PDF PremSubtitle Fixer Online Free – Repair SRT & VTT Subtitles
Broken subtitles? Upload an SRT or VTT file (or paste it) and this tool repairs the numbering, sorts cues into time order, fixes overlapping timings, drops empty cues, and cleans the formatting — then gives you a fixed SRT and a fixed VTT to download.
Drag & drop your subtitle file here or browse files
.srt or .vtt files — or paste below
No file selected.
How to use this tool
- Upload your .srt or .vtt file, or paste the subtitle text.
- Tick the fixes you want and click Fix Subtitles.
- Read the repair report, then download the fixed .srt or .vtt file.
Frequently asked questions
How do I fix a broken SRT file?
Upload the SRT (or paste it) and click Fix Subtitles. Numbering is repaired, cues are sorted into time order, overlaps are fixed, and empty cues are removed.
Can it convert SRT to VTT and VTT to SRT?
Yes. Every repair produces both downloads — a fixed .srt and a fixed .vtt — so you can use the format your player or editor needs.
What does fixing overlapping timings do?
When one subtitle ends after the next one starts, players flash or skip lines. The tool shortens the earlier cue so it ends just before the next one begins.
Are my subtitles uploaded to a server?
No. Repair happens entirely in your browser — your subtitle text never leaves your device.
Does it fix subtitles in other languages?
Yes. The repair works on timings and structure, not on the words, so Hindi, English and every other language work the same.
What if my file has no numbers or is out of order?
That is exactly what this tool repairs — missing or wrong numbers are rebuilt from scratch and cues are re-sorted by start time.