Convert to 7z Online
Free online tool to compress files into 7z archives. Convert images, audio, video, documents, and spreadsheets to 7z. No registration required. 100% client-side processing.
Files to 7z Converter
Drag & drop files
Support for 100+ formats • Images, Videos, Documents, Audio, Archives & more
Images Videos Audio Documents Archives
Convert Files to 7z Format
Our free online converter allows you to compress files into 7z archives. 7z is an open-source archive format known for its high compression ratios and support for large files, making it ideal for efficient storage and sharing.
Supported Files for 7z Conversion
- Images (PNG, JPG, WebP, SVG)
- Audio (MP3, WAV, Opus)
- Video (MP4, AVI, MKV)
- Documents (PDF, DOCX, TXT)
- Spreadsheets (XLSX, CSV)
- Archives (ZIP, RAR)
- Presentation (PPTX)
- Other file types
Why Convert to 7z?
- High Compression - Offers superior compression ratios for smaller file sizes
- Multi-File Support - Bundle multiple files into a single archive
- Open Source - Free and widely supported by archiving software
- Encryption Support - Provides strong AES-256 encryption for secure file sharing