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Extract plain text from YouTube SBV caption files by stripping all timestamps and formatting. ChangeThisFile outputs clean caption text line by line.

By ChangeThisFile Team · Last updated: March 2026

Quick Answer

ChangeThisFile converts SBV to TXT on a secure server. Upload your SBV YouTube caption file and it is converted to plain text with all timestamps stripped. Files are auto-deleted after conversion. Free with no signup required.

First daily conversion free No signup required Encrypted transfer · Async jobs kept up to 24h Queued when needed Updated May 2026

SBV vs TXT: Format Comparison

Key differences between the two formats

FeatureSBVTXT
ContentTimestamps + caption textCaption text only
Timing dataH:MM:SS.mmm,H:MM:SS.mmm per blockNone
Block separatorBlank linesNone or newlines only
File sizeLarger (timestamp overhead)Smallest possible
EditabilityRequires SBV format knowledgeEdit in any text editor
Use caseYouTube Studio uploadReading, quoting, translation
Player supportYouTube onlyNot a player format

When to Convert

Common scenarios where this conversion is useful

Extracting a video transcript for a blog post

YouTube SBV captions essentially contain a full video transcript. Converting to TXT strips the timestamps and gives you clean text you can paste into a blog post or article.

Preparing captions for translation

Human translators prefer working with plain text rather than structured caption files. Converting SBV to TXT gives translators a clean, readable document without formatting distractions.

Archiving video content as searchable text

TXT files are indexed by all operating systems and search tools. Converting SBV captions to TXT makes your video content searchable on disk without a media player.

Who Uses This Conversion

Tailored guidance for different workflows

Video Editors & Subtitlers

  • Convert SBV caption files to TXT for the subtitle track your editor or delivery spec requires
  • Move SBV subtitles into TXT to hand off to an editor working in a different tool
After converting to TXT, confirm the cue timings still line up with the video
Check that line breaks and special characters survived the SBV to TXT conversion

Content Creators & YouTubers

  • Convert SBV captions to TXT to upload alongside your video on YouTube, Vimeo, or social platforms
  • Turn a SBV caption file into TXT to make your video clearer and more accessible
Keep individual TXT cues short (about one to two lines) so captions stay readable on screen
Preview the TXT captions on the actual video to catch any timing drift before publishing

Accessibility & Localization Teams

  • Convert SBV subtitles to TXT to meet the caption format an accessibility or compliance spec requires
  • Prepare SBV captions as TXT to hand to translators or a localization workflow
Speaker labels and on-screen positioning only carry over if TXT supports them, so spot-check the result
Validate the TXT file in a caption checker to catch overlapping cues or malformed timestamps

How to Convert SBV to TXT

  1. 1

    Upload your SBV file

    Drag and drop your SBV caption file onto the converter, or click browse to select it. The upload is encrypted.

  2. 2

    Server-side conversion

    The server parses each SBV block, discards the timestamp line, and outputs each caption's text as a line in the TXT file.

  3. 3

    Download the TXT

    Save your plain text caption file. The server copy is automatically deleted after processing.

Automate this conversion

Convert SBV to TXT via API

Integrate this conversion into your pipeline with 3 lines of code. Free tier: 25 conversions/month.

curl -X POST https://changethisfile.com/v1/convert \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -F "file=@input.sbv" \
  -F "target=txt" \
  -o output.txt --fail
Replace YOUR_API_KEY with your free key — no credit card needed.
Get a free API key

Frequently Asked Questions

All timestamp lines (H:MM:SS.mmm,H:MM:SS.mmm) and blank block separators are removed. Only the caption text is kept.

Yes. Caption text appears in the TXT output in the same chronological order as in the SBV file.

Yes. The TXT file is a readable, linear transcript of the video's captions — perfect for blog posts, documentation, or accessibility records.

Yes. Files are transferred over HTTPS and deleted immediately after the TXT is ready for download.

Multi-line SBV captions are output as multiple lines in the TXT file, preserving the original line breaks within each block.

SBV files are plain text and extremely small. The 50 MB server limit is never a concern.

Yes. The TXT output uses UTF-8 encoding, preserving all Unicode characters from the original SBV file.

No. Timestamp data is lost during TXT conversion. To preserve timing, convert to SRT or VTT instead.

Download the video's captions from YouTube Studio as an SBV file, then convert to TXT using ChangeThisFile. This gives you the full transcript without any tools or extensions.

Yes. Drop multiple SBV files onto the converter and ChangeThisFile will convert each one to TXT separately.

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