Free Online Subtitle Cleaner
Downloaded a subtitle file full of annoying text? Whether it's hearing impaired annotations like [applause], music symbols like ♪, or distracting website URLs, TheSubAI Subtitle Cleaner removes them instantly. Get a clean, readable subtitle file without knowing any code or Regex.
How to Clean Subtitles Online?
Declutter your subtitles in 3 simple steps:
- Upload your file: Drag and drop your SRT, VTT, or ASS file.
- Select Cleaning Options: Check the boxes for what you want to remove (e.g., "Remove SDH/HI annotations" or "Remove ads").
- Download: Click the button to get your purified subtitle file.
Cleaning Features
Our tool offers powerful filters to remove specific unwanted elements while keeping the dialogue intact:
1. Remove Hearing Impaired (SDH) Tags
Perfect for converting "SDH" subtitles to standard subtitles. Removes descriptive text meant for the hearing impaired.
- Removes sound effects in brackets: [door slams], (wind blowing)
- Removes speaker labels: JOHN: Hello becomes just Hello
- Removes music cues and lyrics: ♪ singing ♪ or # music #
2. Remove Ads & Watermarks
Many free subtitles contain spammy links or credit lines like "Downloaded from..." or "Encoded by...". Our smart filter detects and removes these advertisement lines automatically.
3. Fix Text Formatting
Removes distracting HTML tags that might not be supported by your TV or player:
- Strips bold, italic, and font tags:
<b>,<i>,<font> - Cleans up bracket types:
[],{},(),<> - Removes asterisks
*text*and hashtags#text#
Why use TheSubAI Cleaner?
- No Regex Knowledge Needed: You don't need to write complex regular expressions. Just tick the boxes.
- Batch Processing: Cleans thousands of lines in milliseconds.
- Smart Deletion: It removes empty lines and merges duplicate entries that are left behind after cleaning.
Free Online Subtitle Cleaner - FAQ
SDH stands for "Subtitles for the Deaf and Hard of Hearing". They include sound descriptions like [music] or (laughter). To remove them, simply upload your file to TheSubAI and check the "Remove SDH/HI annotations" box.
Yes. Our tool has a specific "Remove music cues" option that detects and deletes music symbols (♪, ♫) and lyrics enclosed in hashtags or asterisks.
Check the "Remove text formatting" option. This will strip all HTML code, leaving only the plain text, which ensures compatibility with all TVs and media players.
No. TheSubAI uses smart pattern matching to only target non-dialogue elements (like text inside brackets or specific ad patterns), keeping the actual spoken words safe.