https://onlineocrfree.qzz.io 1 Upload 2 Settings 3 Ready! Upload Your Files Welcome to onlineocrfree! Start by dropping your PDF or image files below. Watch a quick tutorial Drag & drop files here or Browse Files Supported: PDF, PNG, JPG, TIFF, BMP, WebP Next Choose Your Settings Pick the language of your documents and an OCR engine. Document Language [] OCR Engine Tesseract OCR Free Works offline. Good for clean documents. Google Vision Free Trial Cloud-based. Best accuracy for most documents. You can claim 100 free Google Vision OCR credits from the dashboard. Or choose another engine: [-- Select from all engines --] Back Next You're All Set! Here's a summary of your setup: Files 0 files Language English Engine Tesseract OCR [ ] Don't show this again Go to Dashboard You can change any of these settings anytime from the toolbar. Free Online OCR for PDF & Images (Bangla, English & 60+ Languages) Convert scanned PDF and images to text instantly. Free OCR with Bangla support, multi-page PDF, batch processing, and AI-powered extraction. PDF OCR Bangla OCR Features FAQ Online OCR for PDF & Image Files Convert scanned PDF documents and images into editable text using our free online OCR tool. Supports multi-page PDFs, batch uploads, and column-based layouts. Extract text from JPG, PNG, or PDF with high accuracy. Upload multiple files at once and process them all in one go with our streamlined batch processing pipeline. Free PDF OCR Online Upload scanned PDFs and convert them to searchable text. Select page ranges, split columns, and download results as TXT, PDF, or ZIP. Optimized 300 DPI processing improves text recognition quality. Our preprocessing pipeline applies grayscale conversion, sharpening, and thresholding to maximize character detection accuracy. Bangla OCR Online (baaNlaa OCR) Advanced Bangla OCR engine optimized for Bengali printed text. Supports mixed language recognition (eng+ben) for documents containing both English and Bangla content. Includes automatic post-processing to fix common character misreads in Bangla documents, delivering high-quality text extraction for Bengali scripts. AI-Powered OCR Engines Choose from multiple OCR engines to match your needs. Tesseract is free and runs locally for quick results. Google Vision API provides cloud-based recognition with excellent accuracy. OpenRouter AI models (Gemma, Mistral, and custom models) offer flexible, AI-driven text extraction for complex document layouts. Features Overview 60+ Languages OCR support for English, Bangla, Chinese, Japanese, Korean, Arabic, and many more. Multi-page PDF Process entire PDF documents with custom page range selection. Batch Processing Upload and process multiple files simultaneously with concurrent threads. Column Splitting Split multi-column documents for accurate per-column text extraction. Image Preprocessing Automatic grayscale, sharpen, and threshold for better recognition. Email Results Submit background jobs and receive OCR results via email as ZIP or PDF. Dark & Light Theme Comfortable reading experience with automatic theme detection. Multiple Export Formats Download as combined TXT, individual ZIP, or formatted PDF. Frequently Asked Questions Is this OCR tool free? Yes, the Tesseract OCR engine is completely free to use online with no limits. Google Vision offers a free trial with 100 credits. AI models require your own API key. Can I convert scanned PDF to text? Yes, multi-page PDF files are fully supported. You can select specific page ranges, split columns, and export results as TXT, ZIP, or PDF. Does it support Bangla OCR? Yes, onlineocrfree includes an optimized Bengali OCR engine with automatic post-correction for common Bangla character misreads. Mixed Bangla+English recognition is also supported. What file types are supported? PDF, JPG, PNG, and other common image formats are supported. PDFs can be multi-page with custom page range selection. How many languages are supported? Over 60 languages including English, Bangla, Chinese (Simplified & Traditional), Japanese, Korean, French, German, Spanish, Russian, Arabic, and many more. Do I need to create an account? No account or signup required. Upload your files and start extracting text immediately. Your preferences are saved locally in your browser. Can I translate extracted text using OCR? Yes! Use an AI engine (Gemini, OpenRouter) and set a custom prompt in Advanced Settings to translate extracted text into