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SubForge

Automatic subtitle generation built with FastAPI, faster-whisper, and FFmpeg

Processing Device
Model Quality
Language
Output Format
Word Timestamps Karaoke-style timing
Speaker Diarization Who is speaking
Translate to English Any language → English
Auto-embed subtitles
Custom Vocabulary
Max chars/line 42
🎬
Drop your video(s) here or click to browse
MP4, MKV, AVI, WebM, MOV, MP3, WAV, FLAC • Max 2 GB • Multiple files supported
🎬
Video File
MP4, MKV, AVI, WebM, MOV
📄
Subtitle File
SRT or VTT
Sample subtitle text preview
Uploading...
Combined successfully!
Download Combined Video
📄
1Upload
2Extract
3Transcribe
4Done
Uploading... 0%
Speed: -
Live Subtitles 0 segments
Starting...
Subtitles Ready
⬇ Download .SRT ⬇ Download .VTT
Upload & Probe-
Audio Extraction-
Transcription-
File Generation-
Total-
Embed Subtitles into Video
Sample subtitle text preview
Preparing...
Embedding complete!
Download Video
Edit Subtitles
#StartEndText
Preview with Subtitles
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