Convert Subtitles for YouTube (SBV)

Convert SRT or VTT captions to YouTube's SBV format.

ログイン不要ファイルはプライベートのまま

ファイルをここにドロップするか、クリックして選択

SRT, VTT, SBV, LRC, ASS, SSA, TXT ファイルサイズ制限なし

ファイルを参照

Subtitle text

Output

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💡 Converts between SRT, WebVTT, SBV (YouTube), LRC (lyrics), and ASS/SSA, preserving timing. The input format is detected automatically. Everything runs in your browser — your captions are never uploaded.

YouTube tips

▶️

YouTube's classic caption format is SBV — convert your SRT/VTT to upload it directly.

⏱️

Timing carries over precisely so captions stay in sync.

📤

YouTube also accepts SRT now, but SBV remains handy for some workflows and tools.

🔒

Your captions never leave your device.

使い方

ファイルを選択

Drop your file into the tool above. It stays entirely on your device — nothing is sent to any server.

処理

The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

ダウンロード

Get your result instantly. Nothing is stored after you leave the page — complete privacy.

なぜ私たちのツール？

✓完全に無料 — 隠れたコストは永遠にありません

✓アカウント、メール、ログイン不要

✓ファイルがデバイスを離れることはありません

✓ファイルサイズの制限は一切ありません

✓出力に透かしなし

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📝

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