Subtitle and Transcript Tools

Convert TXT to SRT

Convert TXT to SRT turns one line per cue into numbered SRT, using your seconds, offset and duration.

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Convert TXT to SRT is a browser-based text tool on TextToolsBase. Convert TXT to SRT turns one line per cue into numbered SRT, using your seconds, offset and duration. To use it, paste or type your text and view the result directly in your browser — no signup and nothing to install.

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Subtitle lines
SRT subtitles
0 chars, 0 lines






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You have subtitle lines written as plain text and you need a proper SRT file with numbers and timestamps for your video.

  
This tool takes one line per cue and builds SRT, letting you set the seconds between cues, a starting offset, and how long each cue stays on screen.

  
How to use Convert TXT to SRT

  
    
      
  1. Paste your subtitle lines, one per cue, into the left panel.
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  2. Set seconds per cue, the start offset, and the cue duration.
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  3. Copy the SRT from the right panel or download it as an SRT file.
    4. 
  

  
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What you can do with it

  
    
      
  • Make quick captions for a draft video.
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  • Turn a line list into timed YouTube subtitles.
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  • Generate placeholder SRT timing to refine later.
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Good to know

  
SRT timestamps use a comma before the milliseconds, like 00:00:01,000, and an arrow between start and end times. Each cue here starts at the offset plus its index times your seconds value.

  
Frequently asked questions

  

      
What timestamp format does SRT use?
Hours, minutes and seconds with a comma before three-digit milliseconds, for example 00:00:01,000, separated by an arrow.

      
What does the start offset do?
It shifts the first cue away from zero, so all cues begin a set number of seconds later.

      
How is each line numbered?
Lines are numbered in order starting at 1, with a blank line between each cue as SRT requires.

  

  
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