Compress JPEG Files Online
Select a JPEG file and pick your compression strength — done in seconds, entirely on your device.
FreePrivateNo installBrowser-based
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JPEG technical background
JPEG (Joint Photographic Experts Group) uses lossy DCT-based encoding. Each compression pass removes high-frequency detail that is hard for the human eye to perceive.
Camera manufacturers and imaging software default to JPEG because it balances quality and file size well for continuous-tone photographs.
Camera export and JPEG workflow
DSLR and mirrorless cameras often save files as .jpeg rather than .jpg. The files are identical but some workflows specifically search for the .jpeg extension.
Compressing camera JPEG exports before sharing preserves the full-resolution frame while dramatically cutting the file size for email, cloud storage, or web galleries.
Choosing the right preset for JPEG
Fast applies light compression for a quick result. Balanced is the default and works well for most photographs.
Max gives the smallest file but may introduce slight artifacts on images with fine detail or text overlays.
Frequently Asked Questions
What is the difference between JPEG and JPG?
They are the same format. JPEG is the original full name; JPG is the shortened extension from early Windows 3-character limits. This page targets users who search for the JPEG spelling.
Should I use this page or the Compress JPG page?
Both compress the exact same format. Use whichever you found first — the tool is identical.
Can I set a target file size for JPEG?
The current tool uses quality presets rather than an exact target size. For strict limits try the Under 500 KB or Under 1 MB tools.
Are my JPEG images stored anywhere?
No. Everything runs locally in your browser. Files are never sent to or stored on a remote server.