Readable JavaScript source documents
Convert JS and JSX source code to PDF
KissPDF converts uploaded JavaScript files or pasted source into normal PDF pages—not screenshots and not one tall image. Imports, exports, functions, classes, async code, template literals, comments, and JSX markup remain easy to scan while the text stays selectable and searchable.
This tool formats source code; it does not execute JavaScript, open a website, render a React component, or capture browser output. The exact preview and downloaded PDF come from the same document snapshot, with controls for code size, theme, line numbers, title, paper size, margins, and page numbers.
Three steps
How to convert JS or JSX files to PDF
Upload or paste JavaScript
Open a .js, .jsx, .mjs, or .cjs source file, or replace the sample with a module, component, Node.js script, browser function, assignment, or review excerpt.
Customize the code document
JavaScript highlighting recognizes JSX automatically. Adjust the code size, light or dark theme, line numbers, title, paper format, margins, and page numbering.
Preview and download
Inspect the actual paginated PDF, zoom or move around the preview, and download the same layout directly without opening a system print dialog.
Made for JavaScript source
When a JavaScript code PDF is useful
JavaScript normally belongs in a repository, but a stable paged copy is useful when code must be submitted, reviewed, printed, or attached to documentation without requiring an editor, package manager, or running application.
Frontend, AI-generated code, and component reviews
Turn JavaScript created in an editor or AI assistant into a stable document, or share browser logic, utility modules, JSX components, event handlers, and state-management excerpts with line numbers.
Node.js scripts and services
Document command-line scripts, server handlers, CommonJS modules, ES modules, build configuration, or automation code without executing it.
Assignments and technical appendices
Present algorithms, exercises, teaching examples, or implementation excerpts in reports while keeping the JavaScript source searchable.
JavaScript-aware formatting
Keep JS and JSX readable on the page
JavaScript source mixes nested callbacks, modules, object literals, template strings, and sometimes JSX markup. Monospaced formatting preserves that structure while automatic pagination produces conventional PDF pages.
JavaScript syntax highlighting
Keywords, imports, exports, functions, classes, strings, template literals, numbers, comments, and common expressions receive distinct source-code styling.
JSX-aware editing
Opening a .jsx file automatically selects an editor mode that recognizes embedded JSX tags, attributes, expressions, and JavaScript syntax.
Modern module file support
Open .js and .jsx files as well as .mjs ES modules and .cjs CommonJS modules. The original line breaks and indentation remain intact.
Formatting without execution
The converter does not run Node.js, load npm packages, resolve imports, access a browser DOM, make network calls, or evaluate the source.
Common questions
JavaScript to PDF FAQ
How do I convert a JS file to PDF?
Click Open file and choose a local .js file, or paste the JavaScript into the editor. Adjust the document options, inspect the exact page preview, and download the PDF. The source is read locally in your browser.
Can I convert JSX to PDF?
Yes. Open a .jsx file and the JavaScript editor recognizes JSX tags and embedded expressions automatically. The original source is placed into the PDF as selectable text.
Does this convert a React component into its rendered page?
No. It converts the JSX source code itself into a readable document. It does not start React, render components, apply CSS, or capture the visual application output.
Is this the same as jsPDF or a JavaScript PDF library?
No. This tool converts JavaScript source code into a readable PDF document. It does not provide an API for generating application reports, rendering HTML, or creating PDFs programmatically.
Does the converter execute my JavaScript?
No. Source code is never evaluated. The tool does not run Node.js, access the DOM, import packages, call APIs, or include console output.
Are .mjs and .cjs files supported?
Yes. Both ES module .mjs files and CommonJS .cjs files are recognized as JavaScript, alongside standard .js source files.
Will the converter format or beautify minified JavaScript?
It preserves the source text you provide but does not rewrite or beautify it. Run a trusted formatter first if you want minified code expanded before creating the PDF.
Can I remove the document title or line numbers?
Yes. The title, line numbers, and page numbers are separate settings, and the exact PDF preview updates before download.
Will long JavaScript files continue across PDF pages?
Yes. Long source files flow across A4 or Letter pages while remaining selectable and searchable instead of being flattened into an image.
Is my JavaScript source uploaded to a server?
The source file and generated PDF are processed in this browser. The code is not sent to a document-conversion API, although normal website and CDN requests can still occur.