Developer Tools
All tools are free. No account, subscription or API key required.
Merge PDF, split PDF, format JSON, encode Base64, generate UUIDs — each tool has its own page for search and sharing.
19Tools
0Sign-in needed
Merge PDF
FreeCombine PDF files in your chosen order.
PDF →Split PDF
FreeSplit a PDF into individual pages or custom page groups.
PDF →Image to PDF
FreeCombine JPG, PNG and WebP images into a PDF.
PDF →PDF to Image
FreeExport selected PDF pages as PNG or JPEG images.
PDF →Online Compiler
Open compiler →Write and run JavaScript, Python, HTML and CSS in our Online Compiler.
Tool questions
Are Codementrix developer tools free?
Yes. Every public tool is free and does not require an account or API key.
Can I merge PDF files online here?
Yes. Open the Merge PDF tool, add files in order, and download the combined PDF. Processing stays in your browser.
Do files upload to a server?
PDF and formatter tools run in your browser. We do not ask you to create an account to use them.