Convert ZIP → 7Z Online — Free
Convert ZIP archives to 7-Zip format.
Drag & drop or click to browse
Accepts .zip files up to 500 MB
Free plan includes 10 conversions/day. Need more? Talk to us →
What is a .zip file?
ZIP is a widely-used format in the Archive category. Convert ZIP archives to 7-Zip format. Files in this format are commonly used across various tools, pipelines, and workflows.
What is a .7z file?
7Z is a popular format in the Archive ecosystem. Converting from ZIP to 7Z gives you access to its unique features, broader tooling support, and improved interoperability.
How to convert ZIP → 7Z online
Upload your file
Drag & drop your .ZIP file onto the upload zone, or click "Browse" to select it.
Validate & preview
The tool checks the file type and size before uploading. Invalid files are rejected immediately with a clear error.
Convert on the server
Click "Convert" to upload and process your file. Server-side conversion typically takes ~30 seconds.
Download your result
When done, click "Download .7Z" to save your converted file. Files are securely deleted after 1 hour.
Frequently asked questions
Is this ZIP to 7Z converter free?
Yes. The ZIP → 7Z tool is free for up to 10 conversions per day. Pro (100/day) and Business (unlimited) plans unlock higher limits.
Is my file secure on the server?
Your file is uploaded over an encrypted HTTPS connection to a secure server worker. The converted file is stored temporarily and automatically deleted after 1 hour. We never share or store your files longer than necessary.
What is the maximum file size for ZIP?
You can convert files up to 500 MB. If your file is larger, consider compressing it first or upgrading to a Business plan for increased limits.
What is the difference between ZIP and 7Z?
ZIP and 7Z are both formats in the Archive category, each with different use cases, tooling support, and feature sets. Convert ZIP archives to 7-Zip format.
Can I convert multiple files at once?
Batch conversion is available on Pro and Business plans. Free users convert one file at a time.