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Incremental ZIP Backup Tool

Compare two readable ZIP archives by path, size, and CRC, then create a bounded patch containing added or modified files. Keep the base archive for restore.

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Incremental backup generator

Compare two bounded ZIP archives and create a patch containing only added or modified files. The base archive is not included, so keep it available for restore.

Each upload is limited to 50 MiB; the combined upload is limited to 50 MiB, and archives are bounded before entries are read.
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About Incremental ZIP Backup Tool

Compare two readable ZIP archives by path, size, and CRC, then create a bounded patch containing added or modified files. Keep the base archive for restore.

How to use this tool

  1. Enter the requested data or choose an upload.
  2. Check the file type and size limit before submitting.
  3. Review the result, then download or copy it.
  4. Keep the original and use the actions above to continue safely.

Read the full Incremental ZIP Backup Tool guide →