Image compressor
Reduce image size while checking output quality.
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Before you start
The original stays unchanged; inspect output quality.
Frequently asked questions
Does lower quality always produce a smaller file?
No. Existing compression and the output format can produce a larger file. Start at quality 80 and compare size and preview. Lossy quality settings do not apply to PNG.
Is my file or input sent to a server?
No. Processing stays in your current browser session.