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FFmpeg Command Builder — Transcode Command Generator

Pick input/output files, video and audio codecs, and quality presets to generate FFmpeg commands for H.264, H.265, VP9, AV1, and more in your browser. Useful when you need a consistent transcode recipe to copy into scripts.

Quick switch→Rsync Command Builder
FFmpegTranscodeVideo
Quick switch:Rsync Command BuilderCarbon Code ViewerSVG Optimizer

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Copy this tool URL or open the system share sheet on a supported device.

Use cases

  • Normalize assets to a target codec and bitrate
  • Generate copy-audio or re-encode commands
  • Draft base commands for batch transcode scripts

How to use

  1. Enter input and output filenames
  2. Choose video/audio codecs and quality
  3. Copy the command

Example input and output

Config

input.mp4 → libx264 CRF 23

Command

ffmpeg -i input.mp4 -c:v libx264 -crf 23 ...

FAQ

Does the browser transcode video?

No. This tool only generates terminal commands. Actual transcoding requires FFmpeg installed locally.

What does CRF mean?

In constant-quality modes, lower values mean higher quality and larger files. Use the presets on the page as a starting point.

Tools

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SVG Optimizer

SVG Optimizer — Cleanup and Compress

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Clean SVG comments, editor metadata, and extra whitespace locally in the browser to produce shorter markup—useful for icon compression, export cleanup, and preparing inline SVG. This is a lightweight cleaner, not a full SVGO plugin pipeline.

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Rsync Command Builder

Rsync Command Builder — Incremental Sync Commands

Available

Configure source, destination, and common rsync flags visually to generate incremental sync commands in your browser. Useful for server migrations, backups, and script preparation.

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Carbon Code Viewer

Carbon Code Viewer — Themed Code Share Cards

Available

Preview code in adjustable themes, window styles, and shadows, then copy code, copy SVG, or export SVG in your browser. Useful for docs, social posts, or tickets when a screenshot is not ideal.

Code Share SVG Design
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