Building, upstream tracking and YTSage's own README moved to the wiki; README
points there.
The history is not rewritten, unlike every other repository here. This one
still merges from oop7/YTSage and a rewrite would change every commit id, which
costs more than a clean history is worth in a fork. .github/ and
readme-translations/ are upstream's files and stay where upstream put them.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
sudo apt-get install -f # Fix missing dependencies if needed
```
- **RPM (`.rpm`)**:
```bash
sudo rpm -i ytsage-*.rpm
```
- **AppImage (`.AppImage`)**:
```bash
chmod +x YTSage-*.AppImage
./YTSage-*.AppImage
```
- **Flatpak**: Follow instructions on Flathub or run:
```bash
flatpak install flathub io.github.oop7.ytsage
```
</details>
#### 🍎 macOS
| Format | Description |
|--------|-------------|
|  | Zipped Application for Apple Silicon |
|  | Disk Image Installer for Apple Silicon |
<details>
<summary>🛠️ Installation Steps</summary>
- **DMG Installer (`.dmg`)**: Double-click to mount, then drag `YTSage.app` to your Applications folder.
- **Application Archive (`.zip`)**: Extract the zip and move `YTSage.app` to your Applications folder.
*Note: If you encounter an "Application is damaged" error, see the macOS troubleshooting section below.*
- **Save Download Path:** Saves the default download path for future downloads. Available in **Download Settings → Download Path**.
- **Default Video Resolution:** Set your preferred default video resolution for auto-selection (e.g., 1080p, 720p). Available in **Download Settings → Default Video Resolution**.
- **Default Subtitle Languages:** Set default subtitle languages for auto-selection (comma-separated, e.g., `en,es`). Available in **Download Settings → Default Subtitle Languages**.
- **Output Filename Format:** Customize the output filename format using variables like `%(title)s`, `%(uploader)s`, `%(playlist_index)s`, and `%(resolution)s`. Available in **Download Settings → Filename Format**.
- **Force Output Format:** Force video downloads into a specific container format like `mp4`, `webm`, or `mkv`. Available in **Download Settings → Output Format Settings**.
- **Audio Format Conversion:** Convert audio-only downloads into preferred formats such as `AAC`, `MP3`, `FLAC`, `WAV`, `Opus`, `M4A`, `Vorbis`, or `Best`. Available in **Download Settings → Audio Format Settings**.
- **Audio Normalization:** Standardize volume for audio-only downloads using EBU R128.
- **Concurrent Connections:** Dramatically increase download speed by downloading files in multiple fragments simultaneously. Available in **Download Settings → General → Concurrent Connections** (Default is 1, maximum recommended is 8-10 to avoid IP throttling).
</details>
<details>
<summary>🌐 Access & Network</summary>
- **Login with Cookies:** Log in to YouTube using cookies to access private content.
How to use it:
1. **Recommended:** Use the built-in `Extract cookies from browser` option in the app, then select your browser and optionally a profile.
2. Alternatively, extract cookies manually:
a. Export browser cookies using an extension like [cookie-editor](https://github.com/moustachauve/cookie-editor?tab=readme-ov-file)
b. Copy cookies in Netscape format
c. Create a file named `cookies.txt` and paste cookies
d. Select the `cookies.txt` file in the app
- **Proxy Support:** Use a proxy server for downloads, e.g., `http://<proxy-server>:<port>`
- **Generic Mode:** Allows YTSage to analyze and download from non-YouTube sites supported by yt-dlp. Enable from **Download Settings → Generic Mode**.
</details>
<details>
<summary>🛠️ Tools & Maintenance</summary>
- **Custom Commands:** Access advanced yt-dlp features via command-line arguments.
- **Updater Tab:** Manage built-in update tools from one place in Custom Options:
- **yt-dlp Updates:** Check for updates and toggle between Stable and Nightly release channels.
- **FFmpeg Version Checker:** Check your FFmpeg version and open installation guides.
- **Deno Updates:** Check and update the Deno runtime.
- **FFmpeg/yt-dlp/Deno Detection:** Automatically detects paths and versions for FFmpeg, yt-dlp, and Deno from the About dialog.
- **Download History:** View past downloads with thumbnails and statuses from the **History** button.
</details>
<details>
<summary>🌍 Localization</summary>
YTSage supports **14 languages** for global accessibility. Select your preferred language in **Custom Options → Language**.
> 💡 **Want to contribute a translation?** Check out the [Contributing](#contributing) section to help us add more languages!
</details>
<a id="troubleshooting"></a>
## 🛠️ Troubleshooting
<details>
<summary>Click to view common issues and solutions</summary>
- **Format table not appearing:** Update yt-dlp to latest version and switch to nightly yt-dlp.
- **Download failed:** Check your internet connection and ensure the video is available.
- **Specific Download Errors:**
- **Private Videos:** Use cookie authentication to access private content.
- **Age-Restricted Content:** Log in to your YouTube account to view age-restricted videos.
- **Geo-Blocked Videos:** Consider using a VPN to bypass regional restrictions.
- **Deleted Videos:** Video is no longer available on YouTube.
- **Live Streams:** Live streams cannot be downloaded; wait for the broadcast to end.
- **Network Errors:** Check your internet connection and try again.
- **Invalid URLs:** Ensure the URL is correct and from a supported platform.
- **Premium Content:** Requires a YouTube Premium subscription.
- **Copyright Blocks:** Content is blocked due to copyright restrictions.
- **Video and Audio Files separate after download:** This happens when FFmpeg is missing or not detected. YTSage requires FFmpeg to merge high-quality video and audio streams.
- **Solution:** Ensure FFmpeg is installed and accessible in your system's PATH. For Windows users, the easiest option is to download the `YTSage-v<version>-ffmpeg.exe` file, which comes bundled with FFmpeg.
---
#### 🛡️ Windows Defender / Antivirus Warning
Some antivirus software may flag `.exe` files as false positives. This is a **known limitation** of packaged applications.
**Why this happens:**
- Antivirus heuristics can mistakenly identify packaged executables as suspicious.
- ✅ **Build from Source**: by following this [guide](.github/CI_CD_README.md)
- ✅ **Whitelist the app** in your antivirus software.
#### 🍎 macOS: "Application is damaged and cannot be opened"
If you see this error on macOS Sonoma or newer, you need to remove the quarantine attribute.
1. **Open Terminal** (you can find this using Spotlight).
2. **Type the following command** but **do not** press Enter yet. Make sure to include the space at the end:
```bash
xattr -d com.apple.quarantine
```
3. **Drag the `YTSage.app` file** from your Finder window and drop it directly into the Terminal window. This will automatically paste the correct file path.
4. **Press Enter** to run the command.
5. **Try opening YTSage.app again.** It should now launch correctly.
If YTSage saves you time, please consider sponsoring the project. Sponsoring helps cover development time, testing across all platforms, and future improvements.
This tool is for personal use only. Please respect YouTube's Terms of Service and content creator rights.
---
<div align="center">
Made with ❤️ by [oop7](https://github.com/oop7)
</div>
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