WBFS to ISO Converter

Converts WBFS disk images into individual ISO files, targeting Wii backup archivists, retro gamers, and emulator users who need standard ISO formats.

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< 15ms

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About This Tool

This tool accepts a WBFS image containing multiple discs and outputs one ISO per disc. It reads the WBFS index, validates headers, and extracts disc data into ISO 9660 images with optional Joliet extensions. Data is written to the specified output directory, enabling straightforward use with emulators and burning tools.
Conceptual workflow: WBFS is a container of concatenated disc images. The converter uses the WBFS table to map each disc to a data region, streams data blocks, and reconstructs a standard ISO. Optional integrity checks compute checksums and verify sizes to detect corruption. Outputs include per-disc ISO files and a report detailing successes and failures.
Audience and use cases: retro game archivists, emulator developers, and enthusiasts needing interoperable ISOs for Dolphin, PCSX2, Cemu, and similar platforms. The tool supports batch processing for libraries containing hundreds of discs and provides deterministic naming for repeatable workflows.
Core features and differentiators: per-disc ISO output, batch mode, optional data integrity verification, deterministic naming, robust error handling for corrupted discs, memory-efficient streaming, and cross-platform compatibility.

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How to Use

Provide inputs: WBFS image path and output directory.
Optionally enable integrity verification and choose naming scheme.
Run conversion to generate an ISO file for each disc contained in the WBFS.
Review per-disc logs and confirm output sizes match expected.
Use the resulting ISOs with emulators or burning tools.

Frequently Asked Questions

Find Quick Answers

What is WBFS and ISO in this context?

WBFS is a container format used for Wii backups; ISO is a standard disc image format. This tool converts each WBFS disc to a standalone ISO file suitable for emulator mounting or burning. Content is preserved without modification.

Will I get multiple ISO files from a single WBFS image?

Yes. Each disc stored in the WBFS file is extracted to its own ISO file in the output directory, allowing independent use in emulators and archiving workflows.

What happens if a disc inside WBFS is corrupted?

The tool logs the disc as failed, optionally skips it, and continues with remaining discs. If integrity verification is enabled, corrupted blocks are reported with checksums and disc sizes.

What ISO formats are produced?

Produced images are standard ISO 9660 discs, with optional Joliet extensions. No content modification occurs; the result is widely compatible with common emulators and disc tools.

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