Convert PDF files online
|#||Output File||Source File||Action|
1. Click "Choose Files" button to select multiple files on your computer. You can also click the dropdown button to choose online file from URL, Google Drive or Dropbox.
2. Choose target format. You can convert all kinds of documents and images to PDF file or convert PDF file to DOC, DOCX, XLS, XLSX, PPT, PPTX, XML, CSV, ODT, ODS, ODP, HTML, TXT, RTF, SWF, PNG, JPG, TIFF, BMP, PCX, PNM and PSD.
3. Click "Convert Now!" button to start conversion. The output files will be listed in the "Conversion Results" section. Click icon to show file QR code or save file to online storage services such as Google Drive or Dropbox.
Compare HEIF with PDF:
|Full name||High Efficiency Image File Format||Portable Document Format|
|MIME||image/heif||application/pdf, application/x-pdf, application/x-bzpdf, application/x-gzpdf|
|Developed by||Moving Picture Experts Group (MPEG)||Adobe Systems|
|Type of format||Image Container Format||Document format|
|Introduction||High Efficiency Image File Format (HEIF) is a file format for individual images and image sequences. It was developed by the Moving Picture Experts Group (MPEG) and is defined by MPEG-H Part 12. In June 2017, Apple announced support for HEIF in macOS High Sierra and iOS 11.||The Portable Document Format (PDF) is a file format used to present documents in a manner independent of application software, hardware, and operating systems. Each PDF file encapsulates a complete description of a fixed-layout flat document, including the text, fonts, graphics, and other information needed to display it.|
|Technical details||The HEIF specification also defines the means of storing High Efficiency Video Codec (HEVC)-encoded intra images and HEVC-encoded image sequences in which inter prediction is applied in a constrained manner.||The PDF combines three technologies: A subset of the PostScript page description programming language, for generating the layout and graphics. A font-embedding/replacement system to allow fonts to travel with the documents. A structured storage system to bundle these elements and any associated content into a single file, with data compression where appropriate.|
|Associated programs||iOS||Adobe Acrobat, Adobe InDesign, Adobe FrameMaker, Adobe Illustrator, Adobe Photoshop, Google Docs, LibreOffice, Microsoft Office, Foxit Reader, Ghostscript.|
|Wiki||HEIF on Wikipedia||PDF on Wikipedia|