Change video bitrate
Balance file size and visual quality with a target bitrate.
Drop a video here or choose from your device
MP4, MOV, WebM, MKV, AVI, or M4V. Processing stays on this device.
A practical guide to Change video bitrate
Change Video Bitrate re-encodes a clip using a target data rate to balance visual quality and file size. Resolution, motion complexity, codec efficiency, and audio bitrate all affect the outcome.
Example: prepare a clip for a messaging limit
Choose a bitrate suited to the clip duration and resolution, export, then watch fast motion and text overlays before sending it.
Task-specific steps
- 1
Open the video and note its duration, resolution, frame rate, current size, and visually complex scenes.
- 2
Choose a target bitrate and compatible codec, allowing enough data for motion and fine text at that resolution.
- 3
Encode and compare file size plus difficult scenes with the source before using the smaller result.
Options that affect the result
- Target bitrate directly influences expected video data per second and approximate output size.
- The codec selector shows compatible choices for the selected output format and applies that codec during export.
Limitations to know first
- A bitrate target does not guarantee an exact final size because container and audio overhead also contribute.
- Very low rates create blocking, banding, smeared motion, and unreadable small text, especially at high resolution.
Questions specific to this task
How can I estimate video size from bitrate?
Multiply total bitrate by duration and divide by eight for an approximate byte size, then allow extra space for audio and container overhead.
Should I lower resolution or bitrate first?
If the bitrate is too low for the current pixel count, reducing resolution can look cleaner than starving a large frame of data.