Top 10 Python Subtitle libraries in 2024

Python Subtitle Library works with formats like Advanced SubStation, MicroDVD, SubRip, and SubStation Alpha. It can parse and modify existing subtitle files and create new ones. This library supports advanced features like karaoke effects, time shifting, and typesetting.   

Python Subtitle library helps automatically synchronize subtitle files with video or audio files. It will use audio fingerprinting to detect the timing errors in the subtitle files and correct them automatically. This library will help download and synchronize subtitles for movies and TV shows. It also supports merging and splitting subtitle files, time shifting, etc. These libraries can be used for subtitle-related tasks like modifying, parsing, and creating subtitle files, synchronizing subtitles with video or audio files, and downloading subtitles from online sources.  

Here is a list of the top 10 Python Subtitle Libraries that developers handpick for working with subtitle files: 

ffsubsync: 

• Is a Python library that uses FFmpeg to synchronize subtitle files with video or audio files.  
• Works by analyzing the audio waveform and subtitle timestamps for detecting and correcting synchronization errors.  
• Can also perform a dry run to estimate the synchronization error without modifying the original file.   

video-subtitle-extractor: 

• Supports various advanced options like choosing a specific subtitle format, specifying the output encoding, and specifying the subtitle stream index. 
• Is a Python library that is useful for extracting subtitles from video files. 
• Can be used in different scenarios, like if the original subtitle file is lost or if the video file contains embedded subtitles that need to be extracted.   

Medusa: 

• Is a Python library for working with subtitle files that can be used for downloading, searching, and managing subtitle files for movies and TV shows.   
• Supports various subtitle sources like Subscene, Addic7ed, and OpenSubtitles.  
• Has a web-based interface that can manage the media library, movie details, view episodes, and configure various settings.   

WebTools.bundle: 

• Is a powerful tool for extending and managing the functionalities of Plex used for enhancing the user experience and adding additional features to the media server.  
• Is a plugin for the Plex Media Server which offers various useful tools to manage media libraries like subtitle downloading, media conversion, and metadata editing. 
• Can be used for managing Plex server configuration, like managing server settings, installing and updating plugins and themes, and creating and restoring backups. 

youtube-transcript-api: 

• Is a Python library that allows you to retrieve the transcripts of YouTube videos. 
• Works by scraping the YouTube website and extracting the transcript text from the video’s webpage.  
• Can be used in different scenarios like if you need to analyze the content of a video or create subtitles for the video.  

Auto-Synced-Translated-Dubs: 

• Is a collection of pre-made subtitle files which have been automatically synchronized and translated for various TV shows and movies. 
• Have been synchronized with the corresponding video files to be correctly timed with the video and audio.  
• Can use the subtitle files as the starting point and edit them manually to improve accuracy or adjust the timing.   

subfinder: 

• Is a Python library that offers a simple and easy-to-use interface to search for and download TV and movie subtitles. 
• Supports different subtitle formats like ASS, VTT, SRT, and SSA. 
• Supports different options like filtering out low-quality subtitles, specifying the source for the subtitles, and specifying the language of the subtitles.  

subtitle-downloader: 

• Is a Python library that offers an easy-to-use for downloading subtitles for TV shows and movies from different subtitle websites. 
• Can be used in different scenarios like if you want to create your own subtitles for a video or if you want to watch a movie in a language you are not fluent with. 
• Supports various options, like selecting a specific subtitle website to search, specifying the language of the subtitles, and specifying the output format of the subtitle file, among others. 

GetSubtitles: 

• Allows you to specify the language of the subtitles and download the subtitles for different TV shows or movies at once. 
• Supports various subtitle sources like YIFY Subtitles, OpenSubtitles, and Subscene. 
• Is a useful tool for searching and downloading subtitles for TV shows or movies and can be used in different scenarios like improving the accessibility of your media content.   

netflix-to-srt: 

• Is a Python library that offers a simple and easy-to-use interface for converting Netflix subtitles to the SRT subtitle format.  
• Can be used to extract subtitles from Netflix videos and save them in the SRT format, a widely used subtitle format that supports media players and subtitle editors.   
• Can be used in different scenarios, like if you want to create subtitles in a format compatible with most media players and subtitle editors or if you want to add Netflix subtitles.