Video Compressor - Reduce Size

Looking for a fast, offline video compressor that reduces video file size without losing much quality? Proton Video Compressor is a powerful video size reducer that shrinks your videos with ease - no internet required, no watermark added.

Compress a 500 MB video down to under 50 MB while keeping impressive quality. Whether you need to send a large video on WhatsApp, share clips via Gmail, or simply free up storage space on your phone, Proton makes it effortless.

Compress & Resize Videos

Reduce video size with flexible quality presets: Low (480p), Medium (640p), High (720p), or keep the original resolution. Need exact control? Set a custom resolution or enter a specific target file size in MB. The app handles everything - just pick your settings and compress.

WhatsApp & Gmail Presets

Compress videos instantly for WhatsApp (16 MB limit) or Gmail (25 MB limit) with one-tap presets. No guessing, no failed uploads - the video compressor optimizes your file perfectly for each platform.

Preview Before Compressing

Not sure how the compressed video will look? Generate a 10-second preview sample first. Check the quality before running the full compression.

Side-by-Side Comparison

Play the original and compressed video simultaneously on the same screen. Compare file size, resolution, and visual quality at a glance. See exactly how much space you saved.

Audio Controls

Remove audio to shrink your video further, adjust volume from 0% to 300%, or preserve the original audio track. Full control over your video's sound.

Supported Video Formats

Works with MP4, MKV, AVI, MOV, WEBM, TS, 3GP, M4V, WMV, MPEG, and more. Whether it's a camera recording, a downloaded movie, or a screen capture, this MP4 compressor handles it all.

Browse & Sort Your Videos

View all videos on your device in a clean grid with thumbnails. Browse by album or folder. Sort by name, date, size, or duration. Finding the right video to compress takes seconds.

Works Fully Offline

This video compressor runs entirely on your device. No uploading to servers, no waiting for cloud processing, no internet needed. Your videos stay private and compression is fast.

Share Anywhere

Share your compressed video directly to WhatsApp, Telegram, Instagram, email, or any app. Also accepts videos shared from other apps, compress files received from WhatsApp, file managers, or your gallery.

Designed for Android

Supports Android 5.0 through Android 15. Handles storage permissions across all versions seamlessly. Lightweight, fast, and built to work on any Android device.

Works as a reliable video resizer, MP4 compressor, video shrinker, and video file reducer - all in one app. Download Proton Video Compressor and take control of your video file sizes today.

Note: This app is not affiliated with Proton AG.