output format
GIF
Save ShareX captures as GIF — when to use this format, quality and file size comparison, and how to set it as your default output.
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JPEG Format in ShareX
JPEG is identical to JPG — both refer to the same image format created by the Joint Photographic Experts Group. The only difference is the file extension: .jpg vs .jpeg (historically Windows used 3-letter extensions).
Usage in ShareX
ShareX treats JPG and JPEG as the same format internally. When you select JPG as your output format, your screenshots will be saved with the .jpg extension by default.
Which Should You Use?
Both .jpg and .jpeg files are identical:
- Same compression — No quality difference between the two
- Same compatibility — All software handles both extensions
- Convention — .jpg is more common on Windows, .jpeg on macOS/Linux
See the JPG page for detailed information about format settings, quality options, and best practices.
Related Pages
Download Center
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Official References
Official project links
If you need the original docs, release files or project source code, go directly to the official ShareX resources.