DEV-TOOLSApril 21, 20261 min read6 views

Show HN: VidStudio, a browser based video editor that doesn't upload your files

VidStudio is a powerful video editing tool that runs entirely in the browser using WebAssembly, ensuring 100% privacy as files never leave the user's device.

Private Video Processing in Your Browser

Powerful video tools that run entirely in your browser. No uploads to servers, no waiting - just private video processing.

100% PrivateFiles never leave your device

Lightning FastPowered by WebAssembly

No InstallWorks in any modern browser

Tools

Pick a tool to get started

Resize & Scale

Resize video online for free. Letterbox, crop, and format for YouTube, TikTok, Instagram & more.

Trim & Cut

Trim clips, remove sections, and pull out exactly the segments you need.

Drop Zone

Batch convert videos to a consistent MP4 format with professional encoding defaults.

Compress

Reduce file size with smart compression. Target exact sizes for upload limits, or use quality presets.

Audio Processing

Pull audio from video, convert, mix, and apply effects to audio. Supports extraction, effects, and mixing workflows.

Thumbnails

Extract frames, create storyboards, animated previews, and video sprites.

Watermark

Add image or text watermarks with positioning, transparency, timing, and movement effects.

Video Editor

Multi-track video editor with source monitor, frame-accurate seek, and WebCodecs decoding.

Subtitles & Text

Add text overlays, burn-in subtitles, extract tracks, and create animated text effects.

Source: Hacker News

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