TimedSubs
Synced subtitles from a written script - script-locked, timing-verified, export-ready.
What is Timedsubs?
TimedSubs aligns written scripts with audio to generate perfectly timed subtitles in SRT/VTT format. Unlike auto-captions that guess words, it preserves your exact script while adding precise timing and quality checks. Designed for creators, educators, agencies, and localization teams who need subtitle assets that are script-locked, delivery-ready, and verified before handoff.
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Key Features of Timedsubs
- Script-to-subtitle timing alignment
- SRT/VTT/SBV/ASS/TXT/JSON/ZIP format support
- Quality scoring (94/100 signal)
- Subtitle line length and reading speed validation
- Overlap detection and duration checking
- Dubbing pacing checker for translated content
- Free subtitle converter (SRT↔VTT↔TXT)
- Free subtitle structure checker
- Export blockers for invalid timing
- Source preservation verification
Who Should Use Timedsubs?
Generate timed subtitles for scripted video creators
Create caption assets and transcript exports for online courses
Verify subtitle quality before sending to clients or YouTube
Check translated subtitle pacing before dubbing recording
Prepare clean source timing for localization workflows
Validate SRT/VTT files for downstream publishing tools
Timedsubs: Pros & Cons
✓Pros
- Protects and locks the original script - no rewording or re-detection
- Detects and flags delivery risks before export
- Treats subtitle files as primary deliverables, not side features
- Blocks invalid timing and broken subtitle lines from export
- Free tier includes 15 minutes of script-audio alignment
- Multi-language UI support (English, Chinese, Spanish, Japanese)
- No credit card required to start
Tool Details
- Pricing
- Free
- Languages
- English, Chinese (Simplified), Spanish, Japanese
- Category
- Ai Subtitles
- Added
- Jul 2026
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