WACZ

archive · also known as Web Archive Collection Zipped

WACZ is a web archiving format and is a .zip format containing raw web archiving files such as WARC, indices and file lists.

Identify it

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Open it

• Perma.ccOpen sourcewrites · GNU General Public License, version 3.0 / MIT License
• ArchiveWeb.pagereads and writes
• Browsertrixwrites
• ReplayWeb.pagereads

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Sources

• File Formats Wiki
• PRONOM fmt/1840
• Wikidata Q104903124

From Just Solve the File Format Problem (File Formats Wiki), PRONOM, Wikidata. Updated 2026-10-24.

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