Secure File Sharing: Send Documents, Photos, and More

tutorials · 2026-08-31

Learn secure file sharing in BlackVoice Technologies with encryption, compression, and privacy features for documents, images, and videos.

## Share Files with Confidence BlackVoice Technologies enables secure file sharing with encryption, supporting documents, images, videos, and more across all chat types. ### Supported File Types - **Images**: JPG, PNG, GIF, WebP - **Videos**: MP4, WebM, MOV - **Documents**: PDF, DOC, DOCX, TXT - **Archives**: ZIP, RAR - **Audio**: MP3, WAV, OGG ### How to Share Files #### Method 1: Attachment Button 1. Open conversation 2. Tap attachment icon 3. Select file from device 4. Add optional message 5. Send #### Method 2: Share from Other Apps 1. Open file in any app 2. Tap Share 3. Select BlackVoice Technologies 4. Choose recipient 5. Send ### Security Features #### Encryption - Files encrypted before upload - Encrypted during transit - Encrypted at rest - Only recipient can decrypt #### Client-Side Compression - Images auto-compressed - Preserves quality - Reduces upload time - Saves storage space ### File Size Limits - Images: Auto-compressed - Videos: Up to 100MB - Documents: Up to 100MB - Consider compression for large files ### Privacy Considerations - Files stored in secure cloud storage - Deleted when conversation deleted - Can be manually deleted - Included in disappearing messages - GDPR-compliant storage

← Back to Blog