cobalt/README.md

# cobalt
Best way to save what you love.  
Main instance: [co.wukko.me](https://co.wukko.me/)  

![cobalt logo with repeated logo pattern background](https://raw.githubusercontent.com/wukko/cobalt/current/src/front/icons/pattern.png "cobalt logo with repeated logo pattern background")  

[![Crowdin](https://badges.crowdin.net/cobalt/localized.svg)](https://crowdin.com/project/cobalt) [![DeepSource](https://deepsource.io/gh/wukko/cobalt.svg/?label=active+issues&token=MsmsJ9zUOKwcQor0yaiFot84)](https://deepsource.io/gh/wukko/cobalt/?ref=repository-badge) [![DeepSource](https://deepsource.io/gh/wukko/cobalt.svg/?label=resolved+issues&token=MsmsJ9zUOKwcQor0yaiFot84)](https://deepsource.io/gh/wukko/cobalt/?ref=repository-badge)

## What's cobalt?
cobalt is a social and media platform downloader that doesn't piss you off.

It's fast, friendly, and doesn't have any bullshit that modern web is filled with: no ads, trackers, or analytics.  
Paste the link, get the video, move on. It's that simple. Just how it should be.

## Supported services
| Service                 | Video + Audio | Only audio  | Only video  | Additional notes or features                                                                                              |
| --------                | :---:         | :---:       | :---:       | :-----                                                                                                                    |
| bilibili.com            | ☑️           | ☑️         | ☑️         |                                                                                                                           |
| Instagram               | ☑️           | ☑️         | ☑️         | Ability to pick what to save from multi-media posts.                                                                      |
| Instagram Reels         | ☑️           | ☑️         | ☑️         |                                                                                                                           |
| Reddit                  | ☑️           | ☑️         | ☑️         | Support for GIFs and videos.                                                                                              |
| SoundCloud              | ➖           | ☑️         | ➖         | Audio metadata, downloads from private links.                                                                             |
| TikTok                  | ☑️           | ☑️         | ☑️         | Supports downloads of: videos with or without watermark, images from slideshow without watermark, full (original) audios. |
| Tumblr                  | ☑️           | ☑️         | ☑️         |                                                                                                                           |
| Twitter                 | ☑️           | ☑️         | ☑️         | Ability to pick what to save from multi-media tweets.                                                                     |
| Twitter Spaces          | ☑️           | ☑️         | ☑️         | Audio metadata with all participants and other info.                                                                      |
| Vimeo                   | ☑️           | ☑️         | ☑️         | Audio downloads are only available for dash files.                                                                        |
| Vine Archive            | ☑️           | ☑️         | ☑️         |                                                                                                                           |
| VK Videos               | ☑️           | ❌         | ❌         |                                                                                                                           |
| VK Clips                | ☑️           | ❌         | ❌         |                                                                                                                           |
| YouTube Videos & Shorts | ☑️           | ☑️         | ☑️         | Support for 8K, 4K, HDR, and high FPS videos. Audio metadata & dubs. h264/av1/vp9 codecs.                                 |
| YouTube Music           | ➖           | ☑️         | ➖         | Audio metadata.                                                                                                           |

This list is not final and keeps expanding over time, make sure to check it once in a while!  

## cobalt API
cobalt has an open API that you can use in your projects for **free**.  
It's easy and straightforward to use, [check out the docs](https://github.com/wukko/cobalt/blob/current/docs/API.md) and see for yourself.

## How to contribute translations
You can translate cobalt to any language you want on [cobalt's Crowdin](https://crowdin-co.wukko.me/). Feel free to ignore QA errors if you think you know better. If you don't see a language you want to translate cobalt to, open an issue, and I'll add it to Crowdin.

### Translation guidelines:
- Text is **ALWAYS** stylized as **lowercase** unless it's STRESSED LIKE THIS or is an internal value like `{ContactLink}` or `{appName}`. 
    - Example: "`this is a live video, i am yet to learn how to look into future. wait for the stream to finish and try again!`".  
    *Notice how **everything is lowercase**, no matter the punctuation marks? Yes, that's cobalt's style and you have to follow it.*
- Avoid extremely formal language, leave it for big and classy tech companies. Use informal language wherever possible.
- You can (and should) rephrase sentences as long as they keep the same sense and send the same message as original.
- Do **NOT** use offensive or explicit vocabulary.
- Check if there are issues in UI with your localization and optimize it accordingly. If impossible, open an issue.
- Be nice.

## Host an instance yourself
### Requirements
- Node.js 18 or above
- git

Setup script installs all needed `npm` dependencies, but you have to install `Node.js` and `git` yourself.

1. Clone the repo: `git clone https://github.com/wukko/cobalt`
2. Run setup script and follow instructions: `npm run setup`
3. Run cobalt via `npm start`
4. Done.

### Ubuntu 22.04+ workaround
`nscd` needs to be installed and running so that the `ffmpeg-static` binary can resolve DNS ([#101](https://github.com/wukko/cobalt/issues/101#issuecomment-1494822258)):

```bash
sudo apt install nscd
sudo service nscd start
```

### Docker
It's also possible to run cobalt via Docker, but you **need** to set all environment variables yourself:

| Variable     | Description     | Example                                                   | 
| --------     | :---            | :---                                                      |
| `selfURL`    | Instance URL    | `http://localhost:9000/` or `https://co.wukko.me/` or etc |
| `port`       | Instance port   | `9000`                                                    |
| `cors`       | CORS toggle     | `0`                                                       |

## Disclaimer
cobalt is my passion project, so update schedule depends solely on my free time, motivation, and mood.  
Don't expect any consistency in that.

## License
cobalt is under [AGPL-3.0](https://github.com/wukko/cobalt/blob/current/LICENSE) license.  
[Fluent Emoji](https://github.com/microsoft/fluentui-emoji) used in the project is under [MIT](https://github.com/microsoft/fluentui-emoji/blob/main/LICENSE) license.