Free Online Developer Tools

JSON, code, hashes and more

Free online tools, calculators and utilities to make your work, study and daily life easier. No sign up. No hassle.

Free Forever

No Registration

Mobile Friendly

Always Adding New Tools

Base64 Encoder/Decoder

Encode UTF-8 text or decode standard Base64 into UTF-8 text

JSON Formatter

Validate and format JSON locally

Unix Timestamp Converter

Convert a Unix timestamp or a UTC date and time

URL Encoder/Decoder

Encode or decode a URL component, such as one query parameter value

UUID Generator

Generate random UUIDs using the cryptographic random number generator

Free Forever

No Registration

Mobile Friendly

Always Adding New Tools

Free Online Developer Tools

WebToola provides a growing collection of free online developer tools for common coding, data and web development tasks. Quickly format JSON, encode or decode data, work with Unix timestamps, generate UUIDs and more—all directly from your web browser.

These tools are designed for developers, programmers, testers, students and anyone who needs a quick utility without installing additional software or setting up a development environment.

Useful Tools for Coding, Data and Development

Working with structured data? The JSON Formatter helps you validate and format JSON into a clean, readable structure, making it easier to inspect data, debug API responses and work with configuration files.

The Base64 Encoder/Decoder lets you encode UTF-8 text as Base64 or decode Base64 data back into readable text. For URLs and query parameters, the URL Encoder/Decoder makes it easy to encode or decode URL components when working with web applications, APIs and links.

Need to work with dates in code or databases? The Unix Timestamp Converter converts Unix timestamps into human-readable UTC dates and times. The UUID Generator creates random UUIDs using your browser’s cryptographically secure random number generator.

Why Use WebToola Developer Tools?

WebToola developer tools are designed to be fast, simple and convenient. There’s no registration required and no dedicated software to install. Open the tool you need, provide your input and get the result.

We’re continually expanding the collection with practical browser-based utilities for development, debugging, testing and everyday technical tasks.

Frequently Asked Questions

Are WebToola developer tools free to use?

Yes. WebToola’s online developer tools are free to use, with no registration required.

What developer tools are available?

WebToola currently provides tools for formatting JSON, Base64 encoding and decoding, URL encoding and decoding, converting Unix timestamps and generating UUIDs. More developer utilities will be added over time.

Do I need to install anything?

No. WebToola developer tools work directly in your web browser, so there’s no dedicated software to install.

Who are these developer tools for?

The tools are useful for software developers, web developers, testers, students and anyone working with code, APIs, URLs or structured data.