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utils.sbs

Subtitles tool

Subtitle Cleaner

Remove duplicate cues, HTML tags and empty lines.

Runs on-deviceNo sign-upFree
All subtitles tools

Subtitle Cleaner workspace

Workspace

Subtitle Cleaner

Runs locally

Supports SRT and WebVTT. Cue times are parsed to the millisecond and rebuilt without touching your video.

Captions

The guide

By the utils.sbs team · Reviewed November 2026 · How we build and review tools

Quick answer

Subtitle Cleaner is a free browser-based subtitles tool. Remove duplicate cues, HTML tags and empty lines. It runs with JavaScript text parsing locally, requires no account and does not upload your files. Open the page, add your input, adjust any options and download the result.

What is Subtitle Cleaner?

Subtitle Cleaner is a free browser-based subtitles tool from utils.sbs. Remove duplicate cues, HTML tags and empty lines. It is built for quick, focused jobs: open the page, add your input, adjust the options and take the result with you. No account, install or server upload is required.

At a glance

CategorySubtitles
InputSRT, VTT or plain subtitle text
OutputAn adjusted SRT, VTT or plain-text subtitle file
EngineJavaScript text parsing
ProcessingIn your browser
PriceFree
AccountNot required

How Subtitle Cleaner works

Subtitle files are parsed as text, adjusted with the selected timing or format options, and written back out as a downloadable file.

How to use Subtitle Cleaner

  1. 1Open Subtitle Cleaner and add your input.
  2. 2Use the default settings, or choose the format or detail level that matches your goal.
  3. 3Run the tool, check the preview or result, and download the output.

When to use Subtitle Cleaner

  • Convert subtitle files between SRT, VTT and plain text.
  • Shift or retime captions after editing a video.
  • Clean duplicate cues and line breaks before uploading captions.

Limitations

Overlapping cues or unusual text encodings may require manual cleanup after conversion.

Privacy and accuracy

Subtitle Cleaner processes its input in the browser whenever the platform API allows it. Files and values are not uploaded to a server for processing, and the tool does not require an account. For calculations, use the result as a reference and verify important decisions against the source formula or a qualified professional. Read our methodology.

FAQ

Subtitle Cleaner questions

  • What can I do with Subtitle Cleaner?

    Remove duplicate cues, HTML tags and empty lines. Subtitle Cleaner is part of the Subtitles shelf on utils.sbs and is designed for quick, one-off tasks.

  • Is Subtitle Cleaner free to use?

    Yes. Subtitle Cleaner is free, requires no account, and has no per-file or per-use charge.

  • Are my files uploaded when I use Subtitle Cleaner?

    No. Subtitle Cleaner is designed to process your input locally in the browser. Files are not uploaded to a server for processing.

  • What formats does Subtitle Cleaner support?

    It reads common subtitle formats such as SRT and VTT and writes the converted or adjusted file back out.

  • Can I use Subtitle Cleaner on my phone?

    Yes. Subtitle Cleaner is responsive and works in modern mobile browsers. Very large files may be limited by the device's available memory.

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