We're excited to announce that DevToys New Tab is now available as browser extensions! Transform your browser's new tab into a powerful developer tools hub, bringing essential dev tools extension capabilities right to your fingertips. No more searching for online converters and formatters — everything you need is just one new tab away.

Quick Start Guide

1. Install the extension from your browser's store
2. Open a new tab OR click the extension icon for a popup view
3. Use the search box to search the web with your default search engine
4. Select your tool from the sidebar
5. Start working immediately

Two Ways to Access

• New Tab — Opens automatically when you open a new tab
• Popup — Click the extension icon for quick access without opening a new tab

Search Box

The new tab page includes a convenient search box that uses your browser's default search engine via the Chrome Search API. This respects your existing search preferences — we don't override or change your search settings. Your search experience stays exactly as you've configured it.

10 Reasons to Choose DevToys New Tab

1. JSON formatter with syntax highlighting and validation
2. Base64 encoder decoder for quick text transformations
3. Hash generator supporting MD5, SHA-1, SHA-256, SHA-512
4. UUID generator for creating unique identifiers instantly
5. JWT decoder to inspect and debug JSON Web Tokens
6. URL encoder decoder for handling web addresses
7. Number base converter between binary, decimal, hex, octal
8. HTML encoder for escaping special characters
9. YAML converter to transform JSON to YAML and back
10. Diff tool for comparing text differences side by side

Why Developers Love This Extension

• All developer utilities accessible from new tab page
• No internet required — works completely offline
• Clean, modern interface designed for productivity
• Fast loading — tools ready in milliseconds
• Privacy focused — your data never leaves your browser

Powerful JSON Formatter

• Format and beautify JSON with one click
• Validate JSON syntax instantly
• Minify JSON for production use
• Syntax highlighting for easy reading
• Error detection with line numbers

The JSON formatter in DevToys New Tab makes working with API responses and configuration files effortless. Whether you need to debug a complex nested object or simply prettify minified JSON, this code formatter handles it all.

Encoding and Decoding Tools

• Base64 encoder decoder — Convert text to Base64 and back
• URL encoder decoder — Handle special characters in URLs
• HTML encoder — Escape HTML entities safely
• Text converter — Transform case and format

These encoding decoding tools are essential for web developer tools workflows. The Base64 encoder decoder supports both standard and URL-safe encoding variants.

Hash Generator Features

• Generate MD5 hashes for checksums
• Create SHA-1 hashes for legacy systems
• Use SHA-256 for secure hashing
• SHA-512 for maximum security
• Copy results with one click

The hash generator in this dev tools extension supports all common hashing algorithms used in modern development.

UUID Generator Capabilities

• Generate UUID v4 (random)
• Bulk generation support
• Copy to clipboard instantly
• Clean, formatted output

Need unique identifiers? The UUID generator creates RFC-compliant UUIDs perfect for database keys, session tokens, and more.

JWT Decoder Functionality

• Decode JWT tokens instantly
• View header, payload, and signature
• Validate token structure
• Check expiration dates
• Debug authentication issues

The JWT decoder helps developers inspect JSON Web Tokens without external websites. This programming utilities feature is invaluable for debugging authentication flows.

YAML Converter and More

• Convert JSON to YAML seamlessly
• Transform YAML back to JSON
• Preserve data structure integrity
• Handle complex nested objects

The YAML converter bridges configuration formats used in modern DevOps workflows. Combined with other developer tools new tab features, you have everything needed for daily development tasks.

Diff Tool for Comparisons

Compare two texts side by side with the built-in diff tool. Identify additions, deletions, and modifications at a glance. Perfect for code reviews, configuration changes, and document comparisons.

Number Base Converter

Convert numbers between:

• Binary (base 2)
• Octal (base 8)
• Decimal (base 10)
• Hexadecimal (base 16)

The number base converter handles conversions instantly, making it easy to work with different numeral systems in programming.

Frequently Asked Questions

Does the extension work offline?

Yes! All developer utilities work completely offline. Your data stays in your browser.

Is my data secure?

Absolutely. DevToys New Tab processes everything locally. No data is sent to external servers.

Which browsers are supported?

The extension works on Chrome, Firefox, and Microsoft Edge. All Chromium-based browsers like Brave are also supported.

Can I use multiple tools at once?

Yes! Switch between tools instantly using the sidebar navigation.

How do I access the tools?

Two ways: Open a new tab (loads automatically) OR click the extension icon for a popup view.

Is the JSON formatter accurate?

Yes, the JSON formatter validates syntax and provides detailed error messages for invalid JSON.

Does the search box change my default search engine?

No! The search box uses the Chrome Search API to respect your browser's default search engine settings. We never override or change your search preferences.

Perfect For

• Frontend and backend developers
• DevOps engineers working with configurations
• API developers debugging responses
• Security professionals analyzing tokens
• Anyone who needs quick text transformations