What is Video Compressor?
Video file too big to share? Our online video compressor can reduce file size by up to 90% with virtually no quality loss. Supports all major formats (MP4, MOV, MKV, AVI, WebM) with customizable quality, resolution, and target file size. Everything runs in your browser โ your videos never leave your device. Suitable for social media sharing, email attachments, website embedding, and more.
โถUse Cases5 scenarios
- โSocial media video sharing (WeChat/TikTok/Instagram)
- โBypassing email attachment size limits
- โOptimizing website video loading speed
- โSaving storage space
- โBatch compressing video courses
โถHow to Use4 steps
- 1Upload or drag and drop your video file
- 2Choose compression quality (High/Medium/Low) or target file size
- 3Click the "Start Compress" button
- 4Wait for processing and download the compressed video
โถFeatures8 features
- โFree to use
- โNo signup required
- โRuns in your browser
- โMultiple format support
- โCustom compression settings
- โBatch processing
- โData stays private
- โWorks on any device
โถFAQ7 questions
What is a video compressor?
An online video compression tool. Input: video files in browser-supported formats. Output: compressed video files. Used to reduce file size for email, web uploads, and storage. Compression runs locally in your browser โ videos are never uploaded.
Will video compression lose quality?
We use advanced encoding algorithms. In "High Quality" mode, the difference is virtually invisible. Even "Medium Quality" maintains clear, acceptable visuals.
What video formats are supported?
All major formats including MP4, MOV, MKV, AVI, and WebM.
What is the maximum file size supported?
We recommend files under 2GB. Larger files may take longer to process.
Will my video be uploaded?
No. All compression happens locally in your browser. Your video files never leave your device.
How much can file size be reduced?
Typically 50%-90% reduction, depending on the original encoding and quality settings.
Can I specify a target file size?
Yes. Enter your desired target size (e.g., 25MB for email attachments) and the system will automatically adjust compression parameters.