Audio & Video Tools
AI text-to-speech, speech recognition, plus video compression, trimming, voiceover, and more.AI Text-to-Speech
Have AI read text aloud in a natural voice — perfect for product video voiceovers and audio introductions. Over 50 voices available, with automatic language detection for Chinese, English, Japanese, Korean, and more.Basic Voiceover
Choose a Voice
E-commerce Applications
Supported Languages
| Language | Notes |
|---|---|
| Chinese | Auto-detected Mandarin |
| English | Natural American/British pronunciation |
| Japanese | Natural Japanese pronunciation |
| Korean | Natural Korean pronunciation |
| French, German, etc. | Multi-language support |
AI Speech Recognition
Convert speech in audio or video files to text. Supports multiple audio formats.Basic Recognition
Specify Language
E-commerce Applications
Supported Formats
| Format | Notes |
|---|---|
| MP3 | Most common audio format |
| WAV | Lossless audio |
| M4A | Default iPhone recording format |
| OGG / WebM | Web audio formats |
Audio file size limit is 25MB. For longer recordings, trim first before transcribing.
Video Compression
Compress Video
Compression Guidelines
- Social media: 1080p, 5-10MB
- Product display: 720p, 2-5MB
- Thumbnail preview: 480p, under 2MB
Video Trimming
Extract Segment
Remove Intro/Outro
Video Compositing
Add Background Music
Add Voiceover
Replace Audio
Video Concatenation
Merge Multiple Videos
Set Order
Format Conversion
Convert Format
Common Formats
| Format | Use Case |
|---|---|
| MP4 | Universal format, best compatibility |
| WebM | Web playback |
| MOV | High-quality editing |
Generate Thumbnail
Extract Thumbnail
Auto-Select
Video Adjustments
Resize
Quality Enhancement
Batch Processing
Batch Compress
Batch Convert
Batch processing may take longer. You’ll be notified when complete.
E-commerce Video Tips
Control file size
Control file size
Upload platforms usually have size limits. Keep under 50MB.
Optimize first seconds
Optimize first seconds
First 3 seconds are crucial. Grab attention immediately.
Add subtitles
Add subtitles
Many users watch with sound off. Subtitles improve message delivery.
Multi-platform versions
Multi-platform versions
Different platforms have different size requirements. May need multiple versions.