Image character recognition/offline OCR extraction tool | ZeroTools

Extracts Japanese and English character data from image files (PNG, JPEG, WebP, etc.) and performs transcription completely locally on the browser. Confidential information and contracts are safe as no data is sent to the server.

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Client-Side Secure Execution

This tool executes entirely in your browser sandbox. None of your input strings, files, or configurations are uploaded to any external server.

ZeroTools: Browser Processing & Privacy

ZeroTools focuses on tools that process input on your device. Check each tool’s scope and limitations before use.

Processing and privacy policy
Article Index
Chapter 1

Technical Specifications & Architecture

Will vertical or handwritten text be accurate? Japanese and English recognition are available, but accuracy for vertical or handwritten text is not guaranteed. Compare the output with the source image.

Are images uploaded? Recognition runs on your device. Downloading the OCR engine and language data requires a connection.

Can I save the result? Copy the recognized text or save it as a text file.