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OCR.space OCR API

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description OCR.space OCR API Overview

OCR.space OCR API is a web service that uses optical character recognition to extract text from images and documents. Developers can submit image files, PDFs, or image URLs and receive recognized text in a machine-readable response. The service is intended for applications such as document processing, searchable archives, and text extraction, with support for several languages and configurable processing options.

help OCR.space OCR API FAQ

Can the OCR.space OCR API process PDFs and image URLs?

Yes. Developers can submit image files, PDFs, or image URLs and receive recognized text in a machine-readable response. The API documentation includes an image-URL endpoint as well as file upload workflows.

What are the OCR.space free-plan conversion limits?

The current API documentation lists 25,000 Engine 1 and Engine 2 conversions plus 2,500 Engine 3 conversions on the free plan. These are conversion quotas, so file size and processing time still affect practical throughput.

Does OCR.space create searchable PDF files?

No. OCR.space states that its searchable-PDF parameter is currently ignored, although the API can return recognized text, word positions, and table output. Engine 3 can format recognized tables as Markdown.

Which OCR.space engine should I use for handwriting or tables?

Engine 1 or Engine 2 is suitable for ordinary printed text, while Engine 3 is aimed at handwriting, mixed orientations, stylized fonts, and tables. Engine 3 is more compute-intensive and has its separate 2,500-conversion free quota.

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