Video Compressor
Shrink video files for Discord, WhatsApp, email, Twitter, and more — handled locally on your device
Drag your video file here
or tap to select a file
Accepts MP4, WebM, MOV, AVI (Up to 500MB)
Select a video to see the preview
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Fully Private & Secure
All video processing takes place directly within your web browser through advanced WebAssembly technology. Not a single frame is transmitted to an external server. This video compressor guarantees total privacy because the complete compression workflow operates on your own device. While cloud-based alternatives force you to upload sensitive footage, our solution keeps every byte of data under your exclusive control at all times.
Always Free — Zero Surprise Charges
This online video compressor costs absolutely nothing and never asks you to sign up. No watermarks appear on your finished videos, there are no daily caps on the number of files you handle, and no premium features hidden behind a paywall. Whether you need to compress video files a handful of times per month or dozens of times daily, every capability remains fully open to you at no expense.
Ready-Made Platform Size Targets
Shrink videos to satisfy the precise file size requirements of widely-used platforms in one click. Pick from built-in targets for Discord, WhatsApp, Email, and Twitter, or define a custom size ranging from 1MB to 500MB. The video compressor automatically determines the ideal bitrate and resolution to match your target without sacrificing more visual quality than necessary.
GPU-Accelerated Performance
This video compressor takes advantage of your device's native hardware acceleration along with contemporary browser APIs to deliver rapid compression speeds. By routing video frames through the GPU-powered Canvas API and the MediaRecorder interface, files are compressed substantially faster than with conventional software-only encoding, letting you compress video files in a fraction of the usual time.
Wide Format Compatibility
Bring in videos saved as MP4, WebM, MOV, or AVI. Select MP4 or WebM for the output depending on where you plan to share. The video compressor manages format conversion behind the scenes, enabling you to compress videos from any source and export them in whichever format suits your intended platform best.
Precision Quality Settings
Dial in your ideal video compression outcome with three quality tiers: Low, Medium, and High. Each tier modifies the output resolution and encoding parameters to strike the right balance between file size and visual clarity. Whether you prioritize the tiniest possible file or want to retain near-original fidelity, this video compressor puts you in full command of every compression decision.
Free Online Video Compressor — Shrink Files in Seconds
Sharing videos ought to be effortless, yet platform file size caps frequently get in the way. Whether you are trying to send a highlight through Discord, attach a recording to an email, or upload content to social media, oversized files can derail the entire process. Our free online video compressor tackles this challenge by enabling you to shrink video file sizes right inside your browser, with no software downloads and no file uploads necessary. The video compressor examines your source file, calculates the best encoding parameters for the target size you select, and generates a smaller version that holds on to as much visual quality as it can. Because every step takes place locally on your device, you retain full ownership of your content and never need to think about privacy. This tool is built for casual users and creative professionals alike who want a fast, dependable way to compress videos online without extra hassle.
Compress Videos in Three Quick Steps
Operating this video compressor is intuitive and demands zero technical expertise. First, drag and drop your video file onto the upload area or click to pick a file from your device. The tool supports MP4, WebM, MOV, and AVI inputs up to 500MB. Second, configure your compression preferences by choosing a target platform like Discord or WhatsApp, or by entering a custom file size target. Tweak the quality level and output format to suit your requirements. Third, press the Compress Video button and let the process run. Your video will be compressed entirely inside your browser, and when it finishes, you can preview the output and save the compressed file with one click. The full workflow wraps up in seconds to minutes based on video length and your device's processing capability, making it one of the speediest ways to compress video files on the market today.
Size Targets for Every Major Platform
Every platform enforces its own file size ceiling, and juggling these restrictions gets confusing fast. Our video compressor ships with built-in targets for the most popular platforms so you never have to second-guess. Discord Free users face an 8MB upload ceiling, while Nitro Basic permits 25MB and Nitro subscribers can go up to 50MB. WhatsApp caps video attachments at 16MB, most email providers cap attachments at 25MB, and Twitter allows videos up to 512MB. With this video compressor, just pick your target platform and the tool auto-configures the bitrate and resolution to land right at that size threshold. For unlisted platforms or specialized needs, manually set any target size between 1MB and 500MB using the simple slider control. This adaptability guarantees you can compress videos to the ideal size for any destination.
