Video Subtitle Extract

Extract subtitle tracks from video files in their original format (no conversion)

Click to upload file or drag and drop file here

Maximum file size: 100MB Supported formats: video/*

Extract specific subtitle track by index (0-based) or "all" to extract all subtitle tracks

Key Facts

Category
Images, Audio & Video
Input Types
file, text
Output Type
file
Sample Coverage
4
API Ready
Yes

Overview

The Video Subtitle Extract tool allows you to quickly extract embedded subtitle tracks directly from your video files in their original format without any quality loss or conversion. Simply upload your video, specify whether you want to extract a specific track or all tracks, and download the raw subtitle files like SRT, ASS, or VTT.

When to Use

  • •When you need to extract embedded soft subtitles from an MKV or MP4 video file to edit them in a text editor.
  • •When you want to translate a video's existing subtitle track without re-transcribing the audio from scratch.
  • •When you need to back up or archive subtitle tracks separately from the heavy video container file.

How It Works

  • •Upload your video file (such as MP4, MKV, or AVI) containing embedded subtitle tracks.
  • •Specify the target subtitle track index (e.g., '0' for the first track) or leave it as 'all' to extract every available track.
  • •Click the extract button to process the file and download the extracted subtitle files in their original format (like SRT, ASS, or VTT).

Use Cases

Extracting multi-language subtitle tracks from MKV movies to translate or proofread the text.
Separating ASS styling tracks from anime videos to customize fonts or timing in subtitle editors.
Retrieving closed captions from recorded lectures or presentations for archiving and search indexing.

Examples

1. Extracting Multi-Language Subtitles for Translation

Localization Specialist
Background
A localization specialist needs to translate a promotional video that already contains embedded French and Spanish subtitle tracks, but they do not have the original standalone subtitle files.
Problem
They need to extract both subtitle tracks quickly without re-encoding the video or losing the original timing data.
How to Use
Upload the MP4 video file, set the Subtitle Track option to 'all', and run the extractor.
Example Config
videoFile: promo_video.mp4, subtitleIndex: all
Outcome
The tool extracts two separate subtitle files (e.g., track_0.srt and track_1.srt) in their original format, ready for translation.

2. Retrieving Advanced Styling Subtitles from Anime MKV

Video Editor
Background
An editor wants to study the advanced typesetting and styling of an ASS subtitle track embedded inside an MKV video container.
Problem
They need to extract the exact ASS file with all its original style definitions and fonts intact, without converting it to plain SRT.
How to Use
Upload the MKV video file, enter '0' in the Subtitle Track field to target the primary subtitle track, and start the extraction.
Example Config
videoFile: episode_01.mkv, subtitleIndex: 0
Outcome
The tool extracts the original .ass subtitle file containing all style overrides, fonts, and positioning tags exactly as stored in the video.

Try with Samples

video, file
Video Samples
Sample video files in different formats and orientations
title token video
video
Video AV1 Samples
Sample video files encoded in AV1 format
title token video
video
Video H.264 Samples
Sample video files encoded in H.264 (AVC) format
title token video
video
Video H.265 Samples
Sample video files encoded in H.265 (HEVC) format
title token video
video

Related Hubs

Video-to-Audio and Animation Conversion Tools
Compare tools that turn video into audio, extract video streams, and convert between short-form video and animated image formats in one hub.
Video Preview, Extraction, and Subtitle Tools
Compare video preview generation, stream extraction, audio extraction, subtitle translation, and quick flip tools in one hub for lightweight video prep workflows.
Audio Encoding and Format Conversion Tools
Compare audio format conversion, bitrate changes, sample-rate conversion, codec swaps, and export tools in one hub for delivery and archive workflows.
Image Format Conversion and Animated Export Tools
Compare image format converters for JPG, PNG, GIF, AVIF, WebP, TIFF, ICO, base64, and animation-friendly exports in one hub.

FAQ

What video formats are supported for subtitle extraction?

You can upload any standard video file containing embedded soft subtitles, such as MKV, MP4, or AVI, up to 100 MB in size.

Can I extract hardcoded subtitles that are burned into the video image?

No, this tool only extracts embedded soft subtitle tracks (text or bitmap tracks stored inside the video container) and does not perform OCR on burned-in text.

What formats will the extracted subtitles be in?

Subtitles are extracted in their original, unconverted format, which commonly includes SRT, ASS, SSA, or VTT depending on how they were stored in the video.

How do I extract only the English subtitle track if there are multiple languages?

You can specify the 0-based index of the specific track in the Subtitle Track option, or extract 'all' tracks to get all languages at once.

Is there a file size limit for the uploaded video?

Yes, the maximum supported video file size for upload is 100 MB.

API Documentation

Request Endpoint

POST /en/api/tools/video-subtitle-extract

Request Parameters

Parameter Name Type Required Description
videoFile file (Upload required) Yes -
subtitleIndex text No Extract specific subtitle track by index (0-based) or "all" to extract all subtitle tracks

File type parameters need to be uploaded first via POST /upload/video-subtitle-extract to get filePath, then pass filePath to the corresponding file field.

Response Format

{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}
File: File

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-video-subtitle-extract": {
      "name": "video-subtitle-extract",
      "description": "Extract subtitle tracks from video files in their original format (no conversion)",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=video-subtitle-extract",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

Supports URL file links or Base64 encoding for file parameters.

If you encounter any issues, please contact us at [email protected]