# Which format should you use?

Source: https://mergevanta.com/compare

> Side-by-side comparisons of document formats and tools.

- [PDF vs Word: which format should you use?](https://mergevanta.com/compare/pdf-vs-word): PDF vs Word compared on editing, layout, compatibility and security — plus when to send a PDF, when to share a .docx and how to convert between them free.
- [JPG vs PNG: which image format is better?](https://mergevanta.com/compare/jpg-vs-png): JPG vs PNG compared on compression, quality, transparency and file size — and which format to use for photos, screenshots, scans and PDFs.
- [PDF vs PDF/A: what's the difference?](https://mergevanta.com/compare/pdf-vs-pdf-a): PDF vs PDF/A explained: what the archiving standard requires, what it forbids, and when courts, governments and archives ask for PDF/A files.
- [Online PDF tools vs desktop software: which should you use?](https://mergevanta.com/compare/online-vs-desktop-pdf-tools): Online PDF tools and desktop PDF software compared on cost, privacy, features and convenience — and how to choose the right one for merging and converting.