Code Screenshot Generator

What the Code Screenshot Generator does

The Code Screenshot Generator turns a plain code snippet into a polished, shareable image. You paste your code, pick a syntax theme and a colourful background, and the tool renders a styled window that you can download as a PNG — ideal for blog posts, documentation, tutorials, slides and social media.

Unlike many similar tools, this one does all the rendering locally. Your code is syntax-highlighted in the browser and drawn onto an HTML canvas, then exported as an image with no external service involved. That means it also works offline once the page has loaded.

It supports several popular themes such as One Dark, Dracula, Nord, Monokai and GitHub Light, optional macOS or Windows style window controls, and syntax highlighting for languages including JavaScript, TypeScript, Python, CSS, HTML, JSON, Bash and SQL.

How to use it

Paste or type your snippet into the code box and choose the matching language so the highlighter colours keywords, strings, numbers and comments correctly. Then pick a theme to set the editor colours and a gradient background to frame the window.

Adjust the padding around the code and choose a window style — a macOS-style traffic-light header, a Windows-style header, or none for a clean frame. The preview updates as you change options.

When it looks right, click download to save the result as a PNG image rendered directly from the canvas. You can then drop it straight into a post, README or presentation.

Tips for sharp, readable images

Keep snippets short and focused — a screenshot of 10–25 lines reads far better in a feed than a long scroll, and the framed window draws attention to the key code. Selecting the correct language is the single biggest factor in getting clean highlighting, since each language uses its own keyword set.

Choose a background gradient with enough contrast against the theme so the window stands out, and add a little extra padding if you plan to crop or place the image on a busy page.