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Image Compressor (JPG / WEBP / PNG)
Reduce image file size with adjustable quality — see before/after side by side.
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About Image Compressor (JPG / WEBP / PNG)
Compress JPG, PNG and WEBP images locally in your browser. Compare original vs. compressed side-by-side, tweak the quality, and download the smaller file. Nothing is uploaded.
Frequently asked questions
Is anything uploaded?
No. Compression uses the Canvas API in your browser.
Which format compresses best?
WEBP usually delivers the best size/quality trade-off. JPG is the most universally supported. PNG re-encoding helps mostly for screenshots with limited colors.
Why is the output sometimes larger than the input?
If the original is already heavily optimized (e.g. PNG with palette), Canvas re-encoding can produce a larger file. Try a different format or lower quality.
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