BSON / JSON (Browser Only)

Convert BSON to JSON and back entirely in your browser.

Runs locally; no data is uploaded.

Decode

Upload a .bson file or paste BSON bytes as Hex (supports 0x tokens) or Base64.

BSON input

JSON output

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Encode

Paste JSON and encode to BSON bytes. Display as Hex or Base64 and download as .bson.

JSON input

BSON output (text)

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