Desktop app · v0.3.0 · macOS, Windows, Linux

Aether Renderer GUI

Core and capture in one window. Pick or drop your input, preview it, render. No terminal needed.

The Aether Renderer desktop app in light and dark mode

What it does

HTML to video

Open an HTML file or a web address, see it run at the exact output size, render it to a transparent video.

Code editor

Edit the HTML in the Code tab and the preview follows as you type. Save with ⌘S, or start from a template.

Frames to video

A folder or ZIP of PNG frames, as before. Drag and drop anything onto the window.

Size presets

Full HD, 4K, 9:16 Reels/TikTok/Shorts, 4:5, square and sticker sizes.

Background and fades

Keep transparency or fill it with a colour; fade in and out; fps, CRF and bitrate.

Report a bug

Send a bug report or a feature request from the app, with optional diagnostics you can read first.

Download v0.3.0

macOSIntel build, runs on Apple Silicon too Windows.msi installer Linux.AppImage

macOS: the app isn't signed yet, so the first time, right-click it and choose Open. Linux: chmod +x the AppImage and run it. All files: latest release · changelog

You'll also need

FFmpeg on your PATH. macOS: brew install ffmpeg, more in the install guide.

For HTML input, chrome-headless-shell. The app finds it in ~/.cache/puppeteer, or pick it in ⚙️ Settings:

npx @puppeteer/browsers install chrome-headless-shell@stable --path ~/.cache/puppeteer

Source on GitHub · Built with Tauri and Rust · For a friendlier tour, see web2vid.com