Generate FFmpeg commands without memorizing every flag.
Build copyable FFmpeg commands for compression, merging, audio extraction, conversion, cropping, GIF creation, and more. Your files stay local; FFmpeg.Run only generates commands.
Basic Settings
Generated FFmpeg Command
Task tools
Start from a specific job and generate a focused command.
Compress Video
Generate FFmpeg commands to reduce video file size with CRF, codec, preset, and resolution controls.
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Merge Videos
Create FFmpeg concat commands for joining video files, with copy and re-encode options.
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Cut Video
Generate FFmpeg commands to trim video clips by start time, duration, end time, or from the end.
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Extract Audio
Generate FFmpeg commands to extract MP3, AAC, WAV, FLAC, or original audio streams from video files.
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Convert Video
Convert video formats with FFmpeg while controlling codec, quality, and container.
Ready
Crop Video
Build FFmpeg crop filter commands for dimensions, offsets, and common aspect ratios.
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Browse by workflow
Convert
Change formats and containers while controlling quality.
Compress
Reduce file size with practical codec, CRF, and preset choices.
Edit
Cut, merge, crop, resize, and adjust video files from the command line.
Watermark
Add logos and watermarks to video with overlay commands.
Subtitles
Burn subtitles into video or attach selectable subtitle tracks.
Audio
Extract, convert, or remove audio tracks from media files.
Debug
Understand FFmpeg errors and find practical fixes.
Debug FFmpeg errors
Paste an FFmpeg error and find a fix
The FFmpeg Error Explainer matches common errors like unknown encoders, moov atom issues, codec copy filter conflicts, and missing files.
Command recipes
Copy common FFmpeg commands and open a tool when you need to customize them.
Articles
More articles →How to Add Text Watermark to Video with FFmpeg
→Add a text watermark to video with FFmpeg drawtext. Includes corner positioning, opacity, borders, fonts, and common troubleshooting tips.
How to Add Subtitles to MP4 Using FFmpeg
→Add subtitles to MP4 with FFmpeg by burning SRT or ASS subtitles into video. Includes styling, font notes, common errors, and copyable commands.
How to Compress 4K Video Size Without Losing Too Much Quality
→Compress 4K video with FFmpeg using H.264, H.265, CRF, presets, and optional downscaling. Includes practical commands for smaller uploads and web delivery.
How to Convert Video to MP4 Without Losing Quality
→Convert video to MP4 with FFmpeg using stream copy when possible, or high quality H.264/AAC settings when re-encoding is required.
How to Add an Image Watermark (Logo) to a Video with FFmpeg
→Add a logo or image watermark to video with FFmpeg overlay. Includes bottom-right positioning, scaling, opacity notes, quality settings, and common fixes.
How to Compress or Reduce Video File Size with FFmpeg
→Reduce video file size with FFmpeg using CRF, presets, H.264, H.265, and audio settings. Includes copyable commands, quality guidance, and common mistakes.