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https://github.com/r0oth3x49/udemy-dl

A cross-platform python based utility to download courses from udemy for personal offline use.
https://github.com/r0oth3x49/udemy-dl

cross-platform download-subtitles downloader linux macos python skip-captions udemy udemy-dl vtt-to-srt windows

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A cross-platform python based utility to download courses from udemy for personal offline use.

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# udemy-dl
**A cross-platform python based utility to download courses from udemy for personal offline use.**

[![udemy-dl-v1-1.png](https://i.postimg.cc/X7QpzY8q/udemy-dl-v1-1.png)](https://postimg.cc/zVHzL54Y)

### Warning

**Udemy has started to encrypt many of the course videos, so downloading them may be impossible/illegal because it involves decrypting DRM'd videos which opens up the author to DMCA takedowns/lawsuits. If you use udemy-dl and some/all videos are skipped, please don't open a new issue or comment that the issue still exists. All requests to bypass DRM/encryption will be ignored.**

If you'd like to see the full context, then read [issue 627](https://github.com/r0oth3x49/udemy-dl/issues/627).

### ***Important Note***:
- Don't share your credentials until the issue is properly tagged/labeled with **account-needed**.
- Owner of this repository is not responsible for any misuse if you share your credentials with strangers.

## ***Requirements***

- Python 3 only (`Now udemy-dl doesn't support python 2`)
- Python `pip`
- Python module `requests`
- Python module `colorama`
- Python module `unidecode`
- Python module `six`
- Python module `cloudscraper`
- Python module `requests[security]` or `pyOpenSSL`
- FFmpeg (to download hls based streams properly)

## ***Module Installation***

pip install -r requirements.txt

## ***HLS streams download requirements***
- You would need FFmpeg to be installed and added to environment variable so that udemy-dl can access.
- Download [FFmpeg from here](https://ffmpeg.org/download.html)
- On ubuntu you can install it via `apt install ffmpeg`.
- Add to environment variables then udemy-dl will be able to use it when downloading HLS streams.

## ***Tested on***

- Windows 7/8/8.1/10
- Ubuntu-LTS (tested with super user)

## ***Features***
- Added proper session management.
- Resume capability for a course video.
- Added proper logging errors and warnings.
- Support multiple courses download from file.
- Supports organization and individual udemy users both.
- Added support to download hls based streams if available.
- Added functionality to reset lecture number to start from 1.
- Added switch for session caching on demand. (option: `--cache`)
- Convert WebVTT to SRT but donot delete WebVTT. (option: `--keep-vtt`)
- Skip fetching HLS streams, This will make the fetching fast. (option: `--skip-hls`)
- List down course contents and video resolution, suggest the best resolution (option: `--info`).
- Download/skip all available subtitles for a video (options: `--sub-only, --skip-sub`).
- Download/skip all available assets for a video (options: `--assets-only, --skip-assets`).
- Download specific chapter in a course (option: `-c / --chapter`).
- Download specific lecture in a chapter (option: `-l / --lecture`).
- Download specific subtitle for a lecture (option: `-s / --sub-lang`).
- Download chapter(s) by providing range in a course (option: `--chapter-start, --chapter-end`).
- Download lecture(s) by providing range in a chapter (option: `--lecture-start, --lecture-end`).
- Download lecture(s) in requested resolution (option: `-q / --quality`).
- Download course to user requested path (option: `-o / --output`).
- Authentication using cookies (option: `-k / --cookies`).

### Before creating an issue, please do the following:

1. **Use the GitHub issue search** — check if the issue is already reported.
2. **Check if the issue is already fixed** — try to reproduce it using the latest `master` in the repository.
3. Make sure, that information you are about to report is related to this repository
and not the one available on ***Python's repository, PyPi***, Because this repository cannot be downloaded/installed via pip command.
4. Follow issue reporting template properly otherwise the issue will be closed.

