Okay, not everything. The idea is to support different formats and maybe provide some additional information or tools.
- Audio – if the browser supports the format
- CSV
- EML
- Show the email headers
- Show the email body with external resources removed
- Show the email body with loaded external resources
- iCal
- Image – if the browser supports the format
- GIF: Step through each frame
- PDF – if the browser supports it
- Text
- With syntax highlighting for selected languages
- VCF (vCard)
- Video – if the browser supports the format
- ZIP
- Show a list of the directory structure and files
- CSV – https://github.com/vanillaes/csv
- highlight.js – https://highlightjs.org/
- ical.js – https://github.com/mozilla-comm/ical.js
- JSZip – https://github.com/Stuk/jszip
- omggif – https://github.com/deanm/omggif
- vCardJS – https://github.com/nilclass/vcardjs