JFIF to PDF

JFIF stands for JPEG File Interchange Format. It is not a separate image format but rather a standard defining the format for storing and exchanging images encoded with the JPEG compression algorithm. Essentially, almost all JPEG files you encounter (with .jpg or .jpeg extensions) are JFIF files. It was initially released in 1991 by C-Cube Microsystems.

JFIF specifies how JPEG compressed data, which is just a stream of bits, is put into a file format for common use. It defines things like color space (e.g., YCbCr), pixel aspect ratio, and other metadata necessary for displaying the image correctly. Since it's based on JPEG compression, JFIF uses lossy compression, making it suitable for photographic images where some data can be discarded without noticeable visual degradation.

How to Open a JFIF File:

• Windows: Use Microsoft Photos, Paint, IrfanView, or Photoshop.
• macOS: Open with Preview, Photoshop, or GIMP.
• Linux: Use GIMP, Eye of GNOME, or ImageMagick.
• Web: JFIF files open directly in most modern web browsers like Chrome, Firefox, and Edge.

File Extensions: .jpg, .jpeg, .jfif

Developed by: C-Cube Microsystems

Initial Release: 1991

Learn more at JFIF on Wikipedia.

PDF stands for Portable Document Format. Developed by Adobe Systems in 1993, it is primarily a document format designed to present documents, including text, images, and other fixed-layout elements, in a manner independent of application software, hardware, and operating systems.

While not an image format in itself, PDFs can embed various types of image data, including raster images (like JPEGs, PNGs, and TIFFs) and vector graphics (like SVGs). For embedded images, PDF supports both lossy (e.g., JPEG, JPEG 2000) and lossless (e.g., Flate/ZIP, LZW) compression, depending on the image type and settings. PDF files can also contain interactive elements, forms, and multimedia. Its strength lies in preserving document layout and making content viewable across different platforms.

How to Open a PDF File:

• Windows: Use Adobe Acrobat Reader, Microsoft Edge, Google Chrome, or other PDF viewers.
• macOS: Open with Preview, Adobe Acrobat Reader, or web browsers.
• Linux: Use Evince, Okular, or web browsers.
• Web: PDFs open directly in most modern web browsers.

File Extensions: .pdf

Developed by: Adobe Systems

Initial Release: June 1993

Learn more at PDF on Wikipedia.