← Pencilbox
Image compressor
shrink images without uploading them
build 2026-07-07-v1
Drop images
here.
or
pick from your device
JPG · PNG · WebP · GIF · free · no upload · no signup · no size limit
Quality
80
Lower = smaller file, more compression artifacts
Output format
Keep original format
JPG (smallest for photos)
WebP (modern, small)
PNG (lossless)
PNG ignores the quality slider
Max width (px)
Leave empty to keep original dimensions
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