ZIP File Extractor

How to Use It

1. Choose or drop a .zip file up to 50 MB.
2. Pick a mode. "List contents only" shows names, sizes, compression and dates without reading the files' data, which is quick and works even for password-protected archives. "Extract all files" also reads each file so you can preview or download it.
3. Preview or download. Text files (such as .txt, .md, .json, .csv, .html and source code) and images (.png, .jpg, .gif, .webp, .svg and others) open in a preview. Any file can be downloaded with its download button.

What the Results Show

Compressed and uncompressed size

How much space each file takes inside the ZIP, and how big it will be once extracted. Text and code usually shrink a lot. Photos, videos and files that are already compressed (JPEG, MP4, other ZIPs) barely shrink at all.

Compression ratio

Total uncompressed size divided by total compressed size. A ratio of 3:1 means the contents are three times larger once extracted.

Dates

The modification time recorded in the archive by the program that created it. Many tools store it without a time zone, so it may be off by a few hours from what you expect.

Folders

Folders appear as separate entries only if the program that made the ZIP stored them. Otherwise you'll see the folder as part of each file's path, such as docs/readme.txt.

Limits and Safety Checks

• Size: up to 50 MB per upload, 1,000 entries, and 100 MB once extracted.
• ZIP bombs: archives that would expand more than 100 times their compressed size, or past 100 MB, are rejected before anything is extracted. Entries that try to expand beyond their declared size are stopped too.
• Unsafe paths: archives containing entries like ../../file or absolute paths, which could write outside the target folder in some extractors ("zip slip"), are rejected.
• Compression methods: files stored with no compression or with Deflate, which is what nearly all ZIP tools use, are supported. Archives made with Deflate64, BZIP2, LZMA or Zstandard can be listed but not extracted.
• Password-protected ZIPs: can be listed, but files can't be extracted, because this tool can't decrypt them.
• Other formats: only .zip files are supported, not RAR, 7z, tar or gz.

Opening an archive here doesn't run anything inside it, and these checks aren't a virus scan. Be careful with any program, script or Office document you download from an archive you don't trust.

What Happens to Your File

The ZIP file is uploaded to Orbit2x's server and read in memory. The file list and, in extract mode, the files' contents are sent back to your browser, and previews and downloads happen in your browser from that response. Nothing is saved on the server after the request finishes. For confidential archives, you may prefer an archive tool on your own computer. See the privacy policy.

Frequently Asked Questions