Try DeftPDF online s . It functions similar to Adobe Acrobat editor and converters and can be done online as you needed. This tool is web-based so all tools will only need to be clicked on the browser. Tools that are included are PDF editing PDF converting PDF translation invoice generator OCR tools split reorder rotate merge annotate watermark grayscale and many more. One note that you should remember though you need to clear the cache on your browser so you can have better results. Hope this helps.