Is 300KB noticeably compressed?

For most photos the change is hard to spot — 300KB retains a lot of detail, so it's a good choice when quality matters but you still need a smaller file.

Does it keep the same dimensions?

Yes, in almost all cases the pixel dimensions are unchanged; only quality is trimmed to hit 300KB. Very large images may be downscaled slightly.

Compress Image to 300KB

Compress an image to 300KB — a roomy limit that keeps photos looking sharp.

Target size

Drop an image here or click to choose

processed on your device — never uploaded

300KB is a generous target: enough room to keep a photo genuinely crisp while still cutting file size for uploads, email and web pages. The tool trims just enough to reach 300KB, so the result stays close to the original.

Compression runs locally in your browser — nothing is uploaded.

More sizes & options

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Frequently asked questions

Is 300KB noticeably compressed?: For most photos the change is hard to spot — 300KB retains a lot of detail, so it's a good choice when quality matters but you still need a smaller file.
Does it keep the same dimensions?: Yes, in almost all cases the pixel dimensions are unchanged; only quality is trimmed to hit 300KB. Very large images may be downscaled slightly.

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🔒 Your files never leave your device. This tool runs entirely in your browser — nothing is uploaded.