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How to make a disc image
A disc image is a single file holding everything a disc would. cdBurner builds an ISO from your files (or rips an existing disc) that you can store or burn later.
Step by step
Connect the burn agent
Open onlinecdburner.com and connect the burn agent.
Add your files
Choose the files or folder you want in the image.
Choose “Save as ISO”
cdBurner builds a standard ISO 9660/UDF image — no disc required.
Download
Keep the ISO as a backup or burn it to a disc later.
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Why cdBurner is different
cdBurner reinvents disc burning: a clean web app that drives the optical drive on your own machine. Nothing else works this way.
- 100% free — no trial, no watermark, no nag screens.
- Private — files are written locally and never uploaded to a server.
- No bloatware — one small signed helper, not a heavy install.
- Built on Windows' native IMAPI2 engine, so your discs read everywhere.