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How to Convert BSON to JSON - Step by Step Guide

Step 1

Input Your BSON Data

Let's decode your BSON data! Whether you're debugging MongoDB exports, analyzing database dumps, or converting for API integration, you have several convenient options:

•
Paste directly: Copy your BSON data in Base64 or Hex format from mongodump exports or MongoDB drivers
•
Upload a file: Click "Upload" to select a .bson or .bin file from your computer
•
Try the sample: Click "Sample" to load example BSON and see the JSON conversion

Example: BSON Input (Base64)

Here's what encoded BSON data looks like:

VgAAAAJjdXN0b21lcklkAA0AAABDVVNULTEyMzQ1AAJwaG9uZU51bWJlcgAPAAAAKzE1NTUtMTIzNDU2NwACcGxhblR5cGUADgAAAFVubGltaXRlZCA1RwAQZGF0YVVzYWdlR0IALQAAAAhpc0FjdGl2ZQABAAA=
Step 2

Automatic Decoding & Analysis

The magic happens instantly! As soon as you input BSON data, the converter automatically:

•
Decodes binary format: Converts BSON to readable JSON while preserving all data
•
Preserves MongoDB types: Maintains ObjectId, Date, Binary, and other MongoDB-specific data types
•
Validates structure: Ensures BSON is well-formed and reports any integrity issues

Example: Decoded JSON Output

The same BSON, now decoded as readable JSON:

{
  "customerId": "CUST-12345",
  "phoneNumber": "+1555-1234567",
  "planType": "Unlimited 5G",
  "dataUsageGB": 45,
  "isActive": true
}
Step 3

Export Your JSON Data

Get your decoded JSON ready for use! Multiple export options make integration seamless:

•
Copy to clipboard: One-click copying for quick pasting into applications, APIs, or documentation
•
Download as JSON: Save as a .json file for debugging, data analysis, or sharing with your team
•
Ready for integration: Use decoded JSON in any application, migrate to other databases, or analyze with data tools

Frequently Asked Questions

How do I convert BSON from MongoDB to JSON?

Simply paste your BSON data in Base64 or Hex format into the converter, or upload a .bson file from mongodump. The tool automatically decodes it to readable JSON, preserving all MongoDB-specific data types.

What happens to MongoDB ObjectIds and Dates?

MongoDB ObjectIds are converted to their 24-character hexadecimal string representation (e.g., {"$oid": "..."}) and Dates are converted to ISO 8601 format (e.g., {"$date": "..."}), preserving their values in Extended JSON format.

Can I get BSON data from MongoDB for conversion?

Yes! Use mongodump to export BSON files from your MongoDB database, or use MongoDB drivers in your application to serialize documents to BSON format, then paste the encoded data into the converter.

Is the BSON to JSON conversion lossy?

No! The conversion is lossless - all MongoDB-specific data types are preserved in Extended JSON (EJSON) format. You can convert the JSON back to BSON without losing any information or type data.

Can I use the JSON output with other databases?

Yes! The decoded JSON can be used with any database or application that supports JSON. MongoDB-specific types are represented in Extended JSON format, which can be easily parsed or converted to native types for other systems.

Is the BSON to JSON converter free?

Yes, completely free with unlimited conversions. No registration required, and all conversion happens in your browser for maximum privacy and security. You can convert as many BSON files as needed.