ZIP .zip
An archive that bundles files and optionally compresses them. Original filenames are retained.
ZIP file format guideZIP to 7Z converter
Convert ZIP (.zip) to 7Z for free. Choose files, review the available settings and download your results. No account needed.
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7Z .7z
An archive format with strong compression. Support is listed in the compatibility table.
7Z file format guideHow to convert ZIP to 7Z
- Select ZIP files from your device or drag them into the converter.
- Check the 7Z output. Open conversion settings if you want to make adjustments.
- Convert, compare the original and result, then download your files.
Quality, compatibility and file limits
Convert regular archive files to ZIP, 7Z, TAR and compressed TAR, or inspect and extract the contents. Links, special filesystem entries and permissions are not retained. Enter a password in Options for encrypted input. Single-stream compression packs multiple files in TAR.
Processing uses your device when possible and our servers when required. Browser files are limited to 256 MB each; server conversions to 64 MB; browser spreadsheets to 32 MB. Previews show supported content and do not guarantee identical rendering in every application.