Question 1

Are my images uploaded to a server?

Accepted Answer

No. OCR runs entirely in your browser with tesseract.js. Your images never leave your device, so even private documents stay private.

Question 2

Which languages can it recognize?

Accepted Answer

English and Japanese. Pick the language that matches your image before running OCR. The matching recognition data is downloaded once and cached by your browser.

Question 3

What image formats are supported?

Accepted Answer

PNG, JPG (JPEG), and WebP, plus any other still image your browser can display. Drag and drop a file or click to choose one.

Question 4

Why is the first run slower?

Accepted Answer

The first OCR run downloads the recognition engine and language data. After that they are cached, so later runs start much faster.

Question 5

How can I get better accuracy?

Accepted Answer

Use a sharp, high-contrast image with level, well-lit text. Crop out backgrounds, avoid heavy compression, and choose the correct recognition language for the best results.

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