Subtitle Converter Online Free — Convert SRT VTT ASS in Browser (2026)

Convert subtitle files between formats — SRT, VTT, and ASS to TXT, Markdown, CSV, or JSON. Preview with timestamps. 100% browser-based, nothing uploaded.

Why Use a Subtitle Converter?

Subtitles come in many formats. SRT files work on most media players, WebVTT is used for HTML5 video, and ASS supports advanced styling. Converting between formats lets you use subtitles across different platforms, extract text for translation, or create readable transcripts.

Supported Formats

SRT (SubRip): The most common subtitle format. Simple, widely supported by all media players.
VTT (WebVTT): Used for HTML5 video captions and online video platforms.
ASS (Advanced SubStation Alpha): Advanced format with styling, positioning, and animation support.

Output Options

TXT: Plain text — subtitle text only, no timestamps. Ideal for reading or translation.
Markdown: Timestamped text formatted as Markdown. Great for documentation or notes.
CSV: Tabular data with index, timestamp, and text columns. Perfect for spreadsheets or analysis.
JSON: Structured data with all metadata preserved. For programmatic use.

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Frequently Asked Questions

What subtitle formats are supported?
SRT (SubRip), VTT (WebVTT), and ASS (Advanced SubStation Alpha) formats are supported for input. Output formats include TXT, Markdown, CSV, and JSON.

How do I convert subtitles?
Upload or paste your subtitle file (SRT, VTT, or ASS), choose your output format, and download the converted result. Timestamps are preserved in the output.

Is online subtitle conversion private?
Yes — all processing happens locally in your browser. Your subtitle files never leave your computer. No upload, no server, no tracking.

Can I preview subtitles before converting?
Yes — the tool shows a preview of your subtitles with timestamps. You can review the content before choosing your output format.

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