About DevTools Hub

DevTools Hub is a collection of free, fast, and privacy-friendly developer tools that run entirely in your browser. No sign-up, no data collection, no limits.

Why DevTools Hub?

• 100% client-side: Your data never leaves your browser. All processing happens locally.
• No sign-up required: Just open a tool and start using it. No accounts, no emails, no paywalls.
• Fast and lightweight: Built with performance in mind. No bloated frameworks, no unnecessary JavaScript.
• Free forever: All tools are and will remain free to use.

Available Tools

• JSON Formatter & Validator — Format, validate, and beautify JSON data online.
• Base64 Encode & Decode — Encode and decode Base64 strings online.
• URL Encode & Decode — Encode and decode URL strings online.
• JSON to YAML Converter — Convert between JSON and YAML formats online.
• Regex Tester — Test and debug regular expressions online.
• Hash Generator — Generate MD5, SHA-1, SHA-256, and SHA-512 hashes online.
• Color Converter — Convert colors between HEX, RGB, and HSL formats.
• CSS Gradient Generator — Create CSS linear and radial gradients visually.
• .gitignore Generator — Generate .gitignore files by selecting your tech stack.
• Lorem Ipsum Generator — Generate Lorem Ipsum placeholder text.
• Password Generator — Generate strong random passwords online.
• SQL Formatter — Format and beautify SQL queries online.
• HTML Entities Encoder — Encode and decode HTML entities online.
• Markdown Preview — Preview Markdown rendered as HTML in real time.
• JWT Decoder — Decode and inspect JSON Web Tokens online.
• QR Code Generator — Generate QR codes from text or URLs online.

Built With

DevTools Hub is built with Next.js, TypeScript, and Tailwind CSS. It is statically generated for maximum performance and deployed on Vercel.

Contact

Have feedback, a bug report, or a tool suggestion? Reach out at devtoolshub@proton.me.