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ZIP inspector

Explore ZIP filenames, declared sizes and compression methods in an interactive directory without extracting contents.

Choose a file

Choose a file to get started, or drag and drop it here.

Up to 16 MiB

Explore file names, declared sizes and compression methods without extracting file contents.

How it works & useful details

Explore file names, declared sizes and compression methods without extracting file contents.

Everything runs locally. Files are never uploaded. Maximum 16 MiB per input file, 32 MiB combined, and 1 file. Processing can be cancelled.

ZIP support covers stored and DEFLATE entries, up to 128 entries and 32 MiB declared expansion. ZIP64, encrypted, multi-disk, symbolic-link and unsafe-path archives are rejected. Names must be ASCII or UTF-8; legacy encodings and Unicode path extra fields are unsupported. Extracted downloads use unique flat names. Only selected extracted entries have their contents verified.