MDB to JSON Converter — Free Online Tool
Convert MDB files to JSON format online for free. Upload your .mdb file and get a clean .json result in seconds. No software to install, no account required.
Convert in Three Steps
The whole process takes under a minute, even for large files.
Upload your file
Drag and drop or click to browse. SQL, SQLite, CSV and JSON files up to 50 MB are accepted.
Pick your target
Select the output format. The source format is detected automatically from your file.
Download the result
Your converted file is ready in seconds. Import it directly into your database.
Every Syntax Difference Handled Automatically
JSON is the standard format for web APIs and modern data exchange. Converting MDB to JSON gives you structured data ready for web applications, REST APIs, and document databases like MongoDB.
Each table becomes a JSON array of objects, with column names as keys and all data rows preserved.
Related Conversions
Other conversions you might need alongside MDB to JSON.
Common Questions
An array of objects per table: [{"col":"val"}, ...].
Yes. SQL NULL becomes JSON null.
Up to 50 MB per file.
Ready to Convert Your MDB to JSON File?
Upload your file above and get a converted result in under a minute. No account, no cost, no catch.