Online Video Shrinker — Free Browser-Based
Shrink video files online for free — reduce size by up to 90% directly in your browser. No uploads, no sign-ups, no watermarks. Our GPU-accelerated video shrinker handles MP4, MOV, AVI, MKV, WebM and 10+ more formats. 100% private.
Drop your video here or click to browse
Supports MP4, WebM, MOV, MKV, AVI and 10+ more formats · Max 2GB
Why Use an Online Video Shrinker?
An online video shrinker lets you reduce video file size without installing software. Unlike server-based shrinkers that require uploads, our browser-based shrinker processes videos locally using WebAssembly. This means: 1) No upload time (instant start), 2) Complete privacy (videos never leave your device), 3) No server storage limits, 4) Works offline after first load. For most users, this is faster and safer than traditional online tools.
How to Shrink Videos Online
Shrinking videos with our tool is simple: 1) Drag and drop your video (or click to browse). 2) Choose a preset: 'Smallest File' (CRF 32, 720p) for maximum shrinkage, 'Best Balance' (CRF 26, 1080p) for recommended quality, or 'Best Quality' (CRF 20, original resolution) for near-lossless. 3) Click Compress. 4) Download your shrunk video. The process takes seconds to minutes depending on file size, with real-time progress display.
Online Video Shrinker Features
Our shrinker offers: Quick presets for one-click shrinking. Auto mode with target file size (8MB-100MB for Discord, WhatsApp, Email). Manual mode with full control over CRF, resolution, frame rate, audio. Video trimming to cut unwanted segments. Before/after comparison preview. GPU acceleration via WebCodecs API. Multi-thread processing via ffmpeg.wasm. Support for 10+ input formats. Output as MP4 (H.264) or WebM (VP8). All features are free with no limitations.
Shrinking Videos for Different Platforms
Each platform has size limits. Email (25MB): Use Auto mode with 25MB target. Discord Free (10MB): Use Auto mode with 10MB target or 'Smallest File' preset. Discord Nitro (100MB): Use Auto mode with 100MB target. WhatsApp (16MB): Use Auto mode with 16MB target. Social media: Use 'Best Balance' preset. Web embedding: Use CRF 26-28, 1080p. For precise control, use Manual mode with specific CRF and resolution settings.
Frequently Asked Questions
How do I shrink a video online?
Drag and drop your video into our shrinker, choose a preset, and click Compress. Your shrunk video downloads instantly. All processing happens in your browser — no uploads required.
How much can I shrink a video online?
Videos can be shrunk by 60-90%. A 100MB video typically becomes 10-40MB. Use 'Smallest File' preset for maximum shrinkage.
Is this online video shrinker free?
Yes, completely free with no sign-up, no watermarks, no file limits. All processing happens in your browser, so there are no server costs.
Is online video shrinking safe?
Our shrinker is completely safe because videos never leave your device. All processing happens locally in your browser using WebAssembly. This is safer than server-based shrinkers that require uploading your files.
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