THE WEBSITE WORKBENCH

Website image optimizer

Lighter images. The right dimensions.

Free to use
No account needed
Files stay in your browser

Prepare your images

Choose images

JPEG, PNG, WebP or AVIF · Up to 12 files · 20 MB and 40 megapixels per file.

Resize presetOutput format Quality80%

Higher values favor quality over file size. Quality scales differ between formats; PNG is lossless.

Advanced settings Resize, crop, codec and file options

Resize and crop

Width (px)Height (px)

Resize behaviorAllow enlargement of small images

Off by default. Crop outputs may be smaller than the preset when the source is too small.

Crop position X50%Crop position Y50%

Crop positions apply to “Crop to fill”. X moves left to right; Y moves top to bottom.

Orientation and resampling

RotateFlip

Resampling qualityFlatten transparency for all formatsBackground color

JPEG always uses this background. Other formats preserve transparency unless flattening is enabled.

AVIF encodingEncoder speedChroma subsamplingSharper 4:2:0 chroma conversionLossless AVIF · ignores quality

These options apply only to AVIF. The local encoder loads on first AVIF export. AVIF output is limited to 12 megapixels per image.

Export optionsBest-effort target size (KB)

0 = off. Adjusts quality within the selected dimensions. Unmet targets are reported; PNG and lossless AVIF do not use this option.

Filename prefix (optional)

Re-encoding removes original EXIF metadata. Browser canvas can change color profiles. Animated inputs become a still frame.

Before and after No files processed yet

Ready for your next image.

Choose your files, format and preset. Open Advanced when you need more control. Compare the resized source with the encoded file before downloading.

From preview to your website.

Choose up to 12 JPEG, PNG, WebP or AVIF files, each under 20 MB.
Choose a format and quick resize preset. Open Advanced for crop position, orientation, target size and codec controls.
Process the images, compare the original and output sizes, and download individual files or a ZIP.

Know what you’re exporting.

JPEG always flattens transparency onto the selected background; other formats can preserve it. Target size is best effort and unavailable for PNG or lossless AVIF. Metadata is removed; color profiles can change. Animated images become still frames. AVIF loads a local encoder on demand and is limited to 12 megapixels per output.

No registration or subscription is needed. Uploaded images, initials and generated content stay in this browser tab.

Prepare your images

Ready for your next image.

From preview to your website.

Know what you’re exporting.

Your next ideacould start here.

Your next idea
could start here.