Online SRT to VTT Converter

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Subtitle Conversion Engine

Raw SubRip (.srt)

Converted WebVTT (.vtt)

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How to Use the SRT to VTT Converter

Upload or Paste: Click the "Upload" button to load your .srt file from your device, or paste the raw SubRip text directly into the left input area.
Convert: Click the "Convert to VTT" button located at the top of the workspace.
Review Output: The script instantly generates a valid WebVTT header and formats the timestamps appropriately in the right text box.
Save or Copy: Click "Save File" to download the newly created .vtt file to your computer, or use "Copy Text" to copy the VTT code to your clipboard.

Features

Header Generation: Automatically prefixes the output with the required WEBVTT header declaration for HTML5 video compatibility.
Timestamp Translation: Replaces SRT's comma-separated millisecond format (00:00:00,000) with the VTT standard period separator (00:00:00.000).
Identifier Retention: Preserves sequence numbers as WebVTT cue identifiers, ensuring your subtitle indexing remains intact.
100% Client-Side: Your subtitle files are processed entirely in your web browser. Nothing is uploaded to our servers, keeping your content totally private.

Benefits

While SubRip (.srt) is the traditional standard for offline video players, WebVTT (Web Video Text Tracks) is the absolute standard for online video delivery. Converting your files enables powerful web capabilities:

HTML5 Native: Directly embed your captions into any website using the standard HTML <track> element.
Web Accessibility: Ensure your online courses, podcasts, or marketing videos are fully accessible and compliant with web content accessibility guidelines (WCAG).
No Software Required: Say goodbye to downloading clunky desktop applications just to change a file format. Do it instantly from any device.

Common Use Cases

Web Developers: Converting client-provided SRT files to VTT so they can be natively read by standard HTML5 video and audio tags.
eLearning Platforms: Preparing closed captions for course videos uploaded to platforms like Canvas, Moodle, or Teachable.
Content Creators: Adapting offline video transcripts to upload alongside online content for improved video SEO and viewer retention.

Examples of Conversion

Here is an illustration of how the tool safely restructures your SubRip data into valid WebVTT format:

Original SubRip (SRT) Format	Converted WebVTT (VTT) Format
`1` `00:00:02,150 --> 00:00:05,300` `Welcome to our tutorial.`	`WEBVTT` `1` `00:00:02.150 --> 00:00:05.300` `Welcome to our tutorial.`
`2` `00:01:10,000 --> 00:01:15,500` `Let's get started.`	`2` `00:01:10.000 --> 00:01:15.500` `Let's get started.`

Pro Tips

Keep Basic Formatting: Most modern HTML5 players will still respect basic HTML tags like <b>, <i>, and <u> that were present in your original SRT file.
Character Encoding: If your text contains special characters or foreign languages, ensure you save your final VTT file with UTF-8 encoding to display correctly on the web.
Test Your Track: You can easily test your generated VTT file by dropping your video file and the VTT file into most modern web browsers like Chrome or Firefox to see how it renders locally.

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Frequently Asked Questions (FAQ)

What is WebVTT?

WebVTT stands for Web Video Text Tracks. It is a W3C standard format for displaying timed text tracks (such as subtitles or captions) alongside the HTML5 <video> element.

Why can't I just upload my SRT file directly to the web?

While some platforms auto-convert SRTs, standard HTML5 browsers natively require the VTT format to power the <track> tag. Attempting to use an SRT file directly in an HTML video player will usually result in the captions failing to load.

Is it safe to convert private transcripts here?

Yes, absolutely. Our tool relies entirely on client-side JavaScript. This means the conversion happens instantly within your device's memory; the text is never transmitted over the internet or saved to an external database.

Will this fix out-of-sync subtitles?

No. This tool is strictly a format converter. It translates the syntax from SRT to VTT while keeping your timestamps exactly the same. If your subtitles are delayed or early, you will need a subtitle time shifter tool instead.

Why does the converted file start with WEBVTT?

The WEBVTT declaration on the very first line is a strict requirement of the WebVTT standard. If this keyword is missing, browsers and video players will refuse to parse the file.