Chalk.ist - Create beautiful images of your source code

Chalk.ist - Create beautiful images of your source code

Turn your source code into beautiful images

Created Aug 29, 2025
Updated May 31, 2026

What it is

Codeimg.io is a web-based tool that transforms source code snippets into stylized, visually appealing images. It is designed for developers, technical writers, educators, and content creators who wish to share their code on social media, in blog posts, presentations, or documentation in a more engaging and readable format.

Main Features

Customization

  • A wide selection of syntax highlighting themes to match various color preferences
  • Customizable background styles, including colors, gradients, and images
  • Adjustable padding and window control styling (e.g., MacOS-style window buttons)
  • Support for adding custom watermarks

Output & Compatibility

  • Support for a vast array of programming and markup languages for accurate syntax highlighting
  • High-resolution image export capabilities
  • Ability to create both standalone code snippets and longer, scrollable code samples

How it works

Creating a Social Media Snippet

A user pastes their source code into the web application. They then select the appropriate programming language from a dropdown menu. The user customizes the appearance by choosing a color theme, adjusting the padding, and optionally adding a watermark. Finally, they download the resulting high-quality image to share on platforms like Twitter or LinkedIn.

Embedding Code in a Presentation

A developer preparing a slide deck can use the tool to generate a clean, aesthetically consistent code screenshot. They can choose a theme that matches their presentation's color scheme, ensure the font size is large enough for audience visibility, and export the image for direct insertion into their slides.

Key Points

  • The tool enhances the visual presentation of code, making it more shareable and professional-looking.
  • It eliminates the need for cumbersome screenshot editing in other software by providing an all-in-one solution.
  • The focus is on readability and aesthetics, improving communication when sharing code examples.

Additional Details

Codeimg.io is a web application, accessible through a standard browser with no installation required. The core service appears to be free to use, though advanced features or high-volume usage may be subject to a premium pricing model. Specific system requirements are minimal, relying only on a modern web browser.

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