Unlimited OCR

Free AI-powered OCR that converts images, scans, and multi-page PDFs into clean, structured Markdown and editable text.

About Unlimited OCR

Unlimited OCR is a web-based tool that uses AI to extract text from images, scans, and multi-page PDFs, converting them into structured Markdown or plain text. It supports batch uploads, handles PDFs up to 50MB and 100 pages, and automatically detects multiple languages, including mixed-language documents. The tool preserves document structure such as tables, headings, and LaTeX formulas, and can recognize legible handwriting. No account or sign-up is required, and there are no usage caps. Files are processed in the cloud and are not stored after processing, emphasizing privacy. Unlimited OCR is free to use for all features.

Best for: students and researchers, finance and operations teams, legal and administrative professionals, developers and AI builders, analysts and data teams

Key features

Extracts text from images, scans, and PDFs into editable formats
Supports batch uploads for parallel processing of multiple files
Handles PDFs up to 50MB and 100 pages per run
Preserves tables, headings, and document structure in output
Recognizes multiple languages automatically, including mixed-language pages
Can extract legible handwriting and mathematical formulas
No account or sign-up required, and no usage limits
Processed files are not stored after completion, supporting privacy

Use cases

Convert scanned academic papers and lecture slides into Markdown notes
Extract structured data from receipts and invoices for import
Make scanned contracts and case files searchable and copyable
Prepare structured Markdown for LLM/RAG pipelines and downstream AI tasks
Convert tables in financial statements into spreadsheet-ready formats
Extract handwritten notes from meeting minutes or forms into editable text

Pros

Completely free to use with no sign-up or usage limits
Supports large files and batch processing
Preserves complex document structure including tables and formulas
Automatic multi-language detection, including mixed-language documents
No files are stored after processing, supporting privacy

Limitations

Input quality affects accuracy, especially for blurry or low-contrast scans
No desktop app or browser extension available
JPG or PNG images are limited to 10MB each
PDFs are limited to 50MB and 100 pages per run

Screenshots

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