Convert ZIP files to 7Z online, free and without signup. Upload your ZIP file below and download the converted 7Z in seconds. You get 10 free conversions every day, and files are automatically deleted after 24 hours.
Drag & drop files here
PDF, DOCX, JPG, PNG, MP4, MP3, and 200+ formats
ZIP is the most common archive format for compression.
7Z offers the highest compression ratio among common formats.
Upload your ZIP file using the button above. Files up to your plan limit are supported.
Click Convert. Your file is processed on our servers with industry-standard engines like FFmpeg and LibreOffice.
Download your 7Z file. It stays available for 24 hours, then it is deleted automatically.
Yes. ConvertFly offers 10 free conversions every day with no signup required. For higher volumes, credit packages start at $8.
Yes. Files are encrypted during transfer and automatically deleted after 24 hours. ConvertFly is operated by Dizzus GmbH in Switzerland.
No. The conversion runs entirely in the cloud: it works from any browser, on desktop or mobile.
| ZIP | 7Z | |
|---|---|---|
| Type | archive | archive |
| In short | ZIP is the most common archive format for compression. | 7Z offers the highest compression ratio among common formats. |
Convert ZIP to 7Z online for free. Fast, secure archive conversion powered by industry-standard engines. No signup required, files auto-delete after 24 hours. Operated by Dizzus GmbH on private infrastructure.