Webvtt Python Packages

webvtt-py

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

pysubs2

A Python library for editing subtitle files

ttconv

Subtitle conversion library and CLI tool. Converts between STL, SRT, TTML, SCC, TTML and WebVTT files.

subtitle-parser

Parser for SRT and WebVTT subtitle files

subaligner

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

epub-to-m4b

Turn an EPUB into an M4B audiobook with a WebVTT transcript, using pluggable TTS engines.

srt-to-vtt

Python package for converting .srt files to .vtt files.

echoalign-asr-mlx

Local Apple Silicon CLI for ASR, subtitles, WebVTT/SRT, and timestamp-aligned JSON with MLX + Qwen3

cuewright

Transcribe speech, translate it, and produce subtitles you can verify. Timing and wording stay in separate files, so language tracks share one set of timestamps.

podcast-transcript-convert

Convert podcast transcripts from HTML, SRT, WebVtt, Podlove etc into PodcastIndex JSON.