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Compress an Image to 100KB
Enter 100 in the target size field to ask the browser compressor to make a JPEG close to that size. The result depends on the source image and its dimensions.
🔒 Selected files are processed in your browser. File contents are not sent to a ResizeTool upload endpoint.
Open the compress an image to 100kb toolThe tool opens on the main ResizeTool page. Choose a file there to begin.
How to compress an image to 100kb
- Check whether the recipient means KB (not pixels) and whether it sets a strict maximum.
- Choose the image and set the target to 100 KB.
- Download the result, then check the actual file size and readability. Leave a margin if the limit is strict.
Questions and answers
Will every image reach exactly 100KB?
No. The compressor searches JPEG quality settings and aims for the target; some images cannot reach it without excessive quality loss.
Will the image dimensions change?
No. The target-size control changes JPEG quality. Resize the image first only if the recipient allows different pixel dimensions.
Why leave a little room below the limit?
Upload systems can enforce a strict maximum, and rounded size displays may differ. Check the downloaded file rather than relying on the target entry alone.