Choosing an OCR engine that runs in the browser
We compared Tesseract.js with PaddleOCR v5 and v6 tiny for scans that stay on the device. Why Tesseract runs the PDF tools in 23 languages.
Your files stay on your device
File processing runs in your browser. Documents are not uploaded to our servers. The site may download processing engines and send usage or feedback events without file contents.
How we handle your dataTopic: PDF
Why your files never leave the browser, and what that costs
Our PDF, OCR and Office tools work on files inside the browser tab. What that costs, and the exact fields of the anonymous action counts.
Compressing a PDF to a target size, and where it falls short
Compress PDF can aim at 1, 2 or 5 MB or a size you type. How it picks image quality, and why text-only files stay out of reach.
Testing on real public documents, in 23 languages
15,209 test cases over generated files and about 270 real public documents in 23 languages: what broke and what we fixed.