ├── about/
│   ├── account/
│   ├── api/                # Auth and data API routes
│   ├── dashboard/
│   ├── login/
│   ├── quick-actions/
│   ├── settings/
│   ├── signup/
│   ├── tools/              # One folder per tool + the tools listing
│   ├── workspace/
│   ├── layout.tsx
│   └── page.tsx            # Landing page
├── components/             # Navbar, Footer, ToolCard, CommandPalette, widgets…
├── data/
│   └── tools.ts            # Single source of truth for the tool list
├── hooks/                  # usePinnedTools, useRecentTools
├── lib/                    # toolMetadata, db, pins, toolHistory, shareState…
├── shared/                 # Framework-agnostic tool logic (hash, jwt, base64…)
├── desktop/                # Tauri + Vite desktop shell
├── src-tauri/              # Tauri config and native wrapper
├── public/
│   └── screenshots/
│       └── devkit-new-home.png
├── auth.ts                 # NextAuth configuration
├── open-next.config.ts     # OpenNext (Cloudflare Workers) config
├── wrangler.jsonc          # Cloudflare Workers config
├── next.config.ts
├── package.json
└── README.md

Tool logic lives in shared/ so it can be reused by both the web app and the desktop shell.

➕ Adding a New Tool

1. Create a new route under app/tools/<tool-slug>/ with a page.tsx (the UI) and a layout.tsx that calls toolMetadata("<tool-slug>") for SEO metadata.
2. Put the framework-agnostic logic in shared/ so the desktop app can reuse it.
3. Register the tool in data/tools.ts — add its name, description, icon, href and category. This makes it show up on the tools page, in search and in the command palette.
4. Test it locally with npm run dev, and run npm run lint before submitting.
5. Open a Pull Request.

🤝 Contributing

Contributions are welcome! If you have an idea for a useful developer tool:

1. Fork the repository
2. Create a new branch (git checkout -b feature/my-tool)
3. Make your changes
4. Test the project
5. Open a Pull Request

Please read CONTRIBUTING.md before contributing.

🗺️ Roadmap

DevKit is pre-1.0, aiming for 50+ tools. The full plan lives in ROADMAP.md. Highlights:

• More tools (diff checker, cron parser, SQL formatter, YAML/CSV converters…)
• Per-tool documentation, examples and FAQs
• Accessibility — target WCAG 2.2 AA
• Performance — Lighthouse 95+ across the board
• Custom domain
• PWA / offline support — a web app manifest is already in place; a service worker is next

📄 License

Released under the MIT License.

⭐ Support

If you find DevKit useful, please consider giving the repository a star — it helps the project reach more developers.

Built for developers.