Sync & Edit Multi-Cam Video
Entirely in Your Browser
Zero uploads, zero wait times. VideoSync aligns and slices up to 8 camera angles instantly using audio waveforms with absolute frame accuracy. Renders and exports ProRes or H.265 locally on your CPU.
A Complete Multi-Cam Suite, Re-imagined
Forget heavy, complex desktop installations. VideoSync brings state-of-the-art non-linear syncing, slicing, and serverless rendering directly to your browser. Click on a category below to preview the engine in action.
Audio Auto-Sync — Instant Delay Calibration
VideoSync extracts local audio tracks and runs 7 distinct mathematical correlation algorithms. Calculates offsets with frame-accurate microsecond precision. No cloud uploads, no bandwidth, zero waiting.
Is it a good fit for
Egocentric Video?
Yes, and here is why. The egocentric video market—driven by smart glasses (Meta Horizon, Ray-Ban, Apple Vision Pro), action cams (GoPro, DJI Action), and wearable body cams—relies heavily on capturing reality from multiple points of view simultaneously.
A modern first-person content creator doesn't just record from their glasses. A typical setup looks like this:
⚠️ Manual alignment is an absolute nightmare because smart glasses and action cams are turned on/off at slightly different times.
The 7-Engine Auto-Sync Suite
Wearable cameras capture unique audio footprints (e.g. smart glasses mic next to mouth, GoPro yards away in wind). Our Spectral FFT Multi-Band and Audio Waveform Cross-Correlation engines cut through that varied audio data to align the clips instantly.
Perceptual Frame Hashing (dHash)
If an athlete is recording a run or a mechanic is recording a repair in a noisy environment where audio syncing fails, our video-based engine matches visual markers across the feeds to lock them in place.
One-Click Social Presets (9:16)
Most first-person content is made for mobile platforms (TikTok, Reels, Shorts). Turn horizontal multi-cam action footage into vertical 9:16 center-cropped clips instantly without leaving the browser.
Other Key Audiences We Suit Best
Beyond egocentric content, VideoSync Studio is a highly disruptive tool for three specific high-value domains:
Digital Podcasts
Sweet SpotIndependent podcasters and media agencies running multi-mic, 3-camera layouts (Host A, Host B, wide shot). Slicing 1-hour recordings manually takes hours.
Our "Click-to-Cut" Multi-View Grid and Keyboard-Driven Switching (keys 1–8) completely change the game. Producers play the timeline in real-time, tap numbers to switch angles like a live TV director, and wrap cuts in record time.
Content Factories
High VolumeContent agencies turning long-form client footage into dozens of daily micro-clips face massive cloud rendering limits and spend hours uploading gigabytes of raw files.
VideoSync runs entirely via WebAssembly and WebCodecs locally—resulting in zero upload wait time. Files load instantly via local HTML5 object URLs, and Lossless Fast Stream-Copy exports cuts in seconds.
Secure Services
100% Client-SideOrganizations recording corporate town halls, legal depositions, or multi-angle surgical training simulations handle highly sensitive data and face massive compliance risks uploading raw files.
Our serverless, browser-native architecture guarantees that data never leaves the local machine. This premium privacy provides total offline desktop security inside the browser.
Unlock High-Performance ProRes & 4K Output
Upgrade your account to bypass camera upload limits and unlock professional broadcast codecs (H.265 & ProRes_ks), 4K export presets, and unlimited Supabase cloud synced timeline backups.