Guide to trimming, compressing, and converting video and audio files.
Kamili Toolbox includes browser-based video and audio tools powered by WebAssembly (FFmpeg).
## Video Tools
### Video Trimmer
Cut a video to a specific start and end time:
1. Upload your video
2. Drag the trim handles on the timeline
3. Preview the trimmed clip
4. Download
### Video Compressor
Reduce video file size:
- Choose quality preset (High/Medium/Low)
- See estimated file size before processing
- Output as MP4 (H.264)
### Video to GIF
Create animated GIFs from video clips:
- Set start time, duration, and frame rate
- Choose GIF dimensions (width is auto-calculated)
- Optimize palette for smaller file size
### Extract Frames
Extract specific frames or all frames from a video as PNG images.
## Audio Tools
### Audio Trimmer
Cut audio to specific in/out points with waveform visualization.
### Audio Converter
Convert between:
- MP3 (most compatible)
- WAV (uncompressed)
- OGG (open source)
- FLAC (lossless)
### Voice Recorder
Record audio from your microphone directly in the browser. Download as MP3 or WAV.
### Screen Recorder
Record your screen (requires browser permission):
- Record tab, window, or entire screen
- Optional: include microphone audio
- Download as WebM or MP4
## Performance
All video/audio tools use FFmpeg compiled to WebAssembly. Large files (1GB+) may take significant time. Processing happens in your browser — no upload required.