Windows · Native · Offline

Image compressor
for Windows

A native Windows compressor for JPG, PNG, WebP and AVIF. Batch a folder, tune quality, resize — all local, no upload. Free for Windows 10 and 11.

Download for Windows Pick your format →
Windows 10/11 · 64-bit · Offline
57.8% jpg→jpg avg84.5% png→webp avgx64 bits
Why native

Built for
your desktop

No browser tab, no upload gate. A window on your own machine that compresses folders in one pass with real quality control.

Smaller images. Same Windows workflow.

Designed to feel like a normal utility — not another upload site.

Native app — real window, drag-and-drop, right-click friendly
Batch folders — recurses subfolders, hundreds of files at once
Quality control — 75–85, balanced / fast / maximum

Preview — desktop savings

Keep format or transcode in one pass.

!-tylewice-wiatrak.jpg 3.3 MB → 1.9 MB−41.7%
!MQ_DSF9592.jpg → WebP 4.0 MB → 1.1 MB−73.5%

Quality 85 · Balanced · Keep format · 4 threads

Proof

Real desktop savings

57.8%
jpg→jpg avg

Peak 92.4% real

84.5%
png→webp avg

545 PNGs

71.8%
jpg→webp avg

456 JPGs

ConversionBeforeAfterSaved
JPG → JPG (quality 85)2.4 MB1.0 MB−58%
JPG → WebP2.4 MB700 KB−71%
PNG → WebP1.9 MB290 KB−84%
Best format

Pick your output format

Keep the original or export WebP/AVIF for the smallest files.

FormatSizeBest for
JPGBaselinePhotos, universal
WebP25–35% smaller than JPGWeb delivery
AVIF30–50% smaller than JPGSmallest files

Export WebP/AVIF for delivery, keep JPG for compatibility — all offline.

How it works

Three steps on Windows.

Drop, compress, save — no browser, no upload.

01
Open folder

Drop files or a folder.

02
Compress

Set quality, mode, output format.

03
Save

Write smaller files, keep or overwrite originals.

Related

More for Windows

FAQ

Windows compressor — FAQ

What Windows versions are supported?

Windows 10 and 11, 64-bit. No .NET or runtime install needed — it runs on the built-in WebView/CEF engine.

Is it really free?

Yes. Registered as Free on the desktop — no subscription, no trial watermark, no account.

Does it work offline?

Yes. Compresses fully offline — no upload, no account, no cloud.

Can I compress a whole folder?

Yes. Drop a folder — it recurses subfolders, keeps structure and writes results alongside.

Compress on Windows. Offline.

The native image compressor for Windows.

More for Windows.

Batch a folder, convert WebP, resize — all local.