WebVTT Subtitle is Web Video Text Tracks — the HTML5 standard for web video captions. It is primarily used for web video subtitles, HTML5 video captions and accessibility compliance. W3C standard integrated with HTML5 video element

Will the conversion strip my EXIF or metadata?

Xonvert preserves metadata (EXIF, XMP, ID3, etc.) when the target TTML format supports it. You can optionally strip metadata in the settings for smaller, cleaner output files.

Does the conversion preserve metadata?

Xonvert preserves compatible metadata fields when converting between formats. Some format-specific metadata may not carry over if the target format doesn't support it.

Can I share the converted TTML file directly?

Yes. After conversion, you can download the TTML file and share it via email, messaging apps, cloud storage, or any other method you prefer.

Does converting VTT to TTML change the resolution?

Resolution is not applicable for subtitle files. All content data transfers at full fidelity.

Do I need to install any software?

No installation required. The converter runs entirely in your web browser. No plugins, extensions or desktop apps needed.

How do I know the conversion was successful?

Xonvert validates the output file and shows a success confirmation. You can preview the result before downloading. If any issue occurs, a clear error message is displayed.

Convert VTT to TTML

Fast, free, and secure VTT to TTML conversion. No registration required.

vtt

Subtitle

ttml

Fast, free, and secure VTT to TTML conversion. No registration required.

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Related Conversions

VTT→SRT

VTT→ASS

VTT→SSA

High Quality

Maintain maximum quality during conversion

Fast Processing

Convert files in seconds with our optimized engine

Secure & Private

Files automatically deleted after conversion

How to Convert VTT to TTML

Upload VTT File

Click the "Select File" button to upload your vtt file from your device.

Start Conversion

Click the "Convert" button to instantly start converting to TTML.

Download TTML

Download your converted ttml file immediately after processing.

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