10 Developer Tools Every Coder Needs in Their Toolkit

Every developer builds up a collection of go-to tools over time. Here are ten essential online tools that deserve a permanent spot in your toolkit.

1. JSON Formatter & Validator

Format, validate, and beautify JSON data in seconds. Try our JSON Formatter.

2. Base64 Encoder/Decoder

Quickly encode or decode Base64 strings for data transmission. Use the Base64 Encoder.

3. UUID Generator

Generate unique identifiers for database records, API keys, and more. Try the UUID Generator.

4. CSS Minifier

Reduce CSS file size by removing whitespace and comments. Use our CSS Minifier.

5. JavaScript Formatter

Beautify minified or messy JavaScript code. Try the JavaScript Formatter.

6. HTML Previewer

Write HTML and see the rendered result in real-time. Use the HTML Previewer.

All these tools and more are available for free on Tool-web.