The Case for Browser-Based Video Compression
Conventional video compression tools demand that you download and install desktop software, which eats up time and adds inconvenience — especially when you just need to quickly shrink one file. Cloud-based compressors skip the installation step but raise a serious privacy question: your video has to be uploaded to a remote server where it is processed on someone else's infrastructure. Our browser-based video compressor sidesteps both problems. Nothing needs to be installed because the tool executes directly in your web browser, and there is zero privacy exposure because your files never leave your device. The compression engine harnesses the MediaRecorder API and Canvas rendering pipeline native to modern browsers, achieving performance on par with dedicated software for most everyday use cases. This architecture also means the video compressor runs on any operating system — Windows, macOS, Linux, or ChromeOS — as long as you have a modern browser.
Mastering Video Compression Settings and Quality
Extracting the best output from a video compressor means knowing how each setting shapes your results. The target size caps the maximum file size of your compressed video, and the tool calculates an appropriate bitrate from your video's duration and that cap. A longer video squeezed into the same target size receives a lower bitrate, which translates to reduced quality relative to a shorter video. The quality preset governs the output resolution: Low scales down to 480p, Medium to 720p, and High holds at up to 1080p. Dropping resolution cuts file size substantially but also reduces visual sharpness. The choice between MP4 and WebM for your output format governs compatibility and compression efficiency. MP4 enjoys universal support across devices and platforms, while WebM frequently achieves tighter compression ratios for web-focused content. For the optimal starting point, select the Medium quality preset with MP4 output, then fine-tune based on your particular needs.
Compress Video for Discord — The Definitive Walkthrough
Discord ranks among the top reasons people look for a video compressor, since its free tier enforces a tight 8MB file size cap on uploads. Even a brief 30-second clip captured at 1080p can blow past this threshold with ease. To compress video for Discord effectively, choose the Discord 8MB target in our platform picker, which auto-tunes the compression parameters to that cap. For lengthier videos or higher-resolution footage, you may need to drop the quality preset to Low or Medium to squeeze within the 8MB boundary. If you subscribe to Discord Nitro Basic or Nitro, opt for the higher 25MB or 50MB targets to preserve more quality. The video compressor lets you preview results before saving, so you can verify that the visual quality hits your mark. Many Discord users discover that the Medium quality preset at the 8MB target delivers surprisingly solid results for clips shorter than two minutes.
Expert Tips for Superior Video Compression Results
To squeeze the most value out of this video compressor, keep a few practical pointers in mind that can dramatically improve outcomes. First, shorter clips compress more effectively because the available bitrate budget spans fewer seconds of footage. If you only need a specific segment from a longer recording, trim it before compressing. Second, content with lower visual complexity — screen recordings, slide presentations, talking-head footage — compresses far more efficiently than fast-motion material like gaming highlights or sports clips. Third, begin with the Medium quality preset as your baseline; it delivers the strongest balance between file size and visual quality across most content categories. Fourth, choose WebM when sharing through web browsers or platforms that accept it, since WebM often produces smaller files at comparable quality versus MP4. Lastly, always preview your compressed video before downloading to make sure the quality meets your standards.
Under the Hood: How Our Online Video Compressor Works
Our video compressor is powered by state-of-the-art web technologies that enable professional-caliber compression entirely within your browser. The core pipeline starts with the HTML5 Video element decoding your source file through the browser's native media stack, which supports hardware-accelerated decoding on the majority of modern devices. Each decoded frame is painted onto an HTML5 Canvas element at the target resolution, where the Canvas API performs efficient pixel manipulation and scaling. The compressed output is produced via the MediaRecorder API, which encodes the canvas stream into VP8, VP9, or H.264 based on your chosen output format and what the browser supports. Audio processing flows through the Web Audio API, which extracts, processes, and merges the audio track into the final output stream. This architecture allows the video compressor to tap into your device's GPU for frame processing and dedicated media encoding hardware when available, reaching compression speeds that were once exclusive to installed desktop software.