Video Compressor
Compress videos for Discord, WhatsApp, Email, Twitter and more - Processed locally
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Supports MP4, WebM, MOV, AVI (Max 500MB)
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100% Private & Secure
Your videos are processed entirely in your browser using advanced WebAssembly technology. No files are ever uploaded to any external server. This video compressor ensures complete privacy because the entire compression pipeline runs locally on your device. Unlike cloud-based tools that require uploading sensitive footage, our approach keeps your data under your control at all times.
Free Forever - No Hidden Costs
Our online video compressor is completely free to use with no registration required. There are no watermarks added to your compressed videos, no daily limits on how many files you can process, and no premium tiers locked behind a paywall. Whether you need to compress video files once a week or dozens of times per day, this tool remains fully accessible at zero cost.
Multi-Platform Size Targets
Instantly compress videos to meet the exact file size requirements of popular platforms. Choose from pre-configured targets for Discord, WhatsApp, Email, and Twitter, or set a custom size anywhere from 1MB to 500MB. The video compressor automatically calculates the optimal bitrate and resolution to hit your target while preserving the highest possible visual quality.
Hardware-Accelerated Speed
This video compressor leverages your device's built-in hardware acceleration and modern browser APIs to deliver fast compression speeds. By processing video frames through the GPU-accelerated Canvas API and MediaRecorder interface, compression happens significantly faster than traditional software-based encoding, allowing you to compress video files in a fraction of the time.
Multiple Format Support
Import videos in all major formats including MP4, WebM, MOV, and AVI. Choose between MP4 and WebM for your output, depending on your platform requirements. The video compressor handles format conversion seamlessly, so you can compress videos from any source and export them in the format that works best for your intended destination.
Adjustable Quality Control
Fine-tune your video compression results with three quality presets: Low, Medium, and High. Each preset adjusts the output resolution and encoding parameters to balance file size against visual fidelity. Whether you need the smallest possible file or want to preserve near-original quality, this video compressor gives you precise control over the compression outcome.
Free Online Video Compressor - Reduce File Size Instantly
Sharing videos should be simple, but platform file size limits often stand in the way. Whether you are trying to send a clip through Discord, attach a recording to an email, or post content on social media, oversized files can bring the process to a frustrating halt. Our free online video compressor solves this problem by letting you reduce video file sizes directly in your browser, with no software to install and no files to upload. The video compressor analyzes your source file, calculates the optimal encoding parameters for your chosen target size, and produces a smaller version that retains as much visual quality as possible. Because all processing happens locally on your device, you maintain complete control over your content and never have to worry about privacy. This tool is designed for everyday users and professionals alike who need a fast, reliable way to compress videos online without jumping through hoops.
How to Compress Videos in Three Simple Steps
Using this video compressor is straightforward and requires no technical knowledge. First, drag and drop your video file into the upload area or click to browse your local files. The tool accepts MP4, WebM, MOV, and AVI formats up to 500MB. Second, choose your compression settings by selecting a target platform such as Discord or WhatsApp, or by setting a custom file size target. Adjust the quality preset and output format to match your needs. Third, click the Compress Video button and wait for the process to finish. Your video will be compressed entirely within your browser, and once complete, you can preview the result and download the compressed file with a single click. The entire workflow takes just seconds to minutes depending on your video length and your device's processing power, making it one of the fastest ways to compress video files available today.
Compress Videos for Every Platform
Different platforms enforce different file size limits, and navigating these restrictions can be confusing. Our video compressor comes with pre-configured targets for the most popular platforms so you never have to guess. Discord Free users face an 8MB upload limit, while Nitro Basic allows 25MB and Nitro subscribers can upload up to 50MB. WhatsApp caps video attachments at 16MB, standard email services typically limit attachments to 25MB, and Twitter accepts videos up to 512MB. With this video compressor, you simply select your target platform and the tool automatically configures the bitrate and resolution to hit that exact size threshold. For platforms not listed or for custom requirements, you can manually set any target size between 1MB and 500MB using the intuitive slider control. This flexibility ensures you can compress videos to the perfect size for any destination.
