I Tired of Trying to Read API Responses, So We Built This Free Tool

The Struggle is Real 😫

If you are a frontend, backend, or data engineer, you know this pain:

You get a massive API response. It’s 2MB of minified text. You paste it into an online formatter, but you still can't find that one specific ID. Or worse, you need to access a nested property like data.users[4].attributes.marketing.status, and you have to manually type out that path in your IDE, hoping you didn't make a typo.

console.log(JSON.stringify(data, null, 2)) only gets you so far before your terminal explodes.

So, We Built a Solution 🛠️

My team and I decided to fix this workflow. We built bigjson.online.

It is a free, web-based tool designed specifically for handling large JSON files, debugging API responses, and making data readable.

Killer Features 🚀

Here is why this is better than just pasting into a text editor:

1. The Tree View & Search 🔍

As you can see in the screenshot above, we parse your JSON into an interactive Tree. But the real magic is the Search. You don't just "Find" text. We built specific filters:

• Search by Key: Find specific field names (e.g., questionId).
• Search by Value: Find specific data points (e.g., that missing value 5).
• Context: It highlights exactly where the data lives in the hierarchy.

2. "Copy Path" (My Favorite Feature) 📋

This was the main reason we built it. When you drill down into a nested object in the Tree View, you can simply click to copy the path.

Instead of manually typing:
response.data.results[0].deeply.nested.value

You just click the value in bigjson.online, paste it into VS Code, and you're done. It saves so many "undefined is not a function" errors.

3. Compare Mode ⚖️

Debugging a breaking behavior? Paste the "Old" JSON response and the "New" one side-by-side. We highlight exactly what changed so you don't have to play "spot the difference" by eye.

Try It Out!

It is live right now. It handles massive files, it's free, and frankly, I think the Dark Mode looks pretty slick.

👉 https://www.bigjson.online

We Want Your Feedback!

This is our first major release and engagement has been awesome so far. But we built this for devs, so we need devs to tell us how to make it better.

• Does it handle your massive 10MB logs?
• Is the search fast enough?
• What feature is missing?

Let me know in the comments below! 👇

Happy Debugging! 💻
Contact me: [e-mail]