## ***How to login with cookie***

The `cookies.txt` file should have the following simple format, eg:

```ini
access_token=JKU9QNs2IQDBKoYKvOBclSPXN97baf32o1Jo2L9vX
```

### Finding your access token value

- ***Firefox*** users : [guide by @01ttouch](https://github.com/r0oth3x49/udemy-dl/issues/389#issuecomment-491903900)
- ***Chrome*** users : [guide by @01ttouch](https://github.com/r0oth3x49/udemy-dl/issues/389#issuecomment-492569372)


## ***Download udemy-dl***

You can download the latest version of udemy-dl by cloning the GitHub repository.

git clone https://github.com/r0oth3x49/udemy-dl.git

## ***Usage***

***Download a course***

python udemy-dl.py COURSE_URL

***Download a courses from file***

python udemy-dl.py FILE-CONTAINING-COURSE-URLs

***Download course with specific resolution***

python udemy-dl.py COURSE_URL -q 720

***Download course to a specific location***

python udemy-dl.py COURSE_URL -o "/path/to/directory/"

***Download course with specific resolution to a specific location***

python udemy-dl.py COURSE_URL -q 720 -o "/path/to/directory/"

***Download specific chapter from a course***

python udemy-dl.py COURSE_URL -c NUMBER

***Download specific lecture from a chapter***

python udemy-dl.py COURSE_URL -c NUMBER -l NUMBER

***Download lecture(s) range from a specific chapter***

python udemy-dl.py COURSE_URL -c NUMBER --lecture-start NUMBER --lecture-end NUMBER

***Download chapter(s) range from a course***

python udemy-dl.py COURSE_URL --chapter-start NUMBER --chapter-end NUMBER

***Download specific lecture from chapter(s) range***

python udemy-dl.py COURSE_URL --chapter-start NUMBER --chapter-end NUMBER --lecture NUMBER

***Download lecture(s) range from chapter(s) range***

python udemy-dl.py COURSE_URL --chapter-start NUMBER --chapter-end NUMBER --lecture-start NUMBER --lecture-end NUMBER

***List down specific chapter from a course***

python udemy-dl.py COURSE_URL -c NUMBER --info

***List down specific lecture from a chapter***

python udemy-dl.py COURSE_URL -c NUMBER -l NUMBER --info

***Download specific subtite by using language code such as (en, es) if lang switch is not specified then default will be all subtitles***

python udemy-dl.py COURSE_URL --sub-lang en

## **Advanced Usage**



Author: Nasir khan (r0ot h3x49)

usage: udemy-dl.py [-h] [-v] [-u] [-p] [-k] [-o] [-q] [-c] [-l] [-s] [--chapter-start] [--chapter-end] [--lecture-start] [--lecture-end] [--info] [--cache]
[--keep-vtt] [--sub-only] [--skip-sub] [--skip-hls] [--assets-only] [--skip-assets]
course

A cross-platform python based utility to download courses from udemy for personal offline use.

positional arguments:
course Udemy course.

General:
-h, --help Shows the help.
-v, --version Shows the version.

Authentication:
-u , --username Username in udemy.
-p , --password Password of your account.
-k , --cookies Cookies to authenticate with.

Advance:
-o , --output Download to specific directory.
-q , --quality Download specific video quality.
-c , --chapter Download specific chapter from course.
-l , --lecture Download specific lecture from chapter(s).
-s , --sub-lang Download specific subtitle/caption (e.g:- en).
--chapter-start Download from specific position within course.
--chapter-end Download till specific position within course.
--lecture-start Download from specific position within chapter(s).
--lecture-end Download till specific position within chapter(s).

Others:
--info List all lectures with available resolution.
--cache Cache your session to avoid providing again.
--keep-vtt Keep WebVTT caption(s).
--sub-only Download captions/subtitle only.
--skip-sub Download course but skip captions/subtitle.
--skip-hls Download course but skip hls streams. (fast fetching).
--assets-only Download asset(s) only.
--skip-assets Download course but skip asset(s).

Example:
python udemy-dl.py COURSE_URL
python udemy-dl.py COURSE_URL -k cookies.txt
python udemy-dl.py -u [email protected] -p p4ssw0rd COURSE_URL

## ***TODO***
- Add support to download course on a flaky connection.