CPIO Extractor • Online • Free

Extract CPIO Archives

Extract Unix CPIO archives without uploading. Fast, secure, and runs entirely in your browser.

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Up to 2 GB

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Drop your CPIO archive here

We extract everything directly in your browser. For multipart archives, select all parts.

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Frequently Asked Questions

What is a CPIO file?

CPIO (Copy In, Copy Out) is a Unix archive format used for creating archives of files and directories. It's commonly used in initramfs images, RPM packages, and backup systems.

Where are CPIO archives used?

CPIO archives are used in Linux initial RAM filesystems (initramfs), RPM package internals, system backups and recovery, software distribution, and build systems. They're essential for Linux boot processes.

What CPIO formats are supported?

Our extractor supports various CPIO formats including binary, old ASCII, new ASCII (SVR4), and CRC formats. It can handle both compressed and uncompressed CPIO archives.

Can I extract initramfs files?

Yes! Initramfs files are typically CPIO archives, sometimes compressed with gzip. Our extractor can handle these files, allowing you to examine boot filesystem contents.

Extract CPIO Archives

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