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Convertto

Open & Extract a ZIP File Online — Nothing Uploaded

Look inside a ZIP, EPUB, DOCX or JAR and extract the files you want, in your browser.

To open a ZIP file online, drop it in and every file inside is listed with its size and compression ratio. Extract everything, or filter to just the paths you need. The archive is read in your browser, so a ZIP containing private documents is never uploaded — and the same works for DOCX, XLSX, EPUB, JAR and APK files, which are all ZIP archives underneath.

Runs in your browser
Privacy
Runs entirely in your browser — nothing is uploaded
Cost
Free, unlimited, no sign-up

Frequently asked questions

Can I open a DOCX or XLSX file with this?

Yes. Every modern Office file is a ZIP archive of XML parts, so extracting one shows you word/document.xml, the embedded images in word/media/ and the relationship files. It is the quickest way to pull the original full-resolution images out of a document.

Why will my archive not open?

Three common causes: it is password-protected, which browsers cannot decrypt; it is a RAR or 7z file with a misleading .zip extension; or the download was truncated. The tool distinguishes these where it can rather than reporting a generic failure.

Is there a file size limit?

Only your available memory — the archive is decompressed in the page, so a 2 GB archive needs roughly that much RAM. Filtering to specific paths before extracting keeps large archives manageable.

How to use the zip file extractor

  1. 1Select your archive — the file stays on your device and is never uploaded.
  2. 2Enter or paste your only extract paths containing.
  3. 3Turn "List contents only, do not extract" on or off as needed.
  4. 4Press Run, then download the result when it is ready.

Embed this tool

Put the working zip file extractor on your own site. It runs in your visitors' browsers exactly as it does here — free, no account, nothing uploaded.

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