ZIP File Preview

No — it inspects ZIP archives without extracting them. It reads the archive's central directory and lists every entry: names, folder structure, compressed and uncompressed sizes, compression method, CRC-32, and modification dates. Text files can be previewed inline, and individual entries can be downloaded one at a time.

The file is read in the browser and a lightweight parser locates the End of Central Directory record, then walks the central directory entries. Deflated entries are inflated on demand using the browser's native DecompressionStream API — no extraction libraries, no server, and no uploads.

Text-like entries (txt, json, csv, html, css, js, markdown, and many more extensions) can be previewed directly — stored entries instantly and deflated entries after a quick inflate. Binary files show their size, method, date, and CRC instead, and can be downloaded as-is.

Standard ZIP archives are supported, including those created by Windows, macOS, and Linux tools. Files compressed with uncommon methods beyond Store (0) and Deflate (8) will still appear in the listing with their method number, but content preview may be unavailable.

Yes. Click any entry and use the Download button to save just that file — decompressed back to its original bytes — without extracting the whole archive. Multi-file or whole-archive extraction is intentionally not offered here.

Yes. The archive is parsed entirely in your browser and never leaves your device, so the tool is safe for archives containing sensitive material and works fully offline.