Code to PDF
Convert source code to PDF with syntax highlighting.
100+ Languages
Python, JS, TS, Go, Rust, Java, C/C++, SQL, and more.
Syntax Highlighting
Color-coded keywords, strings, comments, and identifiers.
Line Numbers
Numbered lines make code easy to reference in reviews.
Complete Your Workflow
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What is Convert Code to PDF?
Code to PDF conversion preserves source code in a print-ready, share-friendly format with syntax highlighting intact — turning a raw .py, .js, or .ts file into a document you can include in a coursework submission, a code review handout, a patent filing, or a technical archive. PDF Zone's Code to PDF tool detects the language from the file extension or your selection, applies syntax highlighting with highlight.js, adds line numbers, and renders the result to a PDF with monospaced font and proper page breaks. Common queries like "python code to pdf," "source code to pdf," and "save code as pdf" all map to this single workflow. The whole conversion runs client-side, which matters when the code contains proprietary algorithms, API keys, or private business logic you don't want passing through a third-party server.
How to Convert Code to PDF
Follow this step-by-step guide to easily process your PDF files locally on your device.
Paste Code or Upload File
Drop a .py / .js / .ts / .go / .rs file, or paste code directly into the editor.
Select Language (Optional)
Override the auto-detected language if you want a specific syntax theme applied.
Download PDF
Click Convert and download a syntax-highlighted PDF with line numbers.
Why Use This Tool?
100+ Language Support
Python, JavaScript, TypeScript, Java, C, C++, C#, Go, Rust, Ruby, PHP, Swift, Kotlin, SQL, HTML, CSS, and many more via highlight.js.
Syntax Highlighting
Color-coded keywords, strings, comments, and identifiers based on the detected language.
Line Numbers
Numbered lines make it easy to reference specific portions of the code in reviews and documentation.
Auto Language Detection
The tool detects the language from the file extension or guesses based on syntax — no manual setup needed.
Why Choose PDF Zone?
See how our client-side approach compares to traditional cloud-based PDF tools.
PDF Zone never uploads your files. Process sensitive documents with complete privacy and security.
Zero file uploads, ever
No upload/download delays
No server = No breaches
Frequently asked questions
Drop your .py file (or paste the code) into the editor and click Convert. The tool detects Python, applies Python-flavored syntax highlighting (keywords like def / class / import colored, strings highlighted, comments greyed), adds line numbers, and produces a PDF that's ready for a coursework submission, code review handout, or technical doc. This is the same workflow people search for as 'python code to pdf' or 'convert python to pdf' — both queries describe this operation.
Anything highlight.js supports — 100+ languages including Python, JavaScript, TypeScript, Java, C/C++/C#, Go, Rust, Ruby, PHP, Swift, Kotlin, Scala, R, Lua, Perl, Shell/Bash, PowerShell, SQL, HTML/CSS/SCSS, JSON, YAML, TOML, XML, Markdown, GraphQL, Dockerfile, Makefile, and dozens more. If you have a file extension that's not auto-detected, you can select the language manually.
Yes. The output uses a monospaced font and preserves exact whitespace — leading spaces, tabs, alignment — so Python's significant indentation, YAML's nesting, and Makefile's tab requirements all survive the conversion intact.
No. Highlighting and PDF generation both run entirely in your browser. Your source code never leaves your device. This matters when the code contains proprietary algorithms, API keys, customer data references, or any internal business logic you don't want passing through a third-party server. Many cloud-based code-to-PDF services log or cache submitted content; PDF Zone is built specifically to avoid that exposure.
Most IDEs (VS Code, IntelliJ, Sublime) can print to PDF, but the output is rarely well-formatted — colors get washed out, syntax highlighting doesn't match the file, and line numbers vary. This tool produces a cleaner, more consistent result, and it works without opening the file in an editor.
Who uses Code to PDF?
Coursework Submissions
Submit assignments with properly formatted, syntax-highlighted code instead of raw text files.
Code Review Handouts
Print code for offline review meetings, walkthroughs, or pair-programming sessions.
Technical Documentation
Embed code snippets into PDF reports, patent filings, or compliance documents.