Browse all tools in the Web Developer Tools category.
Test API endpoints and view JSON responses with formatted highlighting.
Save and organize your reusable code snippets locally in your browser.
Check the HTTP status code and response of any website URL.
Format SQL queries with keywords in uppercase and proper alignment.
Decode JSON Web Tokens (JWT) to see header and payload data.
Write Markdown and see the rendered HTML preview in real-time.
Live preview of your HTML, CSS, and JS code in a dedicated frame.
Interactive editor to quickly test and visualize CSS properties.
Experiment with JavaScript code snippets and see console outputs.
Generate temporary endpoints to test incoming webhooks (Simulation).
Verify your HTML code for structural errors and unclosed tags.
Test your Regular Expressions against strings with real-time highlighting.
Encode your text or data into Base64 format.
Decode Base64 strings back to original text.
Safely encode URLs to be used in web addresses.
Convert encoded URLs back to a readable format.
Extract information like browser, OS, and device from a User Agent string.
Compare two pieces of code and find the differences between them.
Clean and beautify your HTML code with proper indentation and styling.
Format your CSS code to make it readable and organized.
Beautify JavaScript code with proper spacing and line breaks.
Compress HTML code by removing whitespace, comments, and line breaks.
Reduce CSS file size by removing all unnecessary characters.
Compress JavaScript code for faster loading and better performance.
Validate and format JSON strings with customizable indentation.
Check if your JSON data is valid and find syntax errors.
Pretty print XML code with nested indentation.
Check the syntax and validity of your XML documents.