Subtitle Format Converter
Convert between all major subtitle formats with auto-detection
Supports all major subtitle formats: SRT, VTT, SUB, SBV, SSA, ASS, SMI, LRC, JSON
Input (SRT)
Output (VTT)
Supported Formats
srt
SubRip (.srt)
Most common subtitle format
vtt
WebVTT (.vtt)
Web Video Text Tracks
sub
MicroDVD (.sub)
Frame-based format
sbv
SubViewer (.sbv)
YouTube subtitle format
ssa
SubStation Alpha (.ssa)
Advanced styling support
ass
Advanced SSA (.ass)
Enhanced SubStation Alpha
smi
SAMI (.smi)
Microsoft subtitle format
lrc
LyRiCs (.lrc)
Music lyrics format
json
JSON (.json)
JavaScript Object Notation
Subtitle Converter Features
Professional-grade subtitle converter designed for speed, security, and simplicity
SRT ⇄ VTT
Convert SRT and VTT while preserving timestamps.
Validate
Detect common timing and format issues.
Batch
Process multiple files quickly.
How it works
Parse subtitle formats, convert timestamps and reserialize.
Upload
Drop SRT/VTT files or paste content.
Convert
Choose target format and convert.
Download
Download or copy the converted file.
Use cases
Video publishing
Prepare subtitles for different platforms.
Localization
Convert formats for translators and tools.
Accessibility
Quickly generate captions for videos.
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