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How much data fits on a Blu-ray?
A Blu-ray holds 25 GB single-layer, 50 GB dual-layer, and up to 100 GB on BD-R XL discs.
Every other burner is a program you install. cdBurner isn't: it runs in your browser with one tiny background helper, and it's free. Open the burner →
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Why cdBurner is different
Every other burner is a program you install. cdBurner isn't: it runs in your browser with one tiny background helper, and it's free.
- 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.