Local File Tools
Inspect, verify and transform selected files directly in your browser without uploading their contents or using downloader workers.
Private Video Splitter
Split a short browser-decodable video at an exact timestamp and download both WebM clips in one ZIP without uploading it.
Open tool →Private Reverse Video Maker
Reverse a bounded browser-decodable clip frame by frame and export a real WebM result without uploading the source.
Open tool →Private Video Loop Maker
Repeat a short browser-decodable clip two or three times into one WebM file without uploading the source video.
Open tool →Private Video Audio Extractor
Decode a browser-supported video's audio track and save it as a PCM WAV file without uploading the source video.
Open tool →Private Video Volume Changer
Apply an explicit gain to a short browser-decodable video's audio and export WebM without uploading the source clip.
Open tool →Private Video Peak Normalizer
Measure a short video's decoded PCM peak and normalize its audio to a selected dBFS target locally before exporting WebM.
Open tool →Private Video Audio Replacer
Replace a short browser-decodable video's original soundtrack with one selected audio file and export a real WebM without uploading either source.
Open tool →Private Audio and Video Mixer
Mix one short browser-decodable video's existing soundtrack with one selected audio file and export WebM without uploading either source.
Open tool →Private WebM to MP4 Converter
Convert an owned WebM recording into an MP4 that is easier to use in editors, presentations and device galleries without uploading the video.
Open tool →Private MOV to MP4 Converter
Turn an owned QuickTime MOV into an MP4 for broader browser and device playback while keeping the source file on your device.
Open tool →Private MKV to MP4 Converter
Prepare an owned Matroska video for MP4-only software without sending a large MKV file to a conversion service.
Open tool →Private MP4 to MOV Converter
Repackage an owned MP4 as a QuickTime MOV for a MOV-oriented production workflow entirely inside your browser.
Open tool →Private MP4 to MKV Converter
Move an owned MP4 into the flexible Matroska container locally for archiving or an MKV-based playback workflow.
Open tool →Private MP4 Subtitle Track Extractor
Extract embedded tx3g or WebVTT subtitle samples from an owned MP4 or MOV file and save a normalized SRT without uploading the video.
Open tool →Private Video to WebP Frame Exporter
Sample a short browser-decodable video into an ordered ZIP of WebP frames at a chosen quality without uploading the source clip.
Open tool →No matching tools on this page.