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Swizztool

Code to Image Converter

Create sleek code screenshots for Twitter, LinkedIn, documentation, and blog posts. Customize editor themes, background gradients, padding, and window styling.

Preview

debounce.ts
1// Fast debounce helper in TypeScript
2export function debounce<T extends (...args: any[]) => any>(
3 fn: T,
4 waitMs: number = 300
5): (...args: Parameters<T>) => void {
6 let timer: NodeJS.Timeout;
7 return (...args: Parameters<T>) => {
8 clearTimeout(timer);
9 timer = setTimeout(() => fn(...args), waitMs);
10 };
11}

How to use Code to Image Converter

  1. Paste or type your code.
  2. Pick a color theme and background, and set the padding.
  3. Turn line numbers and window buttons on or off.
  4. Click Download PNG.

About Code to Image Converter

Turn a code snippet into a polished image for social posts, slides, and docs. Pick a color theme and gradient background, adjust padding, show or hide line numbers and window buttons, and download a sharp PNG.

Related tools: JSON Formatter & Validator, Base64 Encoder / Decoder, URL Encoder / Decoder, JWT Decoder

Styling options

Themes include Dark Modern, Monokai, Dracula, and One Light. Backgrounds range from bright gradients to solid black. The filename appears in the window bar, which helps viewers know what they are looking at.

Keywords, strings, numbers, and comments are colored with one general set of rules, so common languages such as JavaScript, Python, Go, and SQL look right without choosing a language.

Getting a good-looking image

Keep snippets short, ideally under 20 lines, and trim long lines so text stays readable when the image is scaled down in a feed. The image is exported at twice the on-screen size, so it stays crisp on high-resolution screens.

For accessibility, include the code as text in your post or doc as well; screen readers cannot read code from an image.

Common uses

Social posts
Share a tip or snippet on X or LinkedIn as an eye-catching image.
Slides and talks
Drop readable code into presentations.
Docs and blogs
Add styled code previews to articles and READMEs.
Tutorials
Create consistent images for each step of a lesson.

Questions about Code to Image Converter

What languages are supported?
Any language. Highlighting uses one general set of rules that colors keywords, strings, numbers, and comments, so common languages look right without choosing a language.
Is high resolution export supported?
Yes. The PNG is exported at twice the on-screen size, so it stays sharp on high-resolution screens and in slides.
Is my code uploaded?
No. The image is drawn in your browser and downloaded directly.
Can I change the font size?
Not directly. Use padding and shorter lines to control how large the code appears.
Can I hide the window buttons and filename?
Yes. Turn off Window buttons to show only the code card.

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Comments

Questions, ideas, or a bug in Code to Image Converter? Let us know.