What are the free internet tools to convert PDF files?

There are several free online tools available that can help you convert PDF files to various formats or vice versa. Here are some popular ones:

1. Smallpdf: Smallpdf offers a range of PDF tools, including PDF to Word, Excel, PowerPoint, and vice versa. It also supports converting to and from other formats like JPG, PNG, and more.

2. ILovePDF: ILovePDF allows you to convert PDFs to Word, Excel, PowerPoint, JPG, and vice versa. It also offers tools for merging, splitting, compressing, and editing PDFs.

3. Zamzar: Zamzar is a versatile file conversion tool that supports PDF conversions to various formats like Word, Excel, JPG, HTML, and more. It allows you to convert files by uploading them or entering a URL.

4. PDF2Go: PDF2Go offers PDF conversion tools for converting to and from various formats, such as Word, Excel, PowerPoint, JPG, PNG, and more. It also provides options for merging, splitting, and editing PDFs.

5. Convertio: Convertio is an online file converter supporting numerous formats, including PDF conversions to Word, Excel, PowerPoint, images, and more. It allows conversion from cloud storage and offers integration with Google Drive and Dropbox.

6. PDF24 Tools: PDF24 Tools provide a suite of free PDF tools, including PDF conversion to Word, Excel, PowerPoint, and more. It also allows you to edit and compress PDF files.