Captions Python Packages

youtube-transcript-api

This is a python API which allows you to get the transcript/subtitles for a given YouTube video. It also works for automatically generated subtitles and it does not require an API key nor a headless browser, like other selenium based solutions do!

webvtt-py

Read, write, convert and segment WebVTT caption files in Python.

rev-ai

Rev AI Python SDK

ffsubsync

Automagically synchronize subtitles with video.

subaligner

Automatically synchronize and translate subtitles, or create new ones by transcribing, using pre-trained DNNs, Forced Alignments and Transformers. https://subaligner.readthedocs.io/

datasety

CLI tool for dataset preparation: resize, align, caption, shuffle, synthetic, and mask generation.

autosrt

a utility for automatic speech recognition and subtitle generation

midicap

Stand-alone, pure Python MIDI music captioner and analyzer

audio-subtitler

Extract vtt and srt subtitle using fast whisper

embedsrt

embedsrt is a simple command line tool made with python to embed a subtitle file into any video or audio files

musicalrecordingcaptioning

Caption recordings of musical theater, concerts, or any video with lyrics on Genius.com

vit-captioner

Video captioning tool: extract key‑frames with Katna/OpenCV & generate captions with a ViT+GPT‑2 model.

assy

Automatic subtitle synchronization tool.

srt3

srt3 is a simple library for parsing, modifying, and composing SRT files.

localcaption

🎬 Paste a YouTube URL → get a Whisper transcript. Fully local, zero API keys. yt-dlp + ffmpeg + whisper.cpp in one CLI.

tube-dl

Another Youtube Video Downloader for Python.

translatesrt

a utility for translating a subtitle file to another language

yt-transcript-fetcher

A python package to fetch YouTube video transcripts

pyautosrt

pyautosrt is a python based desktop app to generate subtitle and translated subtitle file

lcyt

HTTP POST (and JSON) closed caption sender for Youtube live videos. Containing Node.js and Python wrappers, a backend relay, a web client, two MCP's (stdio and HTTP SSE) and project site in Astro.

yt-transcript-extractor

CLI tool to extract YouTube transcripts and export to Markdown, JSON, TXT, and SRT

subsume

Language-agnostic synchronization of subtitles with video via speech detection.

ffsubs

Automagically synchronize subtitles with video.

caption-animator

Render SRT/ASS subtitle files into animated, alpha-channel video overlays with plugin-based animation system.