Upload your .srt file to instantly detect and repair syntax errors, overlapping timestamps, and bad formatting.
or click to browse. Processing happens locally in your browser - no data is uploaded.
Your SRT file is checked locally in your browser. No upload required.
SRT (SubRip Subtitle) is the most common format for video subtitles. It contains sequential text blocks with start and end timestamps. When these timestamps overlap, are formatted incorrectly, or have empty lines, video players and editors may fail to display the subtitles correctly.
00:00:00,000 --> 00:00:00,000 format.You can manually open your SRT file in a text editor (like Notepad or TextEdit) and fix the overlapping timestamps line by line. However, this is time-consuming for long files. Using our automatic SRT Fixer above, you can instantly repair overlaps, fix sequence issues, and remove empty subtitles. Simply drag and drop your file, click 'Fix Errors Automatically', and download the repaired version.
Drag and drop your .srt file into the validator box above.
The tool automatically detects overlaps, sequence errors, and invalid syntax.
Click 'Fix Errors Automatically' to repair and download your clean SRT file.
It detects sequence numbering errors, timestamp formatting issues, overlapping subtitle blocks, negative durations, and empty text blocks.
It automatically adjusts the start or end times of overlapping blocks so that consecutive subtitles do not appear on screen at the exact same time.
This tool is designed specifically for SubRip (.srt) subtitle files. For other formats like VTT, we suggest converting them to SRT first.
No. The fixer only corrects timing errors, sequence numbering, and structural issues. Your subtitle text and styling tags remain unchanged.