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KX Toolkit
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Video Tools

Quick video conversions, compression, and trimming - straight from the browser. For creators, marketers, and editors who don't want to launch Premiere just to cut a clip.

Showing 6 of 6 tools

About Video Tools

Free Video Tools - a complete collection of utilities used by creators, marketers and editors every day. Convert, compress and trim video without uploading to a desktop editor.

Quick video conversions, compression and trimming - straight from the browser. Most tools work entirely in your browser, so your data stays on your device. Pick a tool below to get started.

FAQ

Questions about
Video Tools

Quick answers to what users ask before trying these tools.

Are videos uploaded to a server?
Most tools use FFmpeg-WASM to process video entirely in the browser - large files stay on your device. The 'AI-upscale' tool is the exception.
Why is video processing slow?
Browser-side encoding is single-threaded compared to native FFmpeg. For 1080p+ files longer than 5 minutes, expect a few minutes per minute of video.
Will the quality drop after conversion?
Container conversions (MKV→MP4) are lossless. Re-encoding (codec change, compression) is lossy - we default to high-quality presets.
What is the maximum file size?
Browser RAM dictates the ceiling - usually fine up to 2-3 GB. For larger files use a desktop tool.
Do the tools support 4K and HDR?
Yes - but check the result on a properly calibrated display. HDR metadata is preserved when re-encoding through the H.265 / AV1 presets.
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