Online Video Compression Tool
Upload video, select compression quality, reduce video file size, convenient for sharing and storage
Drag and drop video files here, or click to select files
Supports MP4, AVI, MOV, WebM, MKV and other formats
Tutorial
1Upload Video
Click the upload area or directly drag video files to the page. Supports MP4, AVI, MOV, WebM, MKV and other common video formats.
2Select Compression Settings
In the right settings panel:
- Compression Quality:
- Low Quality: Smallest file, suitable for quick sharing
- Medium Quality: Balance file size and quality (Recommended)
- High Quality: Maintain good quality, larger file
- Very High Quality: Close to original quality, largest file
- Target Resolution Target Resolution: You can choose to lower resolution to further reduce file size. If you choose original resolution, the video's original size will be maintained.
3Start Compression
Click the "Start Compression" button and wait for processing to complete. Progress bar and estimated remaining time will be displayed during processing. Processing time depends on video length, resolution and selected quality settings. Compression ratio and file size comparison will be displayed after compression completion.
4Download Video
After compression completion, click the "Download Compressed Video" button to save the compressed video file. The filename will automatically add "_compressed" suffix.
π‘ Tips
- β’ Medium quality settings usually provide the best balance of file size and quality
- β’ Lowering resolution can significantly reduce file size, suitable for network sharing
- β’ You can preview the original video before processing, confirm it's correct before compressing
- β’ Large file compression may take a long time, please be patient
- β’ The compressed video format is MP4, best compatibility
Frequently Asked Questions (FAQ)
Q1: Will videos be uploaded to the server?
A1: Completely local processing, no. All video processing is done locally in your browser, video files are not uploaded to any server, ensuring your privacy and data security.
Q2: Is this tool free? Will the compressed video have watermarks?
A2: Completely free, and the compressed video will not add any watermarks. You can use it with confidence, all features are free.
Q3: What video formats are supported?
A3: Supports MP4, AVI, MOV, WebM, MKV and other common video formats as input. Output format is MP4, best compatibility.
Q4: How long does it take to compress a video?
A4: Compression time depends on video length, resolution, selected compression quality and resolution settings. Usually 1 minute of video requires 1-3 minutes of processing time. Progress bar and estimated remaining time will be displayed during processing.
Q5: Will the compressed video quality decrease?
A5: This depends on the compression quality settings you choose. If you choose "Very High Quality", it will try to maintain original quality. If you choose other quality options, there will be some compression, but usually quality loss is barely noticeable. Lowering resolution will further reduce file size, but may affect quality.
Q6: How much can the file size be compressed?
A6: Compression ratio depends on the original video quality, resolution and selected compression settings. Usually can reduce 30%-70% of file size, specific depends on your settings and original video characteristics.