libreoffice

install libreofficekit

sudo apt-get install libreoffice libreofficekit-dev

install package

go get github.com/atopx/libreoffice@latest

example for convert

package main

import "github.com/atopx/libreoffice"

func main() {
    office, err := libreoffice.NewOffice("/usr/lib/libreoffice/program")
    if err != nil {
       t.Fatal(err)
    }
    doc, err := office.LoadDocumentWith("test.doc", "en-US")
    if err != nil {
        t.Fatal(err)
    }
    defer func() {
        doc.Close()
        office.Close()
    }()
    doc.SaveAs("test.pdf", "pdf", "")
}