📷 Images in WhatsApp
Recommended Dimensions: 1125 × 600 pixels
Aspect Ratio: 1.91:1
Supported Formats: JPEG or PNG
Max File Size: 5 MB
📝 Note: WhatsApp also supports square (1:1) and wide (e.g. 16:9) formats. Images will display normally but may enlarge when tapped or scrolled.
🎬 Videos in WhatsApp
Aspect Ratio: 1.91:1
Format: MP4
Max File Size: 16 MB
Preview: The first frame of the video will be used as the preview thumbnail.
Autoplay: Videos do not autoplay; the user must tap to play.
🖼️ Carousel Templates (Image Carousels)
Recommended Dimensions per Image: 1125 × 600 pixels
Aspect Ratio: 1.91:1
Format: JPEG or PNG
Max File Size per Image: 5 MB
Supported Layouts: Users can swipe horizontally through multiple images within a single message.
🎧 Audio Files in WhatsApp
Supported Format: MP3, MP4 Audio, AAC, AMR, OGG
Max File Size: 16 MB
Playback: Users must tap to listen; audio does not autoplay
Use Case: Voice messages, music clips, or spoken promotions
✅ Best Practices
Stick to 1.91:1 ratio for all media for consistent visual appearance
Keep file sizes optimized without losing quality
Test your message preview in Chatarmin before sending to users
For carousels, ensure each image has similar lighting, layout, and size
For full technical specs and current limitations refer to Meta's offical documentation.