Are NanoTools completely free to use?

Yes, all basic tools on NanoTools are completely free to use with no registration required. We offer premium features for power users.

Is my data secure when using NanoTools?

Your files are processed securely and are automatically deleted after processing. We do not store your files or data on our servers.

No installation required. All tools work directly in your browser on any device - computer, tablet, or smartphone.

We support a wide range of formats including PDF, JPG, PNG, WebP, GIF, JSON, XML, CSV, and many more depending on the tool.

PDF OCR online for free. Convert scanned PDFs to searchable text. Extract text from image-based PDFs.

Drop scanned PDF here or click to browse

.pdf, application/pdf • Max 100MB

1
Upload scanned PDF
Select the image-based or scanned PDF document
2
Choose language
Select the document language for accurate recognition
3
Configure OCR settings
Set quality options and layout preservation preferences
4
Download searchable PDF
Save the PDF with recognized, searchable text

1

Select the image-based or scanned PDF document

2

Select the document language for accurate recognition

3

Set quality options and layout preservation preferences

4

Save the PDF with recognized, searchable text

The tool supports 100+ languages including English, Spanish, French, German, Chinese, Arabic, and more.

Accuracy depends on scan quality. Clear, high-resolution scans yield 95%+ accuracy. Poor scans may need manual correction.

OCR works best with printed text. Handwriting recognition is limited and may produce errors.

No, the original image remains, with recognized text layered invisibly for searching and copying.