SRT Cleaner

Clean SRT subtitle files by removing SDH markers and fixing formatting issues

Supports: .srt, .vtt, .ass, .ssaMax 10 filesOutput: SRTFree Online Tool
Tool Options
Select your files
What does SRT Cleaner do?

Remove SDH Markers

Removes hearing impaired indicators like [MUSIC], [APPLAUSE], (DOOR SLAMS), speaker names, and other non-dialogue text that appears in SDH subtitles.

Fix Formatting Issues

Cleans up malformed HTML tags, fixes line breaks, removes excessive whitespace, and ensures proper SRT formatting structure.

Encoding Conversion

Automatically detects and converts file encoding to UTF-8 for maximum compatibility.

Why Choose Our SRT Cleaner?
  • Free and Online: No software installation required
  • Fast Processing: Quick conversion and processing
  • Multiple Formats: Support for .srt, .vtt, .ass, .ssa files
  • Batch Processing: Handle up to 10 files at once
  • Privacy Focused: Your files are processed securely
  • No Registration: Start using immediately
How to Use SRT Cleaner
  1. Upload your subtitle files by dragging and dropping or clicking "Choose Files"
  2. Configure any tool-specific options if available
  3. Click "Process Files" to start the conversion
  4. Download your processed files when ready

The tool supports files up to 50MB for image-based subtitles (.sup, .sub, .idx) and 5MB for text-based formats. Processing usually takes just a few seconds depending on file size and complexity.