Answers to all your questions about the free online PDF OCR tool,
helping you get started quickly and make full use of all features.
PDF OCR tool is a professional free online text recognition software that can extract and recognize text content from PDF documents. Whether it's scanned PDFs, image PDFs or text PDFs, it can accurately recognize and convert them to editable text format. Completely free to use, no registration required.
Usage is very simple: 1) Upload your PDF file (supports drag and drop upload); 2) Click the "OCR Full Page" button to start free online recognition; 3) Wait for recognition to complete, then copy the extracted text with one click. The entire process usually takes only a few dozen seconds and is completely free.
Supports all standard PDF formats, including: scanned PDFs (scanned copies of paper documents), image PDFs (PDFs generated from images), text PDFs (electronic PDFs). Regardless of the format, effective free online text recognition can be performed.
Under clear document conditions, English and Chinese recognition accuracy can reach over 99%. Recognition effectiveness mainly depends on the quality of the original document, including clarity, font size, contrast and other factors. High-quality PDF files are recommended for best free online recognition results.
Mainly supports English and Chinese recognition, specially optimized for mixed English-Chinese documents. Also supports recognition of numbers, punctuation marks and common special characters. Provides high-quality English and Chinese text recognition.
The free online PDF OCR tool supports PDF files up to 50MB. This size limit can meet the needs of most users, including long documents and high-definition scanned files. If files are too large, compression processing is recommended first.
Absolutely safe! All file processing is completed locally in your browser, files are never uploaded to any server. This means your document content is completely confidential, no need to worry about privacy leakage. Free online use with local processing to protect privacy.
No files will be saved. All processing occurs in browser memory, and all data is automatically cleared when the page is refreshed or closed. We cannot access your file content. Free online tool with zero storage risk.
No registration or personal information required at all. You can directly use all features by opening the webpage, with no usage limit and no user data collection. Truly free online PDF to text tool.
Recognition quality is mainly affected by the following factors: 1) Original document clarity; 2) Font size and type; 3) Image contrast; 4) Document tilt angle. It's recommended to use clear, upright, high-contrast PDF files. Free online tool quality depends on input document quality.
Limited recognition effectiveness for handwritten text. The free online PDF OCR tool is mainly optimized for printed text. For clear, neat handwritten text, there may be some recognition effectiveness, but accuracy will be significantly reduced. Printed documents are recommended first.
Recognition speed mainly depends on: 1) Document size and complexity; 2) Device performance; 3) Browser performance. You can try: using newer browsers, closing other tabs, ensuring sufficient device memory. Free online tool performance depends on local device.
Completely free to use! No payment required, no usage limit, no file size limit (within 50MB), no advertisement interference. We are committed to providing free, professional online PDF text recognition services. Permanently free online use.
Absolutely no hidden charges. All features of the free online PDF OCR tool are completely free, and no payment or premium version purchase will be required during usage. Truly free online service.
If your question is not answered in the above FAQ, feel free to start using the free online PDF OCR tool directly. Most questions can be resolved through actual operation.