AI Video Editor

OnlineCompress

Shrink video file sizes in your browser without sending footage to a server.

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OnlineCompress

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What is OnlineCompress?

OnlineCompress.net is a free online video compressor that reduces file sizes directly in the browser using local processing.

OnlineCompress vs Similar AI Tools

Pricing ModelFreeFree, FreemiumFreeFree
Free Credits
Key Features
  • Supports MP4, MOV, MKV, AVI, WMV, WebM input formats
  • Browser-first engine selection (WebCodecs preferred, FFmpeg fallback)
  • Local processing ensures files never leave your device
  • AI-powered upscaling to HD, 2K, and 4K
  • Deblurring and restoration for blurry or compressed footage
  • Noise reduction and sharpening
  • Word-level editing: delete words to cut corresponding media
  • One-click filler removal (um, uh, etc.)
  • Speaker diarization (automatic speaker labels)
  • AI-powered color grading and effects
  • Metal-accelerated real-time rendering
  • Custom Core Image compositor
Pros
  • Completely free with no hidden costs
  • All processing is local, preserving privacy
  • Fast, online workflow without software installation
  • Supports multiple input formats up to 200MB
  • 100% private and offline
  • Word-level editing is intuitive and fast
  • Completely open source and free
  • Leverages macOS native Metal performance
Cons
  • Only outputs MP4 format
  • Speed depends on device power and browser support
  • Maximum file size limited to 200MB
  • Output quality depends on source footage
  • Requires a Chromium-based browser (Chrome, Edge, etc.)
  • Initial AI model download takes time and storage
  • macOS only (no Windows or Linux support)
  • Requires Xcode and Swift knowledge to build from source
Best For
  • Quickly compressing videos for email attachments
  • Reducing file size for social media uploads
  • Creators polishing videos
  • Archivists restoring old footage
  • Video editors who prioritize privacy
  • Podcasters needing fast transcription-based editing
  • Video editors on macOS
  • Developers interested in AI video tools

How to use OnlineCompress?

  1. 1Drag and drop or choose a video file (MP4, MOV, WebM, AVI) from your device.
  2. 2Select compression settings: target size in basic mode or fine-tune bitrate, frame rate, resolution, and audio in advanced mode.
  3. 3Click 'Compress' and download the resulting MP4 file.

OnlineCompress Key Features

  • Supports MP4, MOV, MKV, AVI, WMV, WebM input formats
  • Browser-first engine selection (WebCodecs preferred, FFmpeg fallback)
  • Local processing ensures files never leave your device
  • No watermarks or forced sign-ups
  • Custom target size or advanced controls for bitrate, resolution, frame rate

OnlineCompress Use Cases

  • Compressing video attachments for email
  • Reducing gameplay clips for community upload limits
  • Preparing videos for social media platforms like TikTok, YouTube, Instagram
  • Optimizing hero videos and background assets for websites

OnlineCompress Pricing & Free Credits

OnlineCompress currently operates on a Free model.

This tool is completely free to use

Free

$0

Unlimited video compression in browser with no subscriptions or watermarks.

OnlineCompress Pros & Cons

Pros

  • Completely free with no hidden costs
  • All processing is local, preserving privacy
  • Supports multiple input formats
  • No watermarks on output
  • Easy drag-and-drop interface

Cons

  • Only outputs MP4 format
  • Speed depends on device power and browser support
  • Some quality loss may occur with aggressive compression

What is OnlineCompress best for?

  • Quickly compressing videos for email attachments
  • Reducing file size for social media uploads
  • Users who need privacy-focused browser-based compression

OnlineCompress FAQ

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