All Tools

A complete collection of data format converters, visualizers, and utilities. All tools work client-side for maximum privacy.

Comprehensive Developer Toolset

DataFormatHub offers an extensive library of free, browser-based tools for developers. From converting XML to JSON to visualizing complex data structures and managing contact formats, our mission is to simplify data manipulation without compromising privacy.

Key Features

✓100% Client-Side: Your data never leaves your browser.
✓Fast & Responsive: Instant results with no server latency.
✓Offline Capable: Tools work even without an internet connection once loaded.
✓Open Source Spirit: Built for developers, by developers.

How It Works

1

Search or Browse

Use the global search bar or expand the categories above to find your tool.

2

Select a Tool

Click on any tool card to navigate to its dedicated page.

3

Bookmark

Bookmark this page (Ctrl+D) to have instant access to all utilities.

Common Use Cases

Legacy System Integration

Convert old XML or CSV exports into modern JSON for new APIs.

Contact Migration

Move contacts seamlessly between Outlook, Gmail, and iPhone.

Quick Debugging

Format ugly JSON responses or decode Base64 strings instantly.

100% Private & Secure

All processing happens directly in your browser. Your data never leaves your device — we don't upload, store, or have access to any of your content.

Instant & Offline-Ready

No server roundtrips means instant results. Once this page is loaded, the tool works even without an internet connection.

Frequently Asked Questions

Are these tools really free?▼

Yes, fully free and ad-supported.

Why are there so many tools?▼

We aim to cover every edge case in data formatting, so you never have to search for a random script again.