bchunk
bchunk: A focused, free utility for converting BIN/CUE and RAW/CUE images on Linux and macOS. Ranked #30 of 32 in ISO Creation Software by our editors (6.2/10); pricing: Free plan; best for BIN/CUE-to-ISO conversion.
At a glance
- Editor score6.2 / 10
- PricingFree plan
- Best forBIN/CUE-to-ISO conversion
- Free planYes
- Paid fromFree
- Facts checked20 Sep 2026
Where it wins
- Converts BIN/CUE and RAW/CUE images into ISO and CDR tracks
- Supports PlayStation and raw MODE2/2352 extraction modes
- Writes audio tracks as WAV files with optional byte-order swapping
Where it doesn't
- Uses a command-line Unix/C workflow rather than a graphical interface
- Focused on optical-disc image conversion rather than broader image management
- Platform support is centered on Linux and macOS
Our verdict on bchunk
bchunk, also known as BinChunker, is a free, open-source Unix/C command-line utility for converting BIN/CUE and RAW/CUE CD images into ISO data tracks and CDR audio tracks. It is designed for users who need local optical-disc image processing on Linux or macOS, especially when a focused conversion tool is more suitable than a broader disc-image application. The GNU GPL distribution also makes it appropriate for users who value inspectable, freely available software.
Its main strength is specialist conversion coverage. bchunk can write audio tracks as WAV files, handle MODE2/2352 ISO data tracks, and provide both PlayStation extraction and raw MODE2/2352 extraction for MPEG/VCD data. It can also swap the byte order in audio samples. These options make the utility relevant to archival, compatibility, and format-conversion workflows involving mixed data and audio tracks. The narrow feature set keeps the product centered on BIN/CUE and RAW/CUE processing rather than general-purpose disc-image management.
The trade-off is the command-line operating model. Users must be comfortable working with a Unix/C utility instead of a graphical application, and the published platform details center on Linux and macOS. That makes bchunk a strong choice for technically oriented users who need precise BIN/CUE-to-ISO conversion, PlayStation extraction, or audio-track output. Users seeking a graphical workflow or a wider set of disc-image management features should choose a different category tool.
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bchunk pricing
bchunk fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Disc burning | Not verified |
| Image editing | Not verified |
| Image conversion | Yes |
| Bootable media | Not verified |
| Image formats | BIN/CUE, RAW/CUE, ISO, CDR |
| Operating systems | Cross-platform |
| Checksum verification | Not verified |
| Deployment | Self-hosted |
| Platforms | Linux, macOS |
| Support | Docs |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | github.com |
| Facts checked | 20 Sep 2026 |
Alternatives to bchunk
- Open Burning SuiteA broad, free toolkit for creating, converting, burning, and verifying disc images.9.4
- Disc StudioA broad free ISO utility for Windows users who need local image and boot-media control.9.2
- AnyBurnA broad free Windows toolkit for ISO creation, editing, conversion, and burning.9.0
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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