ocr4ai is an OCR service for images and PDFs via the web and API, designed for AI application developers or those who need to convert multiple documents into text. The API automates the step of extracting text directly in the processing workflow, eliminating the need to upload each file to the website.

Key Features

• Batch OCR via API: receive images, PDFs, and return text or Markdown, bounding boxes as source material for AI.
• Fast processing: estimated around 300–600 milliseconds/image, depending on the document and system load.
• Low cost: $0.01 (Fast), $0.08 (Accurate)/1 million input tokens and $0.01 (Fast), $0.08 (Accurate)/1 million output tokens.
• Supports over 80 languages, including Vietnamese, English, Chinese, Japanese, Korean, Hindi, and Russian.

ocr4ai prioritizes speed and cost for the data preparation step for AI. With minor errors like misplaced accents or a few incorrect characters, your AI tool can rely on context to understand content during summarization, note-taking, analysis, or document Q&A.

You can test your images or PDFs on the web before integrating the API for batch processing, automatically. No application installation is needed.

Try it on the web: https://ocr.laychu.com

API documentation: https://ocr.laychu.com/vi/api-docs