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normcap

OCR-powered screen-capture tool to capture information instead of images.

    0.5.4

Maintainers
1

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NormCap

OCR powered screen-capture tool to capture information instead of images. For Linux, macOS and Windows.

Test Coverage Status CodeQL

GitHub PyPi Flathub AUR

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Links: Source Code | Documentation | FAQs | Releases | Changelog

Screencast

Quickstart

Choose one of the options for a prebuilt release. If you encounter an issue please take a look at the FAQs or report it.

Windows
Linux
macOS

Note: You have to allow the unsigned application on first start: "System Preferences" → "Security & Privacy" → "General" → "Open anyway". You also have to allow NormCap to take screenshots. (#135)

* Might be available delayed, as it is currently build/uploaded manually. (Thx, @Takrin!)

Install Python package

As an alternative to a prebuilt package from above you can install the NormCap Python package for Python >=3.9, but it is a bit more complicated:

On Linux
# Install dependencies (Ubuntu/Debian)
sudo apt install build-essential tesseract-ocr tesseract-ocr-eng libtesseract-dev libleptonica-dev wl-clipboard

## Install dependencies (Arch)
sudo pacman -S tesseract tesseract-data-eng wl-clipboard

## Install dependencies (Fedora)
sudo dnf install tesseract wl-clipboard

## Install dependencies (openSUSE)
sudo zypper install python3-devel tesseract-ocr tesseract-ocr-devel wl-clipboard

# Install normcap
pip install normcap

# Run
./normcap
On macOS
# Install dependencies
brew install tesseract tesseract-lang

# Install normcap
pip install normcap

# Run
./normcap
On Windows

1. Install Tesseract 5 by using the installer provided by UB Mannheim.

2. Identify the path to Tesseract base folder. It should contain a /tessdata subfolder and the tesseract.exe binary. Depending on if you installed Tesseract system-wide or in userspace, the base folder should be:

C:\Program Files\Tesseract-OCR

or

C:\Users\<USERNAME>\AppData\Local\Programs\Tesseract-OCR

3. Adjust environment variables:

  • Create an environment variable TESSDATA_PREFIX and set it to your Tesseract base folder, e.g.: "System Properties" → Tab "Advanced" → "Environment Variables..." → "New..." → Variable: TESSDATA_PREFIX, Value: "C:\Program Files\Tesseract-OCR"

  • Append Tesseract's base folder to the environment variable PATH, e.g.: "System Properties" → Tab "Advanced" → "Environment Variables..." → Section "User variables" → Select PATH → "Edit..." → Add a new entry "C:\Program Files\Tesseract-OCR"

  • To test your setup, open a new cmd-terminal and run:

    tesseract --list-langs
    

4. Install and run NormCap:

# Install normcap
pip install normcap

# Run
normcap

Why "NormCap"?

See XKCD:

Comic

Development

Prerequisites for setting up a development environment are: Python >=3.9, hatch and Tesseract >=5.0 (incl. language data).

# Clone repository
git clone https://github.com/dynobo/normcap.git

# Change into project directory
cd normcap

# Create virtual env and install dependencies
hatch env create

# Register pre-commit hook
hatch run pre-commit install

# Run NormCap in virtual env
hatch run python -m normcap

Credits

This project uses the following non-standard libraries:

  • pyside6 - bindings for Qt UI Framework

And it depends on external software:

Packaging is done with:

  • briefcase - converting Python projects into standalone apps

Thanks to the maintainers of those nice tools!

Similar open source tools

If NormCap doesn't fit your needs, try those alternatives (no particular order):

Certification

WOMM

Keywords

FAQs


Did you know?

Socket installs a GitHub app to automatically flag issues on every pull request and report the health of your dependencies. Find out what is inside your node modules and prevent malicious activity before you update the dependencies.

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