Core features, free forever
Use region OCR, copied results, and subtitle monitoring without a subscription.
DESKTOP AI OCR
Core features are free forever
Turn any screen text into usable text.
Quantum OCR is an always-ready desktop OCR tool. Core OCR, region capture, and subtitle monitoring are free forever. Press a shortcut, select any text on screen, and get copyable, translatable results instantly.
x64 installer · Local models · No screenshot upload
WHY QUANTUM OCR
Built for text already on your screen
Instant selection
Press Alt + Q and select any screen region without changing apps or uploading files.
Live subtitle monitor
Watch a selected region and intelligently merge repeated subtitle frames.
Local recognition
Models install with the app, so everyday OCR stays on your computer.
IN THE APP
A desktop experience built for fast recognition
Select the screen region to recognize
Alt + Q
Select any region
Press Alt + Q to draw around text anywhere on screen.
Subtitle monitor
New subtitles appear continuouslyAdjacent duplicates are merged automatically
Watching selected region
Live subtitle monitor
Watch a fixed region and retain only new subtitle lines.
Recognition result
Screen text recognized successfullyCopy, edit, or continue to translate
Results ready to use
Edit, copy, or continue to translation as soon as OCR completes.
THREE SIMPLE STEPS
Move text from screen to workflow
Open
Press Alt + Q whenever you need OCR.
Select
Drag across subtitles, web pages, documents, or app interfaces.
Use
Copy the result immediately or continue to translate and organize it.
Your screen content stays local by default
Quantum OCR runs recognition with models installed on your computer. Screenshots and OCR processing remain on your device for fast, privacy-conscious workflows.
READY WHEN YOU ARE
Windows x64Download Quantum OCRUnlock the text on your screen
Core OCR and region capture are free forever. Download Quantum OCR and handle on-screen information with less friction.