JPEG → WebP · Alias

JPEG to WebP
same as JPG

JPEG and JPG are the same file — different extension, same mozjpeg bytes. This page covers the JPEG spelling; the workflow is identical to JPG → WebP.

JPEG = JPG · WebP · Offline
70.9% jpg→webp avg57.8% jpg→jpg avgNo upload local

JPG and JPEG are the same format — this page and /jpg-to-webp/ cover the same workflow. Start there if you prefer the JPG spelling.

JPEG vs JPG

One format.
Two extensions.

No separate engine, no separate steps. Compressy treats .jpg and .jpeg as the same when converting to WebP.

Guide · JPEG

How JPEG → WebP works

Pick JPEGs, choose WebP output, pick quality 40–95 — same as JPG → WebP.

JPEG is just the four-letter extension for JPG. Select a folder — both .jpg and .jpeg are found as JPEG and converted to WebP with the same quality control. Keep EXIF or strip it, downscale or keep dimensions — all local. No upload, no account. If you landed here from a search for JPEG, you can follow the JPG → WebP workflow below — every step applies.

How it works

Three steps — same as JPG.

Identical to JPG → WebP.

01

Pick JPEGs

Drop a folder — .jpg and .jpeg together. Keep subfolders.

02

Choose WebP

Quality 75–85 for photos, alpha stays. Preview per file.

03

Convert

Batch locally on all threads. No cloud.

Proof

Same savings as JPG → WebP

Because the engine is the same, savings match JPG → WebP.

FileBeforeAfterSaved
!MQ_DSF9592.jpg → WebP4.0 MB1.1 MB−73.5% real
'Camel'_in_Devrent.JPG → WebP3.3 MB0.8 MB−76.0% real
'Camel'_in_Devrent.JPG → WebP3.3 MB0.8 MB−76.0% real

Numbers from JPG → WebP at quality 80 — JPEG behaves identically.

FAQ

JPEG to WebP — FAQ

Are JPG and JPEG different?

No. Same format — JPG is three letters, JPEG is four. Compressy treats both as JPEG and converts to WebP the same way. Use either page.

Can I batch .jpg and .jpeg together?

Yes. Drop a folder — both extensions are found and converted to WebP together, keeping subfolders.

Do I need to upload?

No. All JPEG → WebP is local. No upload, no account.

JPEG → WebP

Same as JPG. Your PC does the convert.

JPEG to WebP offline — identical to JPG → WebP.

Offline · No upload · Windows