Sync Tool
Free online subtitle sync tool. Synchronize subtitles with your video. Fix out-of-sync subtitles by adjusting timing with reference points.
Drop your subtitle file here
or browse files
Supports SRT, VTT, ASS, SUB, TXT, JSON
How to Use Sync Tool
Upload your subtitle file and use the sync controls to match subtitle timing with your video.
Common Use Cases
About Sync Tool
Free online subtitle sync tool. Synchronize subtitles with your video. Fix out-of-sync subtitles by adjusting timing with reference points.. Our Sync Tool tool provides a fast, reliable, and completely free solution that works entirely in your browser. No server uploads, no registration, and no usage limits.
Whether you are a professional video editor, a content creator, or someone who needs to work with subtitles occasionally, our tool is designed to be intuitive and efficient. The processing happens instantly, and you can see the results in real-time.
Why Choose Our Sync Tool Tool?
- 100% free with no hidden charges or premium tiers for basic features
- Privacy-first: all processing happens in your browser
- No registration or account required
- Support for all major subtitle formats
- Instant processing with real-time preview
- Clean, professional interface designed for productivity