Corrupt an ISO File Online
Corrupt an ISO disc image online for free. Destroys the 32 KB system area and volume descriptors so the image cannot be mounted or burned.
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ISO dosyanızı bozun
.iso, .img, .cue için ayarlandı ve diğer tüm biçimlerde de aynı şekilde çalışır.
ISO dosyalarını düzgün bozmak neden zordur
An ISO 9660 image begins with a 32 KB system area, followed by volume descriptors at fixed offsets and path tables that map the directory tree. Because those offsets are fixed rather than pointer-driven, tools can often recover an image with scattered damage, the structures are exactly where they are expected to be.
Bu araç neyi yok eder
- The system area. The first 32 KB, which holds boot code on bootable images, is overwritten in full.
- Volume descriptors. The
CD001primary volume descriptor at offset 0x8001 and its terminator are destroyed. - UDF descriptors. The
BEA01,NSR02andNSR03markers used by UDF images are targeted too. - Path tables and payload. The directory structure is destroyed and entropy is scattered through the image body.
Sonrasında ne göreceksiniz
| Uygulama | Davranış |
|---|---|
| Windows mount | "Sorry, there was a problem mounting the file." |
| macOS DiskImageMounter | "No mountable file systems." |
| Rufus / balenaEtcher | Rejects the image as invalid before writing. |
mount -o loop | "wrong fs type, bad option, bad superblock." |
Bunu yapmanın yaygın nedenleri
- Testing that an OS deployment tool verifies images before writing.
- Verifying a download validates its checksum rather than trusting the file.
- Simulating a bad burn or interrupted download for a support runbook.
- Checking that a virtualisation platform reports a bad ISO clearly.
ISO dosyası nasıl bozulur
- .iso dosyanızı yukarıdaki kutuya bırakın veya seçmek için tıklayın.
- Kısmi hasar (Light) istemiyorsanız ya da kurtarma yazılımını alt etmeniz (Heavy) gerekmiyorsa seviyeyi Standard bırakın.
- Dosyayı boz düğmesine basın. İşlem cihazınızda yapılır, bu yüzden neredeyse anında biter.
- Sonucu indirin. Varsayılan olarak özgün dosya adını ve bayt uzunluğunu korur.
ISO hakkında sık sorulanlar
Why does the header region need to be so large?
Because ISO 9660 reserves the first 32 KB as a system area and only puts the primary volume descriptor at offset 0x8001. Anything smaller would leave the descriptor untouched.
Will a bootable ISO still boot?
No. The boot code lives in the system area, which is overwritten in full.
Does it work on hybrid ISO/UDF images?
Yes. Both the ISO 9660 and UDF descriptor sets are targeted, so hybrid images break completely.
Can a large ISO be handled in the browser?
Yes. Files are processed in 8 MB slices, so a multi-gigabyte image works without exhausting memory.