Developer Tools
Essential utilities for developers — JSON formatting, encoding/decoding, regex testing, color conversion, and more.
JSON Formatter
Format, validate, and prettify your JSON data.
Markdown Preview
Live preview and edit markdown content.
Base64 Encoder
Encode and decode Base64 strings.
Regex Tester
Test regular expressions in real-time.
Color Converter
Convert between HEX, RGB, HSL, and more.
UUID Generator
Generate random UUIDs (v4) instantly.
📄 JSON Formatter & Validator
JSON Formatter & Validator
Format, beautify, validate, and minify your JSON data instantly with safe client-side parsing.
Save Configuration Snapshot
Save current parameters to your dashboard for instant one-click reloading.
About This Calculator & Guide
About the Dev Tools Calculator
The Dev Tools Calculator is a specialized online utility designed to help you developer utilities including json formatter, base64 encoder, regex tester, and color converter. It performs calculations in real-time to provide immediate, reliable estimates for study, work, or daily tasks.
How to Use
Simply enter your parameters in the input fields of the calculator widget above. The tool evaluates the inputs instantly and displays the results in real-time. You can modify any value to check alternate scenarios and compare figures dynamically.
Data Privacy & Safety
All calculations are executed locally within your web browser. No inputs are sent to our servers or stored externally, ensuring your personal and financial details remain completely private and secure.
FAQ
Frequently Asked Questions
What does the Dev Tools do?+
Developer utilities including JSON formatter, Base64 encoder, regex tester, and color converter It is designed for quick everyday use and gives clear results without requiring a sign in.
Is the Dev Tools free to use?+
Yes. The Dev Tools is free to use online and works directly in your browser.
Can I use the Dev Tools on mobile?+
Yes. The calculator layout is responsive, so you can use it on phones, tablets, laptops, and desktop screens.