# SRT to WebVTT Converter

> Convert subtitle text entirely in your browser.

Paste or load SRT captions, convert timestamps to WebVTT, and download the result without uploading content.

- **Category:** Conversion
- **Runs locally:** Yes (browser-only; no remote upload of your inputs)
- **HTML page:** https://www.mediablaster.io/tools/srt-to-vtt
- **Markdown alternate:** https://www.mediablaster.io/tools/srt-to-vtt.md

## AI / MCP exposure

- **MCP tool name:** `convert_srt_to_webvtt`
- **Title:** SRT to WebVTT Converter
- **Requires server:** No
- **Exposure:** tool

Use this when converting bounded SRT subtitle text to WebVTT. Do not use for oversized payloads, binary uploads, or guaranteeing caption accuracy.

## Important notes

Planning estimates are not binding quotes.

Roku approval and review timing are controlled by Roku; tools help prepare, they do not guarantee approval.

Only the Roku app template ships as a standard MediaBlaster product today. Other platforms are planned, not shipping.

## Related

- [All tools](https://www.mediablaster.io/tools): /tools
- [Tools for AI agents (MCP)](https://www.mediablaster.io/developers/mcp): /developers/mcp
- [OTT Platform Cost Calculator](https://www.mediablaster.io/tools/ott-platform-cost-calculator): /tools/ott-platform-cost-calculator
- [MediaBlaster Pro](https://www.mediablaster.io/pro): /pro
- [Documentation](https://www.mediablaster.io/docs): /docs