Compress Image to Specific Size

Choose an image first

That tool works on one image at a time. Tap an image in the batch to pick which one to carry over.

Make an image smaller without making it look worse

Compression runs in your browser. The file never touches a server, so there is nothing to sign up for and nothing to delete afterwards.

or drop it anywhere on this page · or paste from clipboard

Common jobs

Add an image to begin

How it works

  1. 1Drop your image. Nothing uploads. Your browser does the work, even offline.
  2. 2Compare before you commit. Drag the handle across the image to see exactly what the compression cost you.
  3. 3Download, or keep editing. Resize or crop the same file without starting over.

Recent on this device

Files you compressed stay in this browser tab only. Nothing is saved anywhere.

More Tools

About this tool & FAQ

Compress Image to 100KB

Drop an image and get it under 100KB instantly. No upload — everything happens in your browser.

Many government portals, university admissions systems, job applications, and competitive exam boards cap photo uploads at 100KB, and a single modern phone photo can weigh several megabytes — dozens of times over that limit. This tool shrinks any JPG, PNG, or WebP image to fit under 100KB in one step, testing quality levels with a binary-search approach to find the highest one that still clears the target size. Everything runs on your own device, so nothing is uploaded to a server, and the process finishes instantly even for sensitive documents like passport photos or ID scans.

How it works

1. Add and review your image

Add one image however is easiest — tap to choose it from your phone or computer, drop it straight onto the box above, or paste it from your clipboard. The original is staged with its current size shown, but it is not compressed yet. Review the 100KB target, then press Apply when you are ready; nothing leaves your device during either step.

2. Compression happens instantly

The tool re-encodes your image using a binary-search routine: it tries a quality setting, checks the resulting file size, and narrows in until it finds the highest quality that still lands under 100KB. This beats a fixed compression level, which either wastes quality on simple images or misses the target on busy, detail-heavy photos. Because the whole search happens in your browser rather than on a remote server, there is no upload delay — a typical phone photo, even one straight out of a 12- or 48-megapixel camera, finishes in under a second.

3. Download and go

Check the before and after file sizes shown next to the preview, then hit Download to save the compressed image. At 100KB, expect a little softness in fine detail and slightly muted color banding on gradients, but text, signatures, and faces stay clear enough for form reviewers and automated scanners to read. If a form asks for a different size, change the target or quality percentage and press Apply again to create a fresh result.

Frequently asked questions

Will my photo lose quality at 100KB?
Some quality loss is unavoidable when shrinking a multi-megabyte photo to 100KB, but the tool finds the highest quality that fits the limit. For documents and forms the result is virtually always acceptable.
Is my image uploaded to a server?
No — compression runs entirely in your browser using your device's own processor. The image never leaves your computer or phone, which also makes the tool unusually fast.
What file types can I compress?
JPG, PNG, and WebP. A PNG is searched down toward 100KB through the same color-palette reduction as the other compress tools, keeping transparency intact and never leaving the PNG format. For a very large or highly detailed PNG, that search can't always land under 100KB without visibly wrecking the image — when that happens we ship the smallest safe result and tell you, rather than pretending it hit the target; resizing the image smaller first will usually get it under 100KB. WebP is still available from the Export menu beside Download if you want to trade format for extra savings.
Can I compress several images at once?
Use Bulk Image Compressor for a batch. Its target-size mode applies the same KB ceiling to every selected image and downloads the results together as a ZIP.