any language -- for example, translate English documents into Bangla while preserving the original layout and formatting. Here's a sample prompt you can paste: Show sample translation prompt (English - Bangla) You are an advanced OCR engine. Extract all readable text from this image. After completing the extraction and layout reconstruction, **translate the entire content into Bangla**, strictly preserving the exact same visual and structural format. Return valid Markdown and HTML that strictly preserves the visual and structural layout of the document. --- ### Rules for Structure Preservation: * **Layout Detection (CRITICAL):** * If the image has a **multi-column layout**, you MUST use an HTML `` with `style="border: none; border-collapse: collapse; width: 100%;"` to represent text side-by-side. * Ensure all `` tags include `style="border: none; vertical-align: top;"` to ensure no borders are rendered and text aligns to the top. * If the image is a **single-column layout**, use standard paragraphs and headings. * **Hierarchy:** Use appropriate Markdown headers (#, ##, ###) or bold text to match visual importance. * **Mathematical Expressions:** You **must** use $...$ for inline math and $$...$$ for block math. * **Formatting:** Use **bold** for visually bold text and *italics* for italicized text. * **Lists:** Use Markdown syntax for bullets or numbered lists. * **Accuracy:** First transcribe text exactly as written. Then translate all textual content into Bangla while keeping the same structure, formatting, table layout, line breaks, emphasis, and mathematical notation. --- ### Output Constraints: * Do not add commentary or summaries. * Do not include the original language in the final output. * Return only the Bangla-translated Markdown/HTML content. * Use HTML tables for multi-column layouts to ensure a borderless appearance. Can I bulk OCR multiple files at once? Yes, onlineocrfree supports bulk OCR. Upload multiple images or PDFs, configure concurrent threads in Advanced Settings, and process them all at once. Results can be exported as a combined TXT, ZIP, or PDF. (c) 2025 onlineocrfree. Free online OCR tool for PDF and image text extraction. onlineocrfree online ocr free Open Source [ English ] [Tesseract OCR (Free) ] [ ] Free Trial (100 OCR) [ ] [ ] [ ] [ ] [Markdown (structured headings, tables, lists)] [ ] Export Files (0) Clear Drop files here Preview No file selected Columns Confirm Split Select a file to preview Page 1 of 1 Extracted Text Edited -- changes will be included in export [ ] Start OCR Processing Overall: 0 / 0 ETA -- Waiting to start... File Settings Rotation 0deg 90deg 180deg 270deg Start Page (optional): [ ] End Page (optional): [ ] Leave both empty to process full PDF. Cancel Save Select Columns Choose the number of text columns in your documents to guide OCR. 1 (Reset) 2 3 4 5 6 7 Cancel Review Before Start Please confirm processing setup. Language - Columns - Selected items - OCR Engine - Concurrent Threads - Custom Prompt Active Tesseract is slower and less accurate. For better results, try Google Vision or OpenRouter. Email me when done Cancel Start All Export OCR Results Choose export format for processed files. Combined Text File All text merged into a single .txt file Separate Files (.ZIP) Individual .txt files zipped into an archive PDF Document Works best with AI models Cancel Process & Email Files will be processed on the server. You can close the browser after submitting. Email Address [ ] Result Format ZIP (Text files) PDF Document Send Verification Code Code sent to Verification Code [ ] Verify & Submit Job Resend Code Cancel Get Free Trial Key 100 free OCR credits using Google Vision. First 50 users only. Currently only works for Google Vision. Email Address [ ] Send Verification Code Code sent to Verification Code [ ] Claim My Free Key Resend Code Trial key claimed! The key has been filled into the API key field automatically. Close Advanced Settings Configure processing behavior and AI prompt customization. Concurrent Threads 1 Process multiple files simultaneously. Higher values use more resources. [1 ] Image Preprocessing [*] Grayscale, sharpen & threshold pipeline. Disable for AI models if raw images give better results. Custom AI Prompt [ ] [ ] [ ] [ ] Use Translation Prompt Show default prompt Reset All Cancel Save Notice Cancel OK Tutorial Close Copied to clipboard!
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