# Convert ZIP to 7Z

> Convert ZIP to 7Z online for free in seconds. Files are processed in a secure, isolated sandbox and deleted automatically. No sign-up, no watermarks.

URL: https://www.converterrr.com/zip-to-7z

- Runs in an isolated cloud sandbox with 7-Zip: files are deleted automatically, and the job uses cloud credits.
- Engines: 7-Zip (cloud).
- API: available. `POST /api/v1/jobs` with `"output_format": "7z"` (paid plans).
- More: [Archive converter](https://www.converterrr.com/archive-converter), [ZIP converter](https://www.converterrr.com/zip-converter), [Compress ZIP](https://www.converterrr.com/compress-zip).

## How to convert ZIP to 7Z

1. **Add your ZIP files.** Drag and drop ZIP files onto the converter, paste them, or click to browse. You can add several at once.
2. **Choose 7Z.** 7Z is already selected. Open Options if you want to change quality, size or metadata.
3. **Convert.** Click Convert. Files are processed in a secure cloud sandbox and are usually ready in seconds.
4. **Download your 7Z.** Download each 7Z file, or everything at once as a ZIP.

## Good to know

- Your folder structure and file names are preserved exactly; only the container and compression change.
- ZIP files are typically used for sending multiple files as one download, while 7Z is best for compressing large collections of files.
- This conversion runs on 7-Zip in an isolated cloud sandbox. Files are encrypted in transit and deleted automatically.

## ZIP vs 7Z

|  | ZIP | 7Z |
| --- | --- | --- |
| Full name | ZIP Archive | 7-Zip Archive |
| Type | Archive | Archive |
| Extensions | .zip | .7z |
| MIME type | application/zip | application/x-7z-compressed |
| Best for | sending multiple files as one download | compressing large collections of files |
| Properties | open standard | open standard |

**ZIP:** ZIP is the most widely supported archive format, bundling and compressing files so they open natively on Windows, macOS and Linux.

**7Z:** 7Z is the high-compression archive format of 7-Zip, often producing much smaller files than ZIP.

The other way around: [convert 7Z to ZIP](https://www.converterrr.com/7z-to-zip).

## Related conversions

- [7Z to ZIP](https://www.converterrr.com/7z-to-zip) (cloud)
- [ZIP to TAR.GZ](https://www.converterrr.com/zip-to-tgz) (cloud)
- [RAR to 7Z](https://www.converterrr.com/rar-to-7z) (cloud)
- [ZIP to TAR](https://www.converterrr.com/zip-to-tar) (cloud)
- [TAR.GZ to 7Z](https://www.converterrr.com/tgz-to-7z) (cloud)
- [ZIP to TAR.BZ2](https://www.converterrr.com/zip-to-tbz2) (cloud)
- [TAR to 7Z](https://www.converterrr.com/tar-to-7z) (cloud)
- [ZIP to TAR.XZ](https://www.converterrr.com/zip-to-txz) (cloud)
- [TAR.BZ2 to 7Z](https://www.converterrr.com/tbz2-to-7z) (cloud)
- [TAR.XZ to 7Z](https://www.converterrr.com/txz-to-7z) (cloud)

## Convert ZIP to other formats

[ZIP to TAR.GZ](https://www.converterrr.com/zip-to-tgz), [ZIP to TAR](https://www.converterrr.com/zip-to-tar), [ZIP to TAR.BZ2](https://www.converterrr.com/zip-to-tbz2), [ZIP to TAR.XZ](https://www.converterrr.com/zip-to-txz)

## Convert other formats to 7Z

[RAR to 7Z](https://www.converterrr.com/rar-to-7z), [TAR.GZ to 7Z](https://www.converterrr.com/tgz-to-7z), [TAR to 7Z](https://www.converterrr.com/tar-to-7z), [TAR.BZ2 to 7Z](https://www.converterrr.com/tbz2-to-7z), [TAR.XZ to 7Z](https://www.converterrr.com/txz-to-7z)

## ZIP to 7Z: frequently asked questions

### How do I convert ZIP to 7Z?

Drop your ZIP file onto the converter above, make sure 7Z is selected, and click Convert. When it's done, download the 7Z file — it usually takes a few seconds.

### Is it safe to convert ZIP to 7Z here?

Yes. Your file is sent over an encrypted connection to an isolated sandbox that's created for your job only, then both the original and the result are deleted automatically.

### Is the ZIP to 7Z converter free?

Yes. Cloud conversions like this one use credits, and you get free credits every day (3 without an account, 10 with a free account).

### Will converting ZIP to 7Z reduce quality?

No — 7Z preserves the content of your ZIP file as faithfully as the format allows.

### Can I convert multiple ZIP files at once?

Yes. Add up to 5 files at a time without an account, 10 with a free account and up to 500 on paid plans, then download them individually or as a single ZIP.

### Can I convert 7Z back to ZIP?

Yes — use our 7Z to ZIP converter. Note that converting back and forth between formats can't recover detail lost to lossy compression.