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
JPEG = JPG same engine−27% saved at 85No 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.

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.

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

Proof

JPEG savings

FileBeforeAfterSaved
photo-01.jpeg4.1 MB3.0 MB−27%
photo-02.jpeg2.9 MB2.1 MB−28%
export.jpeg1.6 MB1.1 MB−31%
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