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Extract Thai Text From Scanned PDFs

Read scanned Thai-language PDFs into editable text with local OCR. Private, free, no uploads. รองรับภาษาไทย.

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OCR PDF

Turn a scanned PDF — a picture of text — into real, copyable text.

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Drop a scanned PDF here or click to browse

Runs in your browser. The first run downloads language data (~10–20 MB); recognition takes a few seconds per page.

OCR for Thai Documents

Thai script is demanding for OCR, and few free tools handle it without uploading your file. This page uses the Thai-trained Tesseract model locally, so Thai scans — official letters, receipts, contracts — become selectable text without leaving your browser.

English + Thai Mixed Pages

Many Thai documents mix English terms and numbers. Choose the combined English + ไทย mode so both scripts are recognized on the same page. Higher-resolution scans and the 3× accuracy setting noticeably help Thai recognition.

Extract Thai Text From Scanned PDFs — Frequently Asked Questions

Can it read Thai script?

Yes. Select Thai (or English + ไทย for mixed documents) and the matching Tesseract model is loaded and run locally in your browser.

Is my Thai document uploaded?

No — recognition is entirely local; the file never leaves your device.

Why is Thai OCR slower?

Thai is computationally harder and the language data is larger, so allow a little more time per page, especially at the 3× setting.