Ready to use
Video, Audio & Media
Open tool SRT Formatter
Normalize validated SRT numbering, timing punctuation, whitespace, and cue separation.
BUILT AROUND THE TASK
Prepare subtitles for publishing
Repair subtitle formatting, adjust a timing offset, and convert to the caption format your publishing platform accepts. Check readability against the actual video before uploading.
USE WITH CONTEXT
Before you use these tools
A timing shift cannot repair a transcript with missing speech or captions that drift at different rates. Review the whole video for accuracy.
A PRACTICAL ROUTE THROUGH THE SHELF
From raw input to reviewed output
- 1
Inspect the caption file
Check timestamps, cue order, and empty entries. Keep the source file so formatting changes can be compared.
- 2
Match timing and format
Apply a consistent offset when needed and convert to the platform’s required format. Review the beginning, middle, and end against the video.
- 3
Watch with captions
Check reading time, speaker changes, and meaningful sounds. Verify that the upload platform displays the final file correctly.
Choose a focused workspace
Ready to use
Video, Audio & Media
Open tool Subtitle Timestamp Shifter
Shift validated UTF-8 SRT or VTT cues by one signed millisecond-precision offset.
Ready to use
Video, Audio & Media
Open tool SRT to VTT
Convert validated SRT cue timing and text into a normalized WEBVTT file.
Ready to use
Accessibility
Open tool Caption File Checker
Create a bounded, browser-local caption file checker with visible assumptions, review guidance, and downloadable output.
Ready to use
Accessibility
Open tool Accessible Video Checklist
Create a bounded, browser-local accessible video checklist with visible assumptions, review guidance, and downloadable output.
Questions before you start
Does converting SRT to VTT translate the captions?
No. Format conversion changes the file structure, not the language or accuracy of the transcript. Translation and accessibility review remain separate tasks.