DevPulse

Fast, Free Developer Tools — Right in Your Browser

25 essential utilities for developers. No sign-up. No tracking. No nonsense.

Live Site · API Docs · Report Bug

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What is DevPulse?

DevPulse is a collection of 25 developer tools that run instantly in your browser or via a REST API. Every tool is free, fast, and works without creating an account. Built with FastAPI for speed and simplicity.

Tools

Category	Tools
Data & Encoding	JSON Formatter, Base64 Encoder/Decoder, URL Encoder/Decoder, HTML Encoder/Decoder, JSON to YAML
Security & Crypto	Hash Generator (MD5/SHA-1/SHA-256/SHA-512), UUID Generator, Password Generator, JWT Decoder
Text & Content	Word Counter, Text Case Converter, Lorem Ipsum Generator, Slug Generator, Markdown Preview, Diff Checker
Code & Dev	Regex Tester, SQL Formatter, CSS Minifier, Cron Expression Parser, HTTP Status Codes
Web & Network	QR Code Generator, Color Converter, IP Lookup, Chmod Calculator, Unix Timestamp Converter

Quick Start

Run Locally

git clone https://github.com/folger-john/devpulse.git
cd devpulse
pip install -r requirements.txt
uvicorn main:app --host 0.0.0.0 --port 8090

Open http://localhost:8090 in your browser.

Self-Hosting (Production)

# Install dependencies
pip install -r requirements.txt

# Run with uvicorn (production)
uvicorn main:app --host 0.0.0.0 --port 8090 --workers 4

# Or use the included start script
./start.sh

For production deployments, put nginx or Caddy in front as a reverse proxy with HTTPS.

API Usage

All tools are available as REST API endpoints. Free tier: 120 requests/minute.

Format JSON

curl -X POST https://devpulse.tools/api/json-format \
  -H "Content-Type: application/json" \
  -d '{"text": "{\"name\": \"devpulse\", \"version\": 1}", "indent": 2}'

Generate Hash

curl -X POST https://devpulse.tools/api/hash \
  -H "Content-Type: application/json" \
  -d '{"text": "hello world", "algorithm": "sha256"}'

Generate UUID

curl -X POST https://devpulse.tools/api/uuid \
  -H "Content-Type: application/json" \
  -d '{"version": 4, "count": 3}'

Base64 Encode/Decode

curl -X POST https://devpulse.tools/api/base64 \
  -H "Content-Type: application/json" \
  -d '{"text": "Hello, DevPulse!", "action": "encode"}'

Generate QR Code

curl "https://devpulse.tools/api/qr-code?data=https://devpulse.tools" --output qr.png

See the full API documentation for all endpoints and parameters.

Tech Stack

• Backend: Python 3.11+, FastAPI
• Server: Uvicorn (ASGI)
• Templating: Jinja2
• Database: SQLite (API key storage)
• QR Codes: qrcode + Pillow
• Frontend: Vanilla HTML/CSS/JS (no framework bloat)

Screenshots

Screenshots coming soon. Visit devpulse.tools to see it live.

Contributing

Contributions are welcome! Here's how:

1. Fork the repository
2. Create a feature branch: git checkout -b feature/my-new-tool
3. Make your changes and add tests if applicable
4. Commit: git commit -m "Add my-new-tool"
5. Push: git push origin feature/my-new-tool
6. Open a Pull Request

Ideas for contributions

• New developer tools
• UI/UX improvements
• API endpoint enhancements
• Documentation and examples
• Bug fixes

License

This project is licensed under the MIT License. See LICENSE for details.

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devpulse.tools — Built for developers, by developers.