Video Compressor
Video compressor: Reduce video file size directly in your browser. Choose a quality preset and resolution while keeping source files on your device.
Drop your video here to compress or click to browse files
Click anywhere above to select a video file
Supports MP4 · MOV · WebM · MKV · AVI · TS
How to Compress a Video Online
Upload Your Video
Use this video compressor locally: click the upload area or drag and drop your video file onto the page. The entire process runs in your browser — your file never leaves your device.
Choose Compression Settings
Select a compression level and target resolution. The tool automatically balances visual quality with output file size based on your chosen preset.
Download Instantly
Once compression is complete, download your video right away. standard download, no hidden fees, no waiting for server-side processing.
Why Choose Our Video Compressor
100% Private
Your video never leaves your device. All compression runs locally in the browser using WebCodecs — no cloud upload, no server processing.
Hardware Accelerated
Leverages your GPU for fast video encoding. Modern browsers can compress a 5-minute 1080p video in under a minute on most devices.
Local processing
Process compatible videos on your device without sending source files to a server.
Web-Ready Output
Compressed files are optimized for web, email, and social media sharing — smaller size, great quality.
Multiple Resolutions
Downscale to 1080p, 720p, or 480p to maximize size reduction while preserving visual quality for your use case.
Broad Format Support
Import MP4, MOV, WebM, MKV, AVI, and TS files. Output is always MP4 for maximum compatibility.
How this video compressor actually shrinks a file
A video compressor does not magically delete frames. It re-encodes pixels so the same clip uses fewer bits per second. This page is that job: you drop a file, pick a preset, and download a smaller MP4 without opening a desktop encoder. The form above is the tool. You do not leave this URL to finish a compress.
When you need a video compressor instead of a converter
People search video compressor when Discord, Gmail, or a CMS rejects the file, not when they want a new container. Conversion changes the wrapper. Compression changes the bitrate and often the resolution. If your clip already plays as MP4 but is 180 MB for 40 seconds of gameplay, you need this video compressor, not a format switch. Keep the original until you confirm the download looks sharp enough on a phone. Then archive or delete the bulky source.
Presets: High, Balanced, and Smaller File
High targets about 4 Mbps and is the right video compressor setting when you still need a client review or a YouTube upload that should not look mushy. Balanced sits near 1.5 Mbps and is the default for chat apps and most social drafts. Smaller File aims near 500 kbps: it will smear fine text and grass, but it is what gets a clip under a 8–25 MB cap. Resolution is a second lever. Dropping 4K to 720p often saves more than another quality tick because you simply encode fewer pixels. Pick the crop you will actually publish before you spend encode time.
What stays on your device
This video compressor uses WebCodecs in Chrome, Edge, and recent Safari. The file is read locally, decoded, and written back as H.264 MP4 in the same tab. Nothing is uploaded to Pixwit for the compress itself. That is why a 2 GB screen recording can still run if your machine has RAM, and why Firefox is not listed as supported. Leave the tab open until the progress bar finishes. Closing it cancels the encode. If the output is barely smaller than the input, the source was already heavily compressed — step down a preset or drop a resolution stop rather than running the same settings twice.
Typical jobs this video compressor is built for
Gaming highlights for Discord: many servers still cap attachments well below a raw OBS export. Email and Slack: a 25 MB ceiling is common; a two-minute product demo at Balanced 720p usually clears it. Course uploads and LMS: administrators throttle size per lecture. Website heroes: a 40 MB autoplay background wrecks LCP; compress, then lazy-load. Phone-to-laptop transfers: WhatsApp and iMessage compress anyway, but a local pass first keeps more of the face and less block noise than the messenger’s own pass. In every case the workflow is the same: upload on this page, choose preset and resolution, download the MP4, then share.
Quality checks before you share the compressed MP4
Watch faces, title cards, and UI chrome — those fail first when a video compressor is too aggressive. Play 5–10 seconds around a cut or a HUD overlay. If letters crawl, bump one step up. If the file is still huge, cut dead air in a trimmer first; this page does not trim. Output is always MP4 for phones, browsers, and editors. Audio is preserved at a modest bitrate; do not use this as a mastering tool. For a second pass, change only one variable so you know what helped. Related tools on Pixwit cover trim, convert, and resize when the problem is length or aspect, not size.
What this video compressor will not do
This video compressor will not trim dead air, add captions, change aspect, or fix a blown exposure. It re-encodes. If the problem is length, open the trimmer first so you are not paying bitrate for a minute of a desktop wallpaper. If the problem is a MOV that a phone will not play, you may still compress here — output is MP4 — but a dedicated converter is clearer when the wrapper is the only issue. If the problem is a 4K master you must keep, do not overwrite it with the Smaller File preset. Download beside the original. A video compressor is a size tool. Keep the master.
A second pass on this video compressor without wasting time
Change one lever. If Balanced 1080p is still huge, drop to 720p and keep Balanced. If 720p looks soft on a title card, go back to High and trim the clip shorter instead. Running Smaller File twice on the same MP4 rarely helps; you are compressing a compress. Watch on the phone you will actually send to. A video compressor that looks fine on a 27-inch monitor can still smear HUD text on a bus. When Discord finally accepts the file, stop. Perfectionism is how a two-minute highlight becomes an evening. This video compressor is done when the cap is met and faces still read.
Popular uses for a browser video compressor
Discord and gaming clips
Discord attachment limits kill raw OBS dumps. Run this video compressor at Balanced 720p so the clutch play still reads without a cloud link.
TikTok, Reels, and Shorts drafts
Platforms re-encode on upload. Sending a smaller MP4 from this video compressor avoids a double-soft look and stays under in-app size warnings.
Email and LMS attachments
Most inboxes still cap around 25 MB. Compress a screen recording here, then attach the MP4 instead of a drive folder.
Site speed and cloud storage
Large heroes slow LCP. A video compressor pass before WordPress or Drive upload cuts bandwidth and backup cost without deleting the archive master.
Common questions
Related Tools on Pixwit
Compress another video on this page
The video compressor is the upload form above. Drop a new file, pick a preset, and download the MP4 here.