Video Tools

Add Subtitles to Video

Create timed subtitles and burn them in with drawtext or styled ASS subtitles.

Ready to process

Files stay in your browser. The processing engine downloads only when you start processing for the first time.

Tool guide

How to use Add Subtitles to Video

Overview

Create timed subtitles and burn them in with drawtext or styled ASS subtitles. This guide explains a practical way to check the result before you use it.

How to use it

  1. Open Add Subtitles to Video and prepare a copy of the input you want to process.
  2. Select a video file and wait for the browser media engine to load.
  3. Choose the output format, dimensions, trim range, speed, filter, or other available option, then start processing.
  4. Preview the output where available and check the opening, ending, orientation, and sound before download.

Example

Process a 10-second test segment first to validate the chosen format and settings before exporting the full video.

Before you use the result

  • Video processing runs locally in the browser after the media engine loads.
  • Large or long videos can exceed browser memory, and re-encoding can change quality or take time.

FAQ

Questions people ask

What does Add Subtitles to Video do?

Create timed subtitles and burn them in with drawtext or styled ASS subtitles.

How do I use Add Subtitles to Video?

Select a video file and wait for the browser media engine to load. Choose the output format, dimensions, trim range, speed, filter, or other available option, then start processing.

How should I check the result?

Preview the output where available and check the opening, ending, orientation, and sound before download.

Is an account required?

No. NovaKit tools are available for direct use without creating an account.

How is my input handled?

Video processing runs locally in the browser after the media engine loads.

What should I keep in mind?

Large or long videos can exceed browser memory, and re-encoding can change quality or take time.

What is a safe Add Subtitles to Video example?

Process a 10-second test segment first to validate the chosen format and settings before exporting the full video.

Can I keep a copy of the result?

Where output is generated, use the page’s copy, download, print, or export controls and keep the original input until you have verified the result.

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