Free · Browser-only · JPEG, PNG, WebP

Compress Image to 100 KB

Drop a photo, screenshot, or graphic and get a file under 100 KB. The compressor below is already set to a 100 KB target: it finds the highest quality that fits, shows the real encoded size, and keeps the image on your device the whole time.

Choose imagesStarts automatically · Up to 20 files · No upload
target 100 KB
input    photo.jpg · 3.4 MB
target   100 KB
result   under 100 KB · best quality that fits

Honest size reportingThe tool says if a target cannot be reached

Preset to 100 KB

Compress JPEG, PNG, or WebP images to 100 KB in your browser

Add up to 20 images by drag and drop, file picker, or paste. Processing starts as soon as the files are read. Keep the original format or switch to JPEG or WebP for smaller photos, then download each result or all of them as a ZIP.

Loading the image compressor…

Enable JavaScript to compress images locally. The guidance below explains what a 100 KB target means for quality and format.

When 100 KB is the right target

What a 100 KB image is good for

A 100 KB limit suits website hero and blog images, form uploads with a 100 KB cap, and job or visa portals. It is the most common upload limit on government, school, and job application forms. At this size a photograph usually needs smaller pixel dimensions as well as a lower quality setting, so the compressor reduces dimensions when quality alone cannot reach the target.

How the target search works. The compressor encodes the image at decreasing quality levels until the output is under 100 KB, keeping the highest quality that fits. If even the lowest quality is still too large, it scales the dimensions down and tries again, and it tells you when a target was not reached rather than silently returning a bigger file.

Need a different size?

Every target from 20 KB to 1 MB and a custom kilobyte value are available on the full compressor.

Open the image compressor ↗

Format choice

JPEG, WebP, or PNG at 100 KB

FormatReaches 100 KB byBest for
JPEGLowering quality, then dimensions if needed. No transparency.Photos that must open everywhere, including older systems.
WebPLowering quality; typically 25 to 35 percent smaller than JPEG at similar quality.Web pages and apps; keeps transparency.
PNGFewer pixels only, because PNG is lossless.Screenshots, logos, and graphics that need exact pixels or transparency.

Questions about 100 KB images

Compress to 100 KB FAQ

How do I compress an image to 100 KB?

Drop the image on this page: the compressor is preset to a 100 KB target and starts immediately. It searches for the highest quality that still fits under 100 KB, then shows the real encoded size so you can download the result or adjust the format.

Will compressing to 100 KB make my image blurry?

Usually not for typical web sizes. The compressor keeps the highest quality that fits, so a photo that already displays at 1,000 to 2,000 pixels wide normally reaches 100 KB with little visible change. Very large originals may also need smaller pixel dimensions.

Which format reaches 100 KB most easily: JPEG, PNG, or WebP?

WebP and JPEG compress photographs far more efficiently than PNG. PNG stays lossless, so it only gets smaller through fewer pixels or colours; choose it when you need transparency or crisp screenshots. The tool reports whether the 100 KB target was actually reached for each file.

Is my image uploaded to compress it?

No. Decoding, resizing, and re-encoding all happen in your browser tab with the browser's own image encoder. The file never leaves your device, and there is no account or file limit beyond the 25 MB per-file and 20-file batch caps.