BIN/CUE to ISO

Turn a BIN disc image with its CUE sheet into a plain ISO.

Drop your BIN and CUE here

Files are not sent anywhere: the conversion runs right in your browser. The CUE sheet names track types exactly, but we can work it out without one — the sector type is detected from the dump itself.

The tool converts a BIN disc image into a regular ISO image. The CUE sheet is read along with the image: it names the tracks and their type.

How BIN differs from ISO

A BIN file is a sector-by-sector copy of a disc. Each sector holds 2352 bytes, of which 2048 are useful data. The rest is taken up by the sync word, the header, and error correction codes. An ISO image keeps only the useful part, so conversion comes down to cutting the middle out of every sector.

This is where the size difference comes from: a 700 MB image weighs about 610 MB after conversion. Nothing is lost in the process. The service bytes were needed by the disc drive, not by the files.

Video CD

Video on such discs is written in mode 2 sectors, which hold 2324 useful bytes, while an ISO image fits 2048. The file system in the finished image stays readable; the video files themselves do not. The tool counts these sectors and tells you about it.

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