System
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Sub
Forge
Automatic subtitle generation built with FastAPI, faster-whisper, and FFmpeg
Transcribe
AI-powered subtitles
Combine
Video + Subtitle file
Processing Device
GPU
Fast
CPU
Slow
Model Quality
Tiny
~75MB
Base
~140MB
Small
~460MB
Med
~1.5GB
Large
~3GB
Language
Auto-detect
Output Format
SRT
Standard
VTT
Web
Advanced Options
Word Timestamps
Karaoke-style timing
Speaker Diarization
Who is speaking
Translate to English
Any language → English
Auto-embed subtitles
Off
Soft Mux (fast, selectable track)
Hard Burn (permanent, styled)
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
Soft Mux
Fast · Selectable track
Hard Burn
Permanent · Styled on video
Style Preset
Default
YouTube White
YouTube Yellow
Cinema
Large Bold
Top Position
Font
Arial
Roboto
Open Sans
Verdana
Tahoma
Courier New
Size:
24
px
Color
Position
Bottom
Center
Top
Background:
75
%
Bold
Sample subtitle text preview
Subtitle Language
(track metadata for soft mux)
English
Spanish
French
German
Portuguese
Italian
Japanese
Korean
Chinese
Russian
Arabic
Hindi
Combine Now
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3
Transcribe
4
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Speed:
-
Data Processed
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Time Remaining
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Elapsed
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Audio Progress
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Live Subtitles
0 segments
Starting...
Pause
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Subtitles Ready
↺ New File
⬇ Download .SRT
⬇ Download .VTT
⬇ Download .JSON
Upload & Probe
-
Audio Extraction
-
Transcription
-
File Generation
-
Total
-
▶
Embed Subtitles into Video
▼
Soft Mux
Fast · Selectable track
Hard Burn
Permanent · Styled on video
Style Preset
Default
YouTube White
YouTube Yellow
Cinema
Large Bold
Top Position
Font
Arial
Roboto
Open Sans
Verdana
Tahoma
Courier New
Size:
24
px
Color
Position
Bottom
Center
Top
Background:
75
%
Bold
Sample subtitle text preview
Embed Now
Preparing...
Embedding complete!
Download Video
Edit Subtitles
Preview with Video
Edit Subtitles
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