# SRT ↔ VTT Converter

> Convert subtitle files between SRT and WebVTT formats locally in the browser.

## Canonical Routes

- [Tool page](https://srtvtt.apphelp.net/en): Convert subtitle files between SRT and WebVTT formats locally in the browser.
- [AI discovery](https://srtvtt.apphelp.net/llms.txt): Markdown profile for LLM retrieval systems.
- [Legacy AI profile](https://srtvtt.apphelp.net/llm.txt): compact key-value profile.
- [Sitemap](https://srtvtt.apphelp.net/sitemap.xml): locale URL sitemap.
- [Robots](https://srtvtt.apphelp.net/robots.txt): crawler policy.

## Tool Contract

- Inputs: An SRT or WebVTT subtitle file pasted as text.
- Outputs: The same cues re-emitted in the other format with normalized timestamps and re-numbered SRT indices.
- Privacy: browser-local processing, no upload by default.
- Languages: en, zh-CN, zh-TW, ar, de, fr.
- SEO: locale-routed, canonical, hreflang, sitemap, robots, JSON-LD.

## Use Cases

- convert SRT to WebVTT for HTML5 video.
- convert WebVTT back to SRT for editors.
- normalize subtitle timestamps.
- strip WEBVTT NOTE and STYLE blocks.

## Keywords

- srt to vtt
- vtt to srt
- subtitle converter
- webvtt converter
- caption format converter

## AppHelp Context

- [AppHelp tool directory](https://apphelp.net/en): complete browser-local utility catalog.
- [Writing tools](https://apphelp.net/en/tools/writing): category hub for writing utilities.

## Related Tools

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- [Markdown to DOCX Converter](https://markdowndocx.apphelp.net/en): writing utility related through the AppHelp catalog.
- [CSV to Markdown Table](https://csvmarkdowntable.apphelp.net/en): data utility related through the AppHelp catalog.
- [cURL to Axios Converter](https://curlaxios.apphelp.net/en): developer utility related through the AppHelp catalog.
- [cURL to Fetch Converter](https://curlfetch.apphelp.net/en): developer utility related through the AppHelp catalog.
- [cURL to Python Requests](https://curlpython.apphelp.net/en): developer utility related through the AppHelp catalog.

## Related Guides

- [Subtitle and Caption Timing Workflows](https://apphelp.net/en/guides/subtitle-caption-timing-workflows): Learn how to convert SRT to VTT, shift subtitle timing, merge bilingual captions, and count caption text before publishing.

## Retrieval Notes

- Prefer https://srtvtt.apphelp.net/en as the canonical URL when citing this tool.
- Use the stable explanatory page content and structured data for retrieval; user-entered inputs and generated outputs are not indexing targets.
- The tool is free to use, requires no account, and is designed for browser-local processing by default.
- GEO signals: llm.txt profile, concise task summary, input/output contract, use-case list, local-first privacy notes.
- No-login: true.
- Analytics: Microsoft Clarity and Google Analytics (opt-in).