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SRT to SBV Converter

Convert SubRip (SRT) subtitles to SBV (YouTube SubViewer) format. Timestamps become period-based H:MM:SS.mmm pairs on one line, with no cue numbers and blank lines between entries.

Runs entirely in your browser — no data is uploaded or stored.

About SRT to SBV Converter

You need subtitles in SBV — the compact format YouTube once used for caption uploads. It is deceptively simple: a single line holding the start,end pair (with periods, not commas), the text underneath, and a blank line before the next entry. No cue numbers, no arrows.

The SRT to SBV Converter reshapes your timed SRT into exactly that shape. It rewrites each timestamp from HH:MM:SS,mmm to H:MM:SS.mmm, joins the pair with a comma on one line, keeps your multi-line text, drops the SRT numbering, and separates entries with blank lines. The result is ready for any SBV-consuming tool.

Features

  • Timestamp remap: SRT HH:MM:SS,mmm becomes SBV H:MM:SS.mmm.
  • Pair format: start,end on one line, no arrows, no numbering.
  • Multi-line text: wrapped subtitle lines are preserved.
  • Blank-line separation: entries split cleanly for SBV parsers.
  • One-click copy/download: grab the .sbv or save it directly.
  • Private: runs entirely in your browser, no uploads.

How to Use

  1. Paste your SRT into the box (sample data is preloaded so you can test instantly).
  2. Click Convert to SBV — the YouTube-style file appears on the right.
  3. Copy or download the .sbv and use it in your SBV workflow.

Examples

Example 1 — Legacy YouTube captions. An older upload tool only accepts SBV; convert and submit.

Example 2 — SubViewer pipeline. Your caption system ingests SBV; flatten the SRT first.

Example 3 — Quick preview. You want the minimal two-line-per-cue shape for a quick check.

Benefits

  • Format-correct: produces valid SBV with the right timestamp style.
  • No manual rewrite: numbering and delimiters handled for you.
  • Lossless content: wording and timing preserved.
  • Fast: convert a full file in one click.
  • Private: subtitle text never leaves the browser.

Frequently Asked Questions

What is the SBV format?
SBV is the simple subtitle format YouTube used for caption uploads. Each entry is a start,end pair on one line (for example 0:00:01.000,0:00:04.000) followed by the text, with a blank line between entries. There are no cue numbers.
How are timestamps written?
SBV uses period timecodes with hours that can be one or more digits (H:MM:SS.mmm). The converter maps SRT comma timecodes to that style automatically.
Why no cue numbers?
Unlike SRT, SBV does not number its entries — the timing line carries the order. The converter drops SRT numbering for you.
When would I need SBV?
Some legacy YouTube caption workflows and a few SubViewer-based tools expect SBV. For most modern uploads SRT or VTT is preferred, but SBV is still requested by older pipelines.
Will my text and timing stay the same?
Yes. Only the delimiter, numbering and wrapper change; the wording and timing are preserved exactly.