Professional Subtitle Display

The ultimate subtitle display software for live events, conferences, broadcasts, and multimedia production.

Sub!t Application Screenshot

Powerful Features

Multi-Display Custom Output

Output to multiple external displays simultaneously with independent settings for each screen including resolution, position, and styling.

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NDI Output with Alpha Channel

Stream subtitles via NDI with transparent background support. Compatible with vMix, OBS Studio, Resolume Arena and more.

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Vertical Dual-Side Display

Display vertical text on both left and right sides simultaneously. Perfect for stage productions where audiences are on both sides.

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Multi-Language Display

Auto-convert between Traditional and Simplified Chinese. Support for RTL languages like Arabic and Hebrew.

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Document Import

Import plain text documents (.txt, .docx) directly. Per-word color, font size, bold, italic, and highlighter; group paragraphs by blank lines for whole-block output.

New in v1.3.2

Project Management

Save complete project settings including all styles, documents, and window states. Quick setup for recurring events.

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Speech-to-Text (STT)

Triple-engine speech recognition: Deepgram real-time streaming, Whisper offline with GPU acceleration, and Sherpa-onnx offline streaming.

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LTC Timecode Sync

SMPTE 12M Linear Timecode synchronization with native C++ decoder. Frame-accurate subtitle cueing with flywheel protection and Auto GO.

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Video Tutorials

Step-by-step walkthroughs: basic setup, the preview window, document management, and building an SRT from plain text.

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Perfect For

Live Events

Concerts, theater, and ceremonies with real-time multilingual subtitles.

Conferences

International conferences with simultaneous translation display.

Houses of Worship

Display lyrics, scripture, and announcements for services.

Live Streaming

Professional subtitles via NDI integration for broadcasts.