FFmpeg Command Builder

Command Line Helpers

FFmpeg Command Builder

Command Line HelpersNew

Build common FFmpeg commands without memorising flags

Video Transcode

Convert a video to a new codec, size, framerate, or delivery preset.

Recipe

Input

Output

Output Format

Start Time

Duration

Output FPS

Width

Video Codec

CRF

Preset

Audio Codec

Audio Bitrate

Extra Flags

Overwrite output with `-y`Add `+faststart`Remove audio

Batch Output

Generate a reusable PowerShell or Bash script for whole folders, including optional recursive processing and replace-in-place output.

Generate folder scriptInclude subfoldersReplace original after success

Folder

Input Pattern

Use wildcards such as `*.mp4` or `clip-*.mov`. PowerShell uses `Get-ChildItem -Filter`; Bash uses `find -name`.

Shell

Batch output uses the same format as the generated command: `.mp4`.

New File Suffix

Temp Suffix

Generated Command

Copy this into your terminal and swap the placeholder paths for real files.

View

ffmpeg \
  -y \
  -i "input.mp4" \
  -vf "scale=1280:-2" \
  -c:v libx264 \
  -crf 23 \
  -preset medium \
  -c:a aac \
  -b:a 192k \
  -movflags +faststart "output.mp4"

Command Details

Input

Input file: input.mp4.

Processing

Video codec: libx264.

CRF 23 with medium preset.

Resize to 1280px wide.

Output

Container: MP4.

Audio codec: aac at 192k.

Faststart enabled.

Output path: output.mp4.

About FFmpeg

Open-source command-line toolkit for converting, compressing, and processing audio and video files.

Download: https://ffmpeg.org/download.html