JPEG · mozjpeg · Offline

Compress JPEG
locally

JPEG is JPG — same format, same mozjpeg engine. Shrink JPEG photos at quality 40–95 without uploading them anywhere.

Download for Windows See JPG page →
JPEG / JPG · mozjpeg · Offline
57.8% avg saved92.4% peakNo upload local
JPEG vs JPG

JPEG and JPG are identical.

Different extension, same bytes. Compressy treats .jpg and .jpeg identically — pick either page, same tool.

57.8%
avg saved
92.4%
peak
No upload
local
One engine
for .jpg and .jpeg

Prefer /compress-jpg for canonical JPG intent — this page exists for JPEG searches.

Proof

JPEG savings

FileBeforeAfterSaved
!-tylewice-wiatrak.jpg3.3 MB1.9 MB−41.7% real
!MQ_DSF9592.jpg4.0 MB1.4 MB−64.2% real
'Camel'_in_Devrent.JPG3.3 MB1.1 MB−67.4% real
Engine

One engine

One engine — mozjpeg for both .jpg and .jpeg. No separate workflow.
Keep or convert — Keep as JPEG or transcode the batch to WebP/AVIF in one pass.
Offline — No upload. Your JPEGs never leave your disk.
Steps

Compress JPEG in three steps

01 01
Select

Choose a folder with .jpeg/.jpg. Filter by type.

02 02
Tune

Quality 40–95, engine, resize caps. Preview savings.

03 03
Done

Batch locally, backups to /backup.

Related

Related for JPEG

FAQ

JPEG — FAQ

Should I use /compress-jpg or /compress-jpeg?

Either — they do the same thing. We keep both URLs for search intent. Canonical is /compress-jpg.

Can I batch .jpg and .jpeg together?

Yes. Select a folder — both extensions are treated as JPEG and compressed with mozjpeg.

Will quality suffer?

You control it. Quality 85 default, preview per file.

JPEG · mozjpeg

Compress JPEG where it lives.

No upload, no account — your JPEGs stay on your PC.

Download for Windows Compress any image →
Offline · Windows