Convert subtitles · Keep timing · Browser friendly

Free Online Subtitle Converter

Convert subtitle files between popular formats like SRT, VTT, ASS, SUB, SBV, STL, TTML, DFXP, SMI, LRC, CSV and TXT.

  • Upload one subtitle file and choose your preferred output format
  • Preserve subtitle timings and text as much as possible
  • No registration required for basic conversion

Simple subtitle format converter

Upload, convert between formats, then download your new subtitle file in a few seconds.

Your file is converted on the server using our subtitle tools. Temporary files are removed after processing and are not kept for later.

Convert a subtitle file

Supported input formats: SRT, VTT, ASS, SUB, SBV, STL, TTML, DFXP, SMI, LRC, CSV, TXT. Maximum file size: 10MB.

1 Upload file Choose one subtitle from your device.
2 Select format Pick the output type you need.
3 Convert & download Start conversion and get the file.
Drag & drop your subtitle file here
or browse from your computer
Allowed extensions: .srt, .vtt, .ass, .sbv, .sub, .stl, .ttml, .dfxp, .smi, .lrc, .csv, .txt
Selected file
No file selected yet.
Choose the format you want to download.
Only needed for frame-based .sub files like {123}{180}Text.

Input format is detected automatically where possible. Converted subtitle files keep their original timing and text as closely as the converter allows.

If conversion fails, check that your subtitle file is valid or try converting to VTT or SRT first.

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If this converter saves you time, you can support the project and help keep it online.

Why use this subtitle converter?

A simple, browser-friendly way to convert subtitles between the most popular file formats.

Fast conversion

Upload a subtitle file, pick an output format and get a converted file in just a few seconds.

Popular formats

Convert between SRT, VTT, ASS, SUB, SBV, STL, TTML, DFXP, SMI, LRC, CSV and TXT without extra tools.

Browser friendly

Everything is controlled from your browser, so you can convert subtitle files from almost any device.

How to convert subtitles

Follow these steps to change your subtitle file from one format to another.

  1. Click on the upload area or drag and drop a subtitle file from your computer.
  2. Select the output format you need, such as SRT, VTT or another format from the list.
  3. Press the Convert button and wait a moment while the file is processed.
  4. Your browser will start downloading the converted subtitle file with the new extension.

Supported subtitle formats

This converter can handle common subtitle formats used by video players and platforms, including: SRT, WebVTT (VTT), ASS, SUB, SBV, STL, TTML, DFXP, SMI, LRC, CSV and simple TXT files.

Frequently asked questions

Do you translate the subtitle text?

No. This tool only converts the file format. If you need translation, you can use the subtitle translator and multi subtitle translator tools available on the main site.

Is there a file size limit?

Yes. For stability reasons the maximum upload size for this converter is 10MB per subtitle file.

What happens to my uploaded files?

Uploaded files are used only for the conversion process. Temporary files are removed after the download is prepared and are not stored for later.