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YTSage

Modern YouTube downloader with a clean PySide6 interface for downloading videos, extracting audio, fetching subtitles, and more, built on yt-dlp.

Alternative to: 4K Video Downloader and yt-dlp
YouTube Downloader Open Source MIT License Cross Platform Media Tools Python yt-dlp
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About YTSage

YTSage is a modern YouTube downloader featuring a clean PySide6 desktop interface, built on top of yt-dlp for reliable download performance. It supports one-click downloads for video, audio-only extraction, and subtitles, with advanced features like SponsorBlock integration to skip sponsored segments, subtitle merging, playlist selection and export, and chapter embedding. An optional Generic Mode extends support to non-YouTube sites covered by yt-dlp, such as Dailymotion, CBC Gem, and TikTok. Additional tools include a speed limiter, video section trimming, audio format conversion (MP3, FLAC, WAV, Opus, and more), audio normalization via EBU R128, concurrent connection downloading, custom output filename formatting, cookie-based login for private or age-restricted content, proxy support, and a built-in updater for yt-dlp, FFmpeg, and Deno. The app is cross-platform, distributed via PyPI, prebuilt executables for Windows, Linux, and macOS (including AppImage, Flatpak, DEB, and RPM formats), and is localized in 14 languages. YTSage is released under the MIT License and intended for personal use, respecting YouTube's Terms of Service and content creator rights.

Key Features

  • One-click video, audio, and subtitle downloads
  • SponsorBlock integration to remove sponsored segments
  • Subtitle selection, merging, and multi-language support
  • Playlist download with selector and export (.txt, .csv, .m3u, .json)
  • Generic Mode for non-YouTube sites supported by yt-dlp
  • Video section trimming and download speed limiter
  • Audio format conversion (MP3, FLAC, WAV, Opus, AAC, M4A, Vorbis)
  • Audio normalization (EBU R128)
  • Chapter embedding and thumbnail/description saving
  • Cookie-based login for private and age-restricted content
  • Proxy support and concurrent connection downloading
  • Built-in updater for yt-dlp, FFmpeg, and Deno
  • Custom output filename formatting and forced container formats
  • Download history with thumbnails and status
  • Localized in 14 languages
  • Cross-platform installers for Windows, macOS, and Linux

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