Video Compressor
MB or kbps target with H.264 'slow' preset. Estimated output size.
You use this tool often? Pro includes files up to 500 MB and priority processing.
What is Video Compressor?
H.264 video compressor with MB or kbps targets. 'slow' preset for quality, CRF 18-51 available.
How to use this tool?
Drop the video, choose target size or bitrate, and download the compressed version.
Benefits
- MB or kbps target
- 'slow' preset
- Estimated output size
- Nothing uploaded
- FFmpeg.wasm
Frequently Asked Questions
- How is the target size set?
- Enter the desired size in MB; the tool computes the required video bitrate from the duration.
- Why the 'slow' preset?
- Better compression at equivalent quality. The server has no GPU so hardware encoders aren't available.
- Any file size limit?
- FFmpeg.wasm keeps everything in memory. Inputs above 500 MB may slow the browser.
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Use →Video Trimmer
Trim your video between two timestamps directly in the browser. FFmpeg.wasm, no re-encoding when possible. Nothing uploaded.
Use →Video to GIF
Convert a video segment to a high-quality GIF using two-pass palette encoding. Frame rate, width, start/end configurable.
Use →What is Video Compressor?
H.264 video compressor with MB or kbps targets. 'slow' preset for quality, CRF 18-51 available.
How to use this tool?
Drop the video, choose target size or bitrate, and download the compressed version.
Benefits
- MB or kbps target
- 'slow' preset
- Estimated output size
- Nothing uploaded
- FFmpeg.wasm
Frequently Asked Questions
- How is the target size set?
- Enter the desired size in MB; the tool computes the required video bitrate from the duration.
- Why the 'slow' preset?
- Better compression at equivalent quality. The server has no GPU so hardware encoders aren't available.
- Any file size limit?
- FFmpeg.wasm keeps everything in memory. Inputs above 500 MB may slow the browser.
Similar Tools
Video Converter
Convert your videos to MP4 (H.264/AAC), WebM (VP9/Opus) or GIF directly in the browser. Configurable bitrate and resolution.
Use →Video Trimmer
Trim your video between two timestamps directly in the browser. FFmpeg.wasm, no re-encoding when possible. Nothing uploaded.
Use →Video to GIF
Convert a video segment to a high-quality GIF using two-pass palette encoding. Frame rate, width, start/end configurable.
Use →