Bitrate Calculator
Recommended bitrates by resolution / FPS / quality. Compares against YouTube, Twitch, TikTok and Facebook recommendations.
Platform Reference Values
| Platform | Quality | Video (kbps) | Audio (kbps) | Total (kbps) |
|---|
Platform recommendations may change. Check YouTube's official guide and Twitch's broadcasting guidelines for the latest.
What this tool does
- Separate video / audio bitrate
- Built-in YouTube / Twitch / TikTok / Facebook references
- Quality presets
How to use
- 1
Pick resolution / FPS
1080p60 / 720p30, etc.
- 2
Pick quality
High / Standard / Light.
- 3
Read result
Recommended video and audio bitrate, next to the platform reference values.
What each setting means
Recommended settings
Common pitfalls
Symptom: Computed bitrate doesn't hit target
Cause: Audio bitrate not subtracted.
Fix: Account for audio + ~5% container overhead.
Equivalent FFmpeg commands
Reference commands you can run on the desktop FFmpeg CLI.
Historical log: 2026-09-11, 1 successful example executions and 0 excluded (desktop FFmpeg 8.1, fixtures). This log does not verify later edits, browser controls or visual quality.
ffmpeg -i input.mp4 -c:v libx264 -b:v 5000k -maxrate 5500k -bufsize 10000k -c:a aac -b:a 128k output.mp4Browser support & limits
- Recommendations are general; tune for content.
Privacy
This tool only does math in your browser. Inputs stay on your device — nothing is uploaded. Read the privacy policy →
Frequently asked questions
Bitrate ↔ size?
sizeMB ≈ bitrateKbps × durationSec / 8 / 1024.
CBR or VBR?
CBR for live streaming, VBR / CRF for archival.