Compress JPG Online

JPEG stores a photo as thousands of small blocks, and the quality slider decides directly how coarsely each block is quantised — which is why the same photo can weigh 200 KB or 2 MB. This page runs that trade in the browser and hands back a separate file. Compress once at the setting you want: every extra JPEG save discards detail again, so three hurried passes hurt more than one deliberate one.

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Até 50 arquivos · 1024 MB por arquivo. As opções variam conforme o formato.

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Perguntas frequentes sobre compressão de Image

How much smaller can a JPEG get before it looks bad?

Around the middle of the quality range most photos still look right at normal viewing distance; below that the slide into obvious blocks is steep. Step down until artefacts appear, then back off one notch.

Does re-compressing a JPEG twice hurt it?

Yes. JPEG loses data at every save, so each pass throws away detail again. Compress from your largest original in a single pass instead of shrinking the same file over and over.

Will my original file be changed?

The result is downloaded as a separate file. Keep your original until you have checked the Compressed JPEG.

What should I check before using the result?

Open the Compressed JPEG in the application that consumes it and spot-check the parts that matter to you; the original file stays untouched if you need to re-run with different options.

Is Compress JPG Online free?

Yes. The compress JPG is free with no trial limit, subscription, or watermark on downloads. Use it for personal and commercial projects without creating an account.

Are my files safe when I compress online?

Many tools on FileCompress process files in your browser so data never leaves your device. When server processing is used, files travel over encrypted connections and are deleted after the job completes.