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JSON to BSON Converter

World's simplest json tool
Free online JSON to BSON converter. Just load your JSON in the input field and it will automatically get converted to BSON. In the tool options, you can set the extension of the downloaded file. By default, it is ".bson" but you can replace it with a custom one. Created for developers by developers from team Browserling.
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BSON Extension
File extension (when downloading).

What is a JSON to BSON Converter?

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This tool converts JSON (JavaScript Object Notation) to BSON (Binary JSON). JSON and BSON are data formats used to exchange information between applications. JSON is a human-readable text format and it's popular in web development, APIs, and modern databases. However, when transferring large amounts of data, JSON can be very inefficient because of the large amount of whitespace indentation characters that need to be transmitted, as well as curly braces and other syntactic JSON characters. BSON, on the other hand, is a binary representation of JSON data, making it much more compact and efficient for storing and transmitting data. Converting JSON to BSON significantly reduces the amount of data transmitted and speeds up its parsing. Once you load your JSON file in the input area, you'll see a hex dump of the BSON file in the output area. Click the "Save as" button to download the binary file. By default, the output BSON file has the ".bson" extension but you can change it to another in the options. Other common BSON extensions are ".bjson" and ".bin". If you need to convert a machine-readable BSON file back to a human-readable JSON file, you can use our Convert BSON to JSON tool. Json-abulous!

JSON to BSON Converter examples

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Convert JSON to Binary JSON
In this example, we convert a simple JSON object with two key-value pairs ("substance": "water" and "formula": "H2O") into a binary representation using the BSON format (Binary JSON). The output BSON is printed as hexadecimal bytes in the output and can be downloaded as a binary file with the extension ".bson" via the "Save As" button.
{ "substance": "water", "formula": "H2O" }
0x2b 0x00 0x00 0x00 0x02 0x73 0x75 0x62 0x73 0x74 0x61 0x6e 0x63 0x65 0x00 0x06 0x00 0x00 0x00 0x77 0x61 0x74 0x65 0x72 0x00 0x02 0x66 0x6f 0x72 0x6d 0x75 0x6c 0x61 0x00 0x04 0x00 0x00 0x00 0x48 0x32 0x4f 0x00 0x00
Required options
These options will be used automatically if you select this example.
File extension (when downloading).
Convert a JSON Array to a BSON Array
In this example, we convert a JSON array containing three types of coffee beans into binary BSON format. After the conversion, we change the BSON file extension to a custom one ".bin", which is well-suited for use with MongoDB databases.
["Arabica", "Robusta", "Liberica"]
0x33 0x00 0x00 0x00 0x02 0x30 0x00 0x08 0x00 0x00 0x00 0x41 0x72 0x61 0x62 0x69 0x63 0x61 0x00 0x02 0x31 0x00 0x08 0x00 0x00 0x00 0x52 0x6f 0x62 0x75 0x73 0x74 0x61 0x00 0x02 0x32 0x00 0x09 0x00 0x00 0x00 0x4c 0x69 0x62 0x65 0x72 0x69 0x63 0x61 0x00 0x00
Required options
These options will be used automatically if you select this example.
File extension (when downloading).
Convert Nested JSON Objects to BJSON
In this example, we load a more complex JSON object containing nested structures. As you can see, in the textual representation of JSON, larger and more complex objects can lead to inefficiencies as they contain a lot of whitespace characters that are used for indentation. However, converting such data to the BJSON format significantly reduces the size as the whitespace characters are omitted. The output data is represented as hex bytes but the binary file itself has the extension ".bjson".
{ "browsers": [ "internet explorer", "edge", "firefox", "safari", "opera", "chrome" ], "versions": [ 6, 7, 8, 9, 10 ] }
0xa3 0x00 0x00 0x00 0x04 0x62 0x72 0x6f 0x77 0x73 0x65 0x72 0x73 0x00 0x62 0x00 0x00 0x00 0x02 0x30 0x00 0x12 0x00 0x00 0x00 0x69 0x6e 0x74 0x65 0x72 0x6e 0x65 0x74 0x20 0x65 0x78 0x70 0x6c 0x6f 0x72 0x65 0x72 0x00 0x02 0x31 0x00 0x05 0x00 0x00 0x00 0x65 0x64 0x67 0x65 0x00 0x02 0x32 0x00 0x08 0x00 0x00 0x00 0x66 0x69 0x72 0x65 0x66 0x6f 0x78 0x00 0x02 0x33 0x00 0x07 0x00 0x00 0x00 0x73 0x61 0x66 0x61 0x72 0x69 0x00 0x02 0x34 0x00 0x06 0x00 0x00 0x00 0x6f 0x70 0x65 0x72 0x61 0x00 0x02 0x35 0x00 0x07 0x00 0x00 0x00 0x63 0x68 0x72 0x6f 0x6d 0x65 0x00 0x00 0x04 0x76 0x65 0x72 0x73 0x69 0x6f 0x6e 0x73 0x00 0x28 0x00 0x00 0x00 0x10 0x30 0x00 0x06 0x00 0x00 0x00 0x10 0x31 0x00 0x07 0x00 0x00 0x00 0x10 0x32 0x00 0x08 0x00 0x00 0x00 0x10 0x33 0x00 0x09 0x00 0x00 0x00 0x10 0x34 0x00 0x0a 0x00 0x00 0x00 0x00 0x00
Required options
These options will be used automatically if you select this example.
File extension (when downloading).
Pro tips Master online json tools
You can pass input to this tool via ?input query argument and it will automatically compute output. Here's how to type it in your browser's address bar. Click to try!
https://onlinejsontools.com/convert-json-to-bson?input=%7B%0A%20%20%22substance%22%3A%20%22water%22%2C%0A%20%20%22formula%22%3A%20%22H2O%22%0A%7D&extension=.bson
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