
CopyFish
Free OCR browser extension for extracting text from images and PDFs.
About CopyFish
Copyfish is a free, open-source OCR (Optical Character Recognition) browser extension that extracts text from images, videos, and PDF files without requiring manual retyping. Available as extensions for Chrome, Edge, and Firefox, it turns text within any captured image into editable, reusable format suitable for documents, emails, and reports. The tool supports 20+ languages across two OCR engines and works seamlessly with web pages, screenshots, presentations, and gaming interfaces. Desktop text capture functionality is available through the optional UI.Vision XModule native app for Windows, Mac, and Linux. A notable limitation is that desktop OCR support requires installing an additional native application, which is not included by default.
At a glance
- Company
- a9t9 software GmbH (est. 2016)
- Platforms
- Chrome, Firefox, Edge, Web, Windows, Mac, Linux
- API
- Available
- Last verified
- July 2026
Who It's For
- •Students and researchers needing to digitize documents
- •Content creators and translators
- •Business professionals managing printed documents
- •Users working with multilingual content
- •Developers and power users (open-source community)
How It Works
- 1Uses two free OCR engines from the OCR.Space API service
- 2Captures text from images, videos, and PDF documents displayed on screen
- 3Converts captured text into editable, machine-readable format
- 4Supports both browser-based OCR and desktop screenshot capture with XModule
How to Use CopyFish
- 1Install the Copyfish extension from Chrome Web Store, Firefox Add-ons, or Edge Add-ons
- 2For browser content: use the extension directly on web pages, videos, or PDFs
- 3For desktop capture: right-click the Copyfish icon and select 'Desktop Text Capture'
- 4Install UI.Vision XModule separately for desktop OCR functionality
Key Features
- •Multi-language OCR support (20+ languages including Chinese, Arabic, Japanese, Korean, Russian, etc.)
- •Works on web pages, images, videos, and PDF documents
- •Desktop screenshot capture functionality (with XModule)
- •Text extraction from browser extensions, menus, and presentations
- •Open-source under GPL license
- •Available for Windows, Mac, and Linux
Use Cases
- •Extracting text from photographs, screenshots, and documents
- •Digitizing printed materials like brochures, leaflets, and charts
- •Capturing error messages and system notifications
- •Reading text from video content and gaming interfaces
- •Translating text extracted from images
Pros & Cons
Advantages
- •Completely free with no hidden costs or premium tiers
- •Open-source GPL license provides transparency and community-driven development
- •Supports 20+ languages across multiple OCR engines for flexible recognition
- •Works seamlessly across major browsers (Chrome, Firefox, Edge) without installation barriers
Disadvantages
- •Desktop screenshot capture requires installing a separate native application (UI.Vision XModule)
- •Dependent on OCR.Space API performance and availability
- •Limited customization options for OCR settings compared to dedicated desktop OCR software
Alternatives
- Ask Your PDF
- AskGPT
- BrainyPDF
- Tesseract
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Frequently Asked Questions
What is CopyFish?
Copyfish is a free, open-source OCR (Optical Character Recognition) browser extension that extracts text from images, videos, and PDF files without requiring manual retyping. Available as extensions for Chrome, Edge, and Firefox, it turns text within any captured image into editable, reusable format suitable for documents, emails, and reports.
How much does CopyFish cost?
CopyFish is free to use.
Is CopyFish free?
Yes, CopyFish offers a free plan you can start with.
What are the best CopyFish alternatives?
Popular CopyFish alternatives include Ask Your PDF, AskGPT, BrainyPDF.
What is CopyFish used for?
CopyFish is commonly used for Extracting text from photographs, screenshots, and documents, Digitizing printed materials like brochures, leaflets, and charts, Capturing error messages and system notifications.
Does CopyFish have an API?
Yes, CopyFish offers an API for developers.
What platforms does CopyFish support?
CopyFish is available on Chrome, Firefox, Edge, Web, Windows, Mac, Linux.
Information Accuracy
Please note: While we regularly update all tool information including descriptions, features, pricing, and other details, this information may change over time as tools evolve and update their offerings. For the most current and accurate information, we recommend visiting the official website directly. Our goal is to provide you with comprehensive and up-to-date information to help you make informed decisions.