REST APIs and Free Apps for documents & images conversion on cURL device. Convert between PDF, Microsoft Word, Excel, MHT, Rtf, PPTX, Project, HTML, email and images using our Free Apps....cURL Convert MHT to RTF Convert MHT to RTF via Free App or cURL...including but not limited to MHT, RTF, PDF, DOCX, XLSX, PPTX, HTML...