Convert SBV to SRT — YouTube Subtitles to SRT
Use this free SBV to SRT converter to turn YouTube caption files into clean, universally compatible SRT output. The converter rewrites SBV timestamps into SRT syntax, adds sequential cue numbers, and preserves the original subtitle text. Everything runs in your browser — your file never leaves your device.
Drag & drop your file here
or click to browse · Accepts .sbv files
Don't stop at format conversion
Need browser-ready captions? Convert SRT to VTT. Need clean text for translation? Extract with SRT to TXT.
How to Convert SBV to SRT in 3 Steps
- 1
Download your SBV file from YouTube
In YouTube Studio, go to Subtitles, select a video, click the three-dot menu on a caption track, and choose “Download” to get the .sbv file. This works for both auto-generated and manually uploaded captions.
- 2
Drop the SBV file into the converter
The tool detects the SBV format automatically, rewrites timestamps from YouTube's notation to SRT syntax, and adds the sequential cue numbers that SRT requires.
- 3
Download the SRT file
Preview the converted output, verify that timing and text look correct, and save the .srt file for editing, archiving, or uploading to another platform.
What Changes During SBV to SRT Conversion
- Timestamp format changes:SBV uses
H:MM:SS.mmm,H:MM:SS.mmmwith a comma between start and end times. SRT usesHH:MM:SS,mmm --> HH:MM:SS,mmmwith an arrow separator and comma before milliseconds. The converter handles this rewrite automatically. - Cue numbers are added:SBV files do not use cue numbers. SRT requires a sequential integer before each timestamp line. The converter generates these numbers starting at 1.
- Text content is preserved:The actual subtitle dialogue stays the same. No text is added, removed, or reformatted during conversion.
- Hours are zero-padded:SBV allows single-digit hours (0:01:23.456). SRT requires two-digit hours (00:01:23,456). The converter pads these values automatically.
Common Use Cases for SBV to SRT
- Repurposing YouTube captions for other platforms:Vimeo, Wistia, and most social media platforms accept SRT but not SBV. Converting before uploading avoids rejection.
- Editing YouTube auto-captions in subtitle editors:Aegisub, Subtitle Edit, and most editors import SRT natively. Converting SBV first lets you clean up auto-caption errors in a proper editing environment.
- Archiving subtitle files in a universal format:SBV is YouTube-specific. SRT is the most widely supported archive format for subtitles, readable by every major player and tool for decades to come.
- Creating translated subtitle tracks:Download auto-captions as SBV, convert to SRT, translate the text, and upload the translated SRT to YouTube or another platform as a new language track.