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Convert CAB to 7Z

Convert CAB archives to 7Z in one step: the archive is extracted and re-packed inside your browser. 7Z gives the smallest file size and strong AES-256 encryption.

  • No upload — 100% private
  • Fast, lossless when possible
  • Free & unlimited
  • Works on iPhone & Android
    Compression

    How to convert CAB to 7Z

    1. 1

      Tap Choose archive and pick your CAB file.

    2. 2

      Check that 7Z is selected and choose the compression level.

    3. 3

      Press Convert archive. Enter the password if the original is protected.

    4. 4

      The 7Z downloads automatically.

    CAB vs 7Z

    CAB7Z
    Full nameWindows Cabinet7-Zip archive
    Can create hereExtract onlyYes
    Developed byMicrosoftIgor Pavlov
    Introduced19961999
    Opens on iPhone✕ Needs an app (or this site)✕ Needs an app (or this site)
    Opens on Android✕ Needs an app (or this site)✕ Needs an app (or this site)
    Opens on Windows✓ Built in◐ Newer versions only
    Opens on Mac✕ Needs an app (or this site)✕ Needs an app (or this site)

    CAB: CAB is Microsoft's cabinet archive used by Windows installers, drivers and updates.

    7Z: 7Z is the 7-Zip archive format. Its LZMA2 compression usually makes files 10–40% smaller than ZIP, and it supports strong AES-256 encryption including encrypted file names.

    Frequently asked questions

    Will my files change when converting CAB to 7Z?
    No. Archive formats are lossless, so every file is restored bit for bit and packed again.
    My CAB is password-protected — can I convert it?
    Yes. Enter the password when asked. You can also set a new password on the output (ZIP and 7Z).
    Is there a size limit?
    No fixed limit. It depends on your device's memory: several GB on computers, a few hundred MB on phones.
    Are my files uploaded?
    No. Everything runs in your browser with 7-Zip compiled to WebAssembly.

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    Convert CAB to other formats

    CAB to ZIPCAB to TARCAB to TAR.GZCAB to TAR.BZ2CAB to TAR.XZ

    Convert other archives to 7Z

    ZIP to 7ZRAR to 7ZTAR to 7ZTAR.GZ to 7ZTAR.BZ2 to 7ZTAR.XZ to 7ZGZ to 7ZBZ2 to 7ZXZ to 7ZISO to 7ZJAR to 7ZLZH to 7Z

    Helpful tools

    Unzip / ExtractOpen ZIP, RAR, 7Z, TAR.GZ, ISO, CAB and 30+ archive types online. Preview the files, save…Create ZIPZip files and whole folders online, free. Choose compression level, add AES-256 password…Compress Files (7Z)Shrink files and folders with 7-Zip Ultra (LZMA2) compression — often 30–70% smaller for…