Webswisstools

All-in-One Developer Utilities

A powerful and easy-to-use online platform that offers a wide range of developer tools in one place. Whether you're a web developer, backend engineer, or QA tester, our collection of formatters, encoders, testing APIs, and technical references helps you work faster and smarter — without installing anything.

Key Features & Utilities

  • JSON Formatter: Beautify and validate your JSON data instantly.
  • XML & YAML Formatter: Tidy up your XML and YAML files for better readability and debugging.
  • Base64 Encode/Decode: Convert text to and from Base64 effortlessly.
  • Dummy APIs: Instantly test API success or error responses for integration testing.
  • HTML/CSS Formatter: Clean up your frontend code with one click.
  • Technical Cheatsheets: Quick-reference guides for Git, Docker, Linux, Regex, and more.
  • Text Tools: Case converter, slug generator, line sorter, whitespace remover, and more.

Why Choose Webswisstools?

  • 100% Free & Ad-Supported: All tools are completely free to use, supported by minimal ads.
  • Fast & Lightweight: No login, no tracking — just tools that work.
  • Mobile & Desktop Friendly: Fully responsive design for any device.
  • Secure: No data is stored or tracked. Your input stays in your browser.
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Our Developer Tools

JSON Formatter

Beautify and validate JSON data instantly.

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XML Formatter

Format XML data for clean and readable structure.

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YAML Formatter

Easily beautify and check YAML formatting issues.

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Contact Us

Have feedback, feature requests, or just want to say hi? We'd love to hear from you!