# muxTools > Private, browser-based media tools for video and audio engineering. All processing happens locally on the user's device using WebAssembly (FFmpeg.wasm and Mediabunny), ensuring 100% privacy with zero file uploads. muxTools is a suite of professional-grade media utilities designed for speed and security. It leverages modern web technologies to perform complex video and audio transformations that traditionally require server-side processing or heavy desktop software. ## Media Tools - [Video Converter](https://muxtools.com/video-converter): Universal format conversion - [Video Compressor](https://muxtools.com/video-compressor): Intelligent size reduction - [Video Trimmer](https://muxtools.com/video-trimmer): Non-linear segment cutting - [Video Merger](https://muxtools.com/video-merger): Multi-file concatenation - [Video Splitter](https://muxtools.com/video-splitter): Smart chunking system - [Video Rotator](https://muxtools.com/video-rotator): Orientation correction - [Speed Controller](https://muxtools.com/video-speed): Playback rate adjustment - [Resolution Changer](https://muxtools.com/video-resolution): Scale to 4K/1080p/720p - [Frame Rate](https://muxtools.com/video-frame-rate): Motion smoothing (FPS) - [Video to GIF](https://muxtools.com/video-to-gif): High-quality animation - [Video Cropper](https://muxtools.com/video-cropper): Visual area selection - [Video Reverse](https://muxtools.com/video-reverse): Creative backward play - [Add Watermark](https://muxtools.com/video-watermark): Branding & protection - [Remove Audio](https://muxtools.com/video-remove-audio): Audio track stripping - [Video Looper](https://muxtools.com/video-looper): Seamless repetition - [Audio Converter](https://muxtools.com/audio-converter): Lossless format switching - [Audio Compressor](https://muxtools.com/audio-compressor): Bitrate optimization - [Audio Trimmer](https://muxtools.com/audio-trimmer): Precise waveform cutting - [Audio Merger](https://muxtools.com/audio-merger): Combine multiple tracks - [Audio Splitter](https://muxtools.com/audio-splitter): Segment by time or count - [Extract Audio](https://muxtools.com/video-to-audio): Video-to-audio extraction - [Volume Changer](https://muxtools.com/audio-volume): Gain & attenuation - [Audio Normalizer](https://muxtools.com/audio-normalize): Loudness equalization - [Audio Speed](https://muxtools.com/audio-speed): Tempo without pitch shift - [Bitrate Converter](https://muxtools.com/audio-bitrate): Specific bitrate control - [Audio Reverse](https://muxtools.com/audio-reverse): Reverse audio streams - [Mono to Stereo](https://muxtools.com/audio-mono-stereo): Channel layout conversion - [Audio Fade](https://muxtools.com/audio-fade): Fade-in/out transitions ## Documentation - [Video Converter Guide](https://muxtools.com/docs/video-converter): Step-by-step instructions, settings explanation, and use cases for the video converter tool. - [Video Compressor Guide](https://muxtools.com/docs/video-compressor): Step-by-step instructions, settings explanation, and use cases for the video compressor tool. - [Video Trimmer Guide](https://muxtools.com/docs/video-trimmer): Step-by-step instructions, settings explanation, and use cases for the video trimmer tool. - [Video Merger Guide](https://muxtools.com/docs/video-merger): Step-by-step instructions, settings explanation, and use cases for the video merger tool. - [Video Splitter Guide](https://muxtools.com/docs/video-splitter): Step-by-step instructions, settings explanation, and use cases for the video splitter tool. - [Video Rotator Guide](https://muxtools.com/docs/video-rotator): Step-by-step instructions, settings explanation, and use cases for the video rotator tool. - [Video Speed Guide](https://muxtools.com/docs/video-speed): Step-by-step instructions, settings explanation, and use cases for the video speed tool. - [Resolution Changer Guide](https://muxtools.com/docs/video-resolution): Step-by-step instructions, settings explanation, and use cases for the resolution changer tool. - [Frame Rate Guide](https://muxtools.com/docs/video-frame-rate): Step-by-step instructions, settings explanation, and use cases for the frame rate tool. - [Video to GIF Guide](https://muxtools.com/docs/video-to-gif): Step-by-step instructions, settings explanation, and use cases for the video to gif tool. - [Video Cropper Guide](https://muxtools.com/docs/video-cropper): Step-by-step instructions, settings explanation, and use cases for the video cropper tool. - [Video Reverse Guide](https://muxtools.com/docs/video-reverse): Step-by-step instructions, settings explanation, and use cases for the video reverse tool. - [Add Watermark Guide](https://muxtools.com/docs/video-watermark): Step-by-step instructions, settings explanation, and use cases for the add watermark tool. - [Remove Audio Guide](https://muxtools.com/docs/video-remove-audio): Step-by-step instructions, settings explanation, and use cases for the remove audio tool. - [Video Looper Guide](https://muxtools.com/docs/video-looper): Step-by-step instructions, settings explanation, and use cases for the video looper tool. - [Audio Converter Guide](https://muxtools.com/docs/audio-converter): Step-by-step instructions, settings explanation, and use cases for the audio converter tool. - [Audio Compressor Guide](https://muxtools.com/docs/audio-compressor): Step-by-step instructions, settings explanation, and use cases for the audio compressor tool. - [Audio Trimmer Guide](https://muxtools.com/docs/audio-trimmer): Step-by-step instructions, settings explanation, and use cases for the audio trimmer tool. - [Audio Merger Guide](https://muxtools.com/docs/audio-merger): Step-by-step instructions, settings explanation, and use cases for the audio merger tool. - [Audio Splitter Guide](https://muxtools.com/docs/audio-splitter): Step-by-step instructions, settings explanation, and use cases for the audio splitter tool. - [Extract Audio Guide](https://muxtools.com/docs/video-to-audio): Step-by-step instructions, settings explanation, and use cases for the extract audio tool. - [Volume Changer Guide](https://muxtools.com/docs/audio-volume): Step-by-step instructions, settings explanation, and use cases for the volume changer tool. - [Audio Normalizer Guide](https://muxtools.com/docs/audio-normalize): Step-by-step instructions, settings explanation, and use cases for the audio normalizer tool. - [Audio Speed Guide](https://muxtools.com/docs/audio-speed): Step-by-step instructions, settings explanation, and use cases for the audio speed tool. - [Bitrate Converter Guide](https://muxtools.com/docs/audio-bitrate): Step-by-step instructions, settings explanation, and use cases for the bitrate converter tool. - [Audio Reverse Guide](https://muxtools.com/docs/audio-reverse): Step-by-step instructions, settings explanation, and use cases for the audio reverse tool. - [Mono to Stereo Guide](https://muxtools.com/docs/audio-mono-stereo): Step-by-step instructions, settings explanation, and use cases for the mono to stereo tool. - [Audio Fade Guide](https://muxtools.com/docs/audio-fade): Step-by-step instructions, settings explanation, and use cases for the audio fade tool. ## Technical Implementation - [Local Processing]: Powered by Mediabunny and FFmpeg.wasm for client-side execution. - [Privacy Policy](https://muxtools.com/privacy): Our strict "zero-data-collection" policy. - [Sitemap](https://muxtools.com/sitemap.xml): Machine-readable index of all pages. ## Optional - [Mediabunny Documentation](https://github.com/mowshon/mediabunny): The underlying engine for high-performance browser media processing.