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Video proxy generator

Lightweight proxies for smooth editing workflows

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Lightweight Proxies for 4K & 8K Footage
Lightweight Proxies for 4K & 8K Footage

Convert heavy 4K, 6K, or 8K raw camera video files into lightweight, low-resolution editing proxies (1080p, 720p, 540p) for stutter-free playback on any laptop or NLE video editor.

Preserves Timecode & Audio Metadata
Preserves Timecode & Audio Metadata

Maintain exact frame-for-frame duration, timecode, and audio track alignment so your editing software can seamlessly relink back to original full-resolution master files during final export.

Automatic `_PROXY` Filename Matching
Automatic `_PROXY` Filename Matching

Automatically appends the standard `_PROXY` suffix to generated files (e.g. `A001_C001_0101_PROXY.mp4`) matching industry standards for Adobe Premiere Pro, Final Cut Pro, and DaVinci Resolve.

Up to 85% Smaller File Size
Up to 85% Smaller File Size

Reduce video file sizes by up to 85% without sacrificing timeline responsiveness, allowing smooth multi-cam editing and rapid project sharing over cloud storage.

Ultra-Fast Browser Downscaling
Ultra-Fast Browser Downscaling

Uses hardware-accelerated canvas downsampling and fast encoding presets for high-throughput proxy creation directly inside your web browser.

100% Private & No Upload Limits
100% Private & No Upload Limits

All video processing occurs locally on your machine. Your unreleased high-res footage is never uploaded to any server or cloud storage.

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Steps to Create Lightweight Video Proxies

1 . Upload your high-resolution video file (4K, 8K, MP4, MOV, WebM, MKV).
2 . Select a proxy resolution preset: Half-Res (50%), Quarter-Res (25%), 720p HD, or 480p SD.
3 . Choose quality preset (Fastest Processing vs Balanced Quality) and verify filename suffix (`_PROXY`).
4 . Click 'Generate Video Proxy' to start client-side downscaling.
5 . Download the lightweight proxy file and import it into your NLE video editor.

Frequently Asked Questions


What is a video proxy?

A video proxy is a low-resolution, lightweight copy of a high-resolution (4K/8K) raw video file. Editors use proxies in NLE timelines (Premiere, DaVinci, Final Cut) for smooth playback and editing without lag, then switch back to original high-res files for final export.

Will proxy files match my original video timing?

Yes! The proxy generator preserves the exact frame rate, audio sync, and clip duration of your original video so offline-to-online relinking is 100% accurate.

How are proxy filenames named?

By default, the tool appends `_PROXY` to the original filename (e.g. `clip_01.mp4` becomes `clip_01_PROXY.mp4`). This allows automated NLE proxy auto-attaching.

Are my 4K/8K videos uploaded to a server?

No! All video downsampling and encoding happen 100% locally in your browser. No video data ever leaves your computer.

Our USPs

Security 100% (No files are sent to server for processing)
File size limits None (No limit on size of files)
Usage limits None (Process as many files as you want)
Price Free
User Information Captured None (We do not request for user information such as email / phone number)
Ads None (We provide complete ad free experience)

Over 200k Users Rely on Our Video Editing Tools Monthly

Join a growing community of users who rely on SafeVideoKit.com for secure, efficient, and easy-to-use video editing and processing tools. Enjoy privacy-focused features with no data uploads required.

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