I built 23 free developer tools in one place — here's what's inside

I got tired of jumping between 10 different tabs to format JSON, decode a JWT, or generate a QR code. So I built DevToolsHub.

What it does

23 free developer utilities in one place — no login, no signup,
no data stored. Just paste and go.

Tools available

• JSON Formatter + JSON Diff
• JWT Decoder
• Regex Tester with live highlighting
• Base64 Encoder/Decoder
• Password Generator
• Hash Generator (MD5, SHA-1, SHA-256, SHA-512)
• QR Code Generator
• Color Converter (HEX/RGB/HSL)
• Timestamp Converter
• URL Encoder & URL Parser
• HTML & CSS Minifier
• HTML Entity Encoder
• Text Compare
• Text Case Converter
• Word Counter
• Number Base Converter
• Lorem Ipsum Generator
• Unix Permissions Calculator
• Cron Expression Generator
• Image ↔ Base64
• Markdown Preview
• SQL Formatter
• JSON to C# Model

Tech stack

Blazor Server · ASP.NET Core · MudBlazor · Monaco Editor · Azure

Try it

👉 www.devtoolshub.info
Feedback and suggestions welcome — drop a comment or email me at [e-mail]
This is my first web application I have developed and deployed.

If it saves you time:
☕ buymeacoffee.com/pankajkumarr