7Z to ZIP

Upload a 7Z file and download it as ZIP. Free to start.

Drop files here, or press Enter to choose them. Up to 50 MB per file.
Drop a 7Z file hereFree · up to 50 MB · 10 operations in total without an account · or paste with Ctrl+V
  • Sent over HTTPS · link expires in 24 h

How it works

  1. Step 1:

    Drop the 7Z file on the orange block above, or press “Choose 7Z”.

  2. Step 2:

    Press “Convert to ZIP”. The block shows the progress while the server converts the file.

  3. Step 3:

    Press “Download” to save the ZIP file. On Free the link works for 24 hours.

How 7Z to ZIP conversion works

The 7-Zip Archive format uses the LZMA2 algorithm to achieve compression ratios 30-70% better than ZIP, with optional AES-256 encryption. Converting to ZIP produces an archive file that bundles multiple files using DEFLATE or Store compression with a central directory index, supported natively on every major operating system. This conversion changes the file's encoding, compression method, and supported feature set. The contained files are extracted and re-packed with the target format's compression; the files themselves stay bit-for-bit identical; only the container and ratio change. This makes ZIP the practical choice when the destination system requires it or when the target format offers better compatibility or compression. 1converter runs this conversion on the server: your file is uploaded encrypted over HTTPS, converted using trusted open-source libraries, and the output is held for 24 hours before automatic deletion.

When to convert

What the ZIP file is good for and why people convert to it.

  • Better compatibility with Windows/macOS tools and many archivers that expect ZIP
  • Often faster extraction for recipients using built-in ZIP support
  • Sharing a 7z backup with users whose systems only support ZIP archives
  • Submitting bundled project files to a platform that restricts uploads to .zip

Where your file goes

  • It travels to our server over an encrypted HTTPS connection and is converted there.
  • The ZIP file comes back as a private link. It stops working after 24 hours on Free and 7 days on paid plans, and then the files are deleted.

Questions and answers

What people ask before converting 7Z to ZIP.

Ask supportAll questions
Does converting 7Z to ZIP change the file quality?
No—7Z and ZIP are archive formats. The compression changes, but the stored file data is preserved without lossy “quality” reduction.
Will the ZIP be smaller than the 7Z?
Usually not. 7z commonly achieves stronger compression than ZIP, so the ZIP may be larger, depending on the data type.
Can a ZIP store the same advanced features as 7Z?
Both can store directories and files, but 7z may use features and compression methods that ZIP implementations don’t support identically, so metadata/edge features can differ.
Are there compatibility differences after conversion?
ZIP is broadly supported by operating systems and many tools, while some environments may not natively open 7z. Converting to ZIP typically improves out-of-the-box accessibility.

More about this pair

Many files at once? Starter converts 5 at a time, 100 a day.

See plans