FFmpeg Form Builder
Authentication
API Key
Required for all operations.
1. Add Media (Videos & Audio)
Upload Files
External URL
Upload
Add URL
Enter a direct link to a video or audio file.
Media Library
Delete All Files
Refresh Library
2. Build Your Request
Select Videos
Select one or more videos to process.
Operation Mode
Process Individually (Batch)
Stitch Together (Merge)
Speed (Multiplier)
Output Format
MP4
MP3 (Audio Only)
MOV
AVI
GIF
Target Resolution
Original (No Resize)
1280x720 (Landscape)
1920x1080 (Full HD)
1080x1920 (Portrait/TikTok)
1080x1080 (Square)
Resize Mode
Fit (Add Black Bars)
Fill (Smart Crop)
Stretch (Distort)
Mute Audio
Custom Audio Track (Optional)
-- Select from Library --
OR
Will replace original audio. Loops if shorter than video.
Audio Volume
100%
Fade In (sec)
Fade Out (sec)
Custom Video Filters (Optional)
Run Process