Free Online Subtitle Editor
Edit, convert, merge, fix, and translate subtitle files — all in one place. Free tools for SRT, ASS, and VTT formats. No signup required for editing and conversion.
Subtitle Editing Tools
Subtitle Converter
Convert between SRT, ASS, and VTT formats. Upload any format and download in another.
Sync Subtitles
Adjust subtitle timing to sync with your video. Shift timestamps forward or backward.
Merge Subtitles
Combine two subtitle files into one. Great for bilingual subtitles or merging split files.
Fix Subtitle Lines
Fix broken subtitle lines, remove duplicates, and clean up formatting issues.
Extract Subtitles
Extract subtitle tracks from MKV and other video containers.
Translate Subtitles
AI-powered translation from Japanese, Korean, and Chinese to English.
Frequently Asked Questions
Can I edit subtitles online for free?
Yes. DramaSub offers free online tools to edit, fix, convert, and merge subtitle files. No download or signup required for editing and conversion — everything works in your browser. (Translation needs a free account.)
What subtitle formats can I edit?
DramaSub supports SRT (SubRip), ASS (Advanced SubStation Alpha), and VTT (WebVTT) formats. Upload any of these and use our tools to edit, convert, or translate them.
How do I fix subtitle timing?
Use our Sync Subtitles tool to shift all timestamps forward or backward by a specified amount. Upload your file, set the offset, and download the corrected version.
Can I translate and edit subtitles at the same time?
Yes! First translate your subtitle file using our translator, then use any of our editing tools to fine-tune the result. All tools work with all supported formats.
Edit Your Subtitles Now
Free online tools to convert, fix, merge, and translate subtitle files.
Browse All Tools