Language overview
Crystal programming language
Crystal is a statically-typed, compiled programming language with a syntax reminiscent of Ruby. It aims to combine the expressiveness and developer-friendly features of Ruby with the performance and efficiency of C. Crystal is an ideal choice for high-performance applications, such as web servers, system-level software, and command-line tools. Its type system ensures type safety while still providing the flexibility and elegance of a scripting language. Crystal's concurrency support makes it suitable for building scalable and efficient server applications. Developers often opt for Crystal when they seek a balance between developer productivity and system performance.
Three simple steps
How to use this tool?
This free Crystal to PDF converter formats your source code as a readable, syntax-highlighted document in three simple steps.
- Step 1
Add your Crystal code
Type, paste, or upload the Crystal code you want to add to the PDF.
- Step 2
Customize the document
Choose the font size, syntax theme, line numbers, and optional document title.
- Step 3
Generate and download
Click Generate PDF to download the formatted document.
Built for readable output
Format code for sharing or printing
Control how your source code appears in the finished document before downloading it.
- Syntax highlighting for more than 50 programming languages
- Adjustable font sizes for comfortable reading
- Optional line numbers for easier reference
- Light and dark syntax themes
- An optional custom document title
- High-quality output for printing or sharing
Common questions
Frequently Asked Questions
How do I convert Crystal code to PDF?
Paste your Crystal code into the editor, customize your PDF options (theme, font size, line numbers), and click Generate PDF. You'll get a beautifully formatted PDF with Crystal syntax highlighting that you can download instantly.
Can I customize the Crystal PDF output?
Yes. You can choose between light and dark themes, adjust the font size, toggle line numbers on or off, and add a custom title. The output is a high-quality PDF with proper Crystal syntax highlighting, suitable for printing, sharing, or archiving.
Does the PDF include syntax highlighting for Crystal?
Yes. The converter applies full Crystal syntax highlighting to your code in the generated PDF, making it easy to read and visually clear. Keywords, strings, comments, and other Crystal tokens are color-coded.
Can I also convert, generate, or explain Crystal code?
Yes! CodeConvert AI offers a full suite of free tools for Crystal. You can convert Crystal code to 50+ other languages, generate new Crystal code from descriptions, or get step-by-step explanations of your Crystal code. Try the Crystal Code Generator
Is the Crystal to PDF tool free to use?
Yes. You can convert your Crystal code to PDF for free without creating an account. Just paste your code, customize the options, and download your PDF.
Do I need to sign up to use the Crystal to PDF tool?
No. The Crystal to PDF converter is completely free and requires no sign-up or account creation. Just paste your Crystal code and generate your PDF.
What are the benefits of signing in?
Signing in unlocks CodeConvert AI's Pro tool, which includes more powerful AI models, an integrated chat assistant, code execution, personal notes, conversion history, and an enhanced interface. Every account gets 5 free credits with support for up to 25,000 characters of input code per conversion — no credit card required.
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