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Replay

A beautiful offline video queue for macOS.
Paste a link, let it download, and watch without the surrounding website.

Download the latest macOS build · All releases

CI Latest release MIT license

Screenshots

Replay playing a video with the offline queue and chapter timeline visible Replay playing a video with the chapter sidebar expanded

Install

  1. Download the latest build.
  2. Unzip it and move Replay.app into Applications.
  3. Because the open-source build is not yet Apple-notarized, Control-click the app and choose Open the first time.

The release is universal for Apple silicon and Intel Macs and includes yt-dlp, ffmpeg, and Deno. No Homebrew setup is required. Replay requires macOS 13 or newer.

Add something to watch

  • Copy any block of text containing one or many links, bring Replay forward, and press Command-V.
  • Paste into the field at the top of the queue.
  • Drag a URL, .webloc, or .url file onto the app window or its Dock icon.

New items download in the background and are stored locally for offline playback. YouTube and X are the main targets, and other non-DRM sites supported by yt-dlp may work too.

Highlights

  • Offline playback with a focused, distraction-free native player
  • Persistent resume position, playback speed, volume, subtitles, and chapter-pane state
  • YouTube creator chapters displayed in the timeline and a collapsible chapter inspector
  • Offline English subtitles when creator or automatic captions are available
  • Queue reordering, inline renaming, watched archive, thumbnails, and batch URL extraction
  • 10-second seek controls, keyboard shortcuts, media-key support, fullscreen, AirPlay, and a compact background player
  • Automatic retry after transient network failures and pause-on-Low-Power-Mode behavior
  • No autoplay after a download or relaunch

Keyboard and trackpad

Input Action
Command-V Add every URL on the clipboard
Space Play or pause
Left / Right Skip backward or forward 10 seconds
Up / Down Change playback speed by 0.1×
F Toggle video fullscreen
Vertical scroll over video Change volume

Why Deno is included

YouTube presents JavaScript challenges that yt-dlp needs to evaluate to discover the complete set of playable formats. Deno is yt-dlp's recommended restricted JavaScript runtime for that job. It is not used to render the app UI and is only launched by yt-dlp while resolving supported videos.

The release also bundles a portable ffmpeg build for merging separate video and audio streams, thumbnail conversion, and subtitle conversion. The runtime tools and their license notices live inside the app at Contents/Resources.

Data and privacy

  • Downloaded media: ~/Movies/Replay
  • Queue metadata: ~/Library/Application Support/Replay/queue.json
  • No analytics, accounts, or cloud sync
  • No browser-cookie import
  • No DRM decryption

Use Replay only for media you are authorized to download. Site terms and copyright rules still apply.

Build from source

git clone https://github.com/grinich/replay.git
cd replay
./scripts/build_app.sh
./scripts/test.sh

The development build is written to dist/Replay.app. It uses bundled runtime tools when supplied by the release packager, then falls back to Homebrew paths for local development:

brew install yt-dlp ffmpeg deno

To create the same self-contained universal archive published on GitHub:

./scripts/package_release.sh

The first packaging run downloads checksum-verified yt-dlp and Deno release binaries and builds a portable LGPL ffmpeg from official source. Subsequent builds reuse the cached runtime artifacts under .build.

Release workflow

main is built and tested by GitHub Actions. A tag matching the version in Resources/Info.plist, such as v0.4.0, triggers the release workflow, which:

  1. Builds arm64 and x86_64 app binaries and combines them into a universal app.
  2. Bundles universal yt-dlp, ffmpeg, and Deno runtimes plus license notices.
  3. Verifies the app signature and runtime executables.
  4. Publishes Replay-macOS.zip and its SHA-256 checksum to GitHub Releases.

See CONTRIBUTING.md for contribution and release details.

License

Replay is available under the MIT License. Bundled runtime components retain their respective upstream licenses.

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A beautiful offline video queue for macOS.

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