Why Browser-Based Video Compression Matters
Traditional video compression tools require downloading and installing desktop software, which can be time-consuming and inconvenient, especially when you just need to quickly shrink a single file. Cloud-based compressors solve the installation problem but introduce a significant privacy concern: your video must be uploaded to a remote server where it is processed by someone else's infrastructure. Our browser-based video compressor eliminates both drawbacks. There is nothing to install because the tool runs directly in your web browser, and there is no privacy risk because your files never leave your device. The compression engine uses the MediaRecorder API and Canvas rendering pipeline built into modern browsers, delivering performance that rivals dedicated software for most common use cases. This approach also means the video compressor works on any operating system, whether you are on Windows, macOS, Linux, or ChromeOS, as long as you have a modern browser.
Understanding Video Compression Settings and Quality
Getting the best results from a video compressor requires understanding how the key settings affect your output. The target size determines the maximum file size of your compressed video, and the tool calculates the appropriate bitrate based on your video's duration and this target. A longer video compressed to the same target size will have a lower bitrate, which means reduced quality compared to a shorter video. The quality preset controls the output resolution: Low scales to 480p, Medium to 720p, and High maintains up to 1080p. Lowering the resolution significantly reduces file size but also affects visual clarity. The output format choice between MP4 and WebM determines compatibility and compression efficiency. MP4 is universally supported across devices and platforms, while WebM often achieves better compression ratios for web content. For the best balance, start with the Medium quality preset and MP4 format, then adjust based on your specific needs.
Compress Video for Discord - A Complete Guide
Discord is one of the most common reasons people search for a video compressor, because its free tier enforces a strict 8MB file size limit on uploads. Even a short 30-second clip recorded at 1080p can easily exceed this threshold. To compress video for Discord effectively, select the Discord 8MB target in our platform selector, which automatically configures the compression parameters for that limit. For longer videos or higher resolution content, you may need to reduce the quality preset to Low or Medium to fit within the 8MB constraint. If you have Discord Nitro Basic or Nitro, you can select the higher 25MB or 50MB targets to retain more quality. The video compressor will preview your result before downloading, so you can verify the visual quality meets your standards. Many Discord users find that the Medium quality preset at the 8MB target produces surprisingly good results for clips under two minutes in length.
Video Compression Tips for Best Results
To get the most out of this video compressor, consider a few practical tips that can significantly improve your results. First, shorter clips compress better because the available bitrate budget is spread across fewer seconds of footage. If you only need a specific portion of a longer video, trim it before compressing. Second, content with less visual complexity, such as screen recordings, presentations, and talking-head footage, compresses more efficiently than fast-action content like gaming clips or sports footage. Third, start with the Medium quality preset as your baseline; it offers the best balance of file size and visual quality for most content types. Fourth, use WebM format when sharing through web browsers or platforms that support it, as WebM often achieves smaller file sizes at equivalent quality compared to MP4. Finally, always preview your compressed video before downloading to ensure the quality meets your expectations.
The Technology Behind Our Online Video Compressor
Our video compressor is built on cutting-edge web technologies that enable professional-grade compression entirely within your browser. The core pipeline begins with the HTML5 Video element decoding your source file using the browser's native media stack, which supports hardware-accelerated decoding on most modern devices. Each decoded frame is drawn onto an HTML5 Canvas element at the target resolution, where the Canvas API handles efficient pixel manipulation and scaling. The compressed output is generated using the MediaRecorder API, which encodes the canvas stream into either VP8, VP9, or H.264 depending on your chosen output format and browser support. Audio processing runs through the Web Audio API, which extracts, processes, and mixes the audio track into the final output stream. This architecture means the video compressor can leverage your device's GPU for frame processing and dedicated media encoding hardware when available, achieving compression speeds that were previously only possible with installed desktop software.