Vertopal — Free Online Converter
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Convert OTB to CAL

Convert OTB pictures to CAL format, edit and optimize pictures online and free.

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Over The Air Bitmap Image (.otb)

OTB Converter

Continuous Acquisition and Life-cycle Support Type 1 Image (.cal)

CAL Converter

How to convert OTB to CAL?

1Upload OTB File

Start uploading a OTB picture by clicking the Choose File button or drag & dropping your OTB file.

2Select OTB Tools

For an advanced conversion, use the OTB to CAL optional tools available on the preview page and click the Convert button.

3Download Your CAL

You will be redirected to the download page to see the conversion status and download your CAL file.

Convert OTB to CAL

Frequently Asked Questions

How to change OTB format to CAL?

To change OTB format to CAL, upload your OTB file to proceed to the preview page. Use any available tools if you want to edit and manipulate your OTB file. Click on the convert button and wait for the convert to complete. Download the converted CAL file afterward.

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