JSON CER

Convert JSON to CER

Free online converter — change .json files into .cer format instantly. Drag, drop, convert, download.

Drop your .json file here

or click to browse · max 100MB

🔒 Your file is processed in your browser where possible.

How to convert JSON to CER

  1. 1 Upload your .json file using the dropzone above.
  2. 2 Click "Convert to CER" and watch the progress bar.
  3. 3 Once complete, click Download to save your new .